Trojan.Generic.1454285_a46900a94c

by malwarelabrobot on June 10th, 2014 in Malware Descriptions.

HEUR:Worm.Win32.Generic (Kaspersky), Trojan.Generic.1454285 (B) (Emsisoft), Trojan.Generic.1454285 (AdAware), GenericMSNWorm.YR, GenericIRCBot.YR (Lavasoft MAS)
Behaviour: Trojan, Worm, IRCBot, MSNWorm


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: a46900a94cb811ede6ece68a8b83e917
SHA1: b4c0adbe8b28593bbeaabe1d389644dd4658e47d
SHA256: c806162a60d3fd9ca57704af54630faadb7f4e03c0379f59dd04a5faeda3361e
SSDeep: 1536:OwqYbQ4FuLkOW6PrNNUishYWDt93Wsx4bQ:1bPqlWeNKhhYyt91xT
Size: 53760 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: BorlandDelphi30, UPolyXv05_v6
Company: no certificate found
Created at: 1992-06-20 01:22:17
Analyzed on: WindowsXP SP3 32-bit


Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

Behaviour Description
IRCBot A bot can communicate with command and control servers via IRC channel.
MSNWorm A worm can spread its copies through the MSN Messanger.


Process activity

The Trojan creates the following process(es):

%original file name%.exe:888
%original file name%.exe:2028
winup32.exe:1048
winup32.exe:1480

The Trojan injects its code into the following process(es):
No processes have been created.

File activity

The process %original file name%.exe:2028 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%WinDir%\winup32.exe (53 bytes)

Registry activity

The process %original file name%.exe:888 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3D 94 1E 45 72 D8 B6 CE 0D 50 8C D2 B7 A1 70 1F"

The process %original file name%.exe:2028 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "23 BA 5F BB 25 02 1B 64 E2 0C 3C 25 AB A4 B3 F6"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Windows UDPs Control Serveic" = "winup32.exe"

The process winup32.exe:1048 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "64 40 C6 59 6C 4E 03 3C 97 32 18 8E C2 4B 24 F3"

The process winup32.exe:1480 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F3 FB BB DB A8 E1 B5 CE 0F 22 FE 2E F4 0E FA 27"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

Dropped PE files

There are no dropped PE files.

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

A worm can spread its copies through the MSN Messanger.

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
CODE 4096 19268 19456 4.50307 cd8a91ccb52fce65288148955929f9e2
DATA 24576 264 512 1.80262 46ec47b8e8074d655442643a582c1efe
BSS 28672 2121 0 0 d41d8cd98f00b204e9800998ecf8427e
.idata 32768 1272 1536 2.67112 8aa4420564aec91d4759d1c1593839bd
.tls 36864 8 0 0 d41d8cd98f00b204e9800998ecf8427e
.rdata 40960 24 512 0.14174 d7a33da2bb61d9db13e52b1be8ea9917
.reloc 45056 1268 1536 4.11453 e0da3a3ed0f87084e584cb4663dcf630
.rsrc 49152 28852 29184 5.52058 5118f1e97ddf972603c45061ebc643fc

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

The Trojan connects to the servers at the folowing location(s):

winup32.exe_1480:

.text
`.rdata
@.data
t1SSSSh
r.upd4te
msn.msg
msn.stop
aim.msg
aim.stop
t.msg
t.stop
GetWindowsDirectoryA
KERNEL32.dll
VkKeyScanA
keybd_event
USER32.dll
MSVCRT.dll
_acmdln
RegCloseKey
RegCreateKeyExA
ADVAPI32.dll
ole32.dll
OLEAUT32.dll
%s Welcome.
%s Fail.
%s Spy: %s!%s@%s (PM: "%s")
%s Fail by: %s!%s@%s (Pass Tried: %s)
%s %s out.
%s <%i> out.
%s No user at: <%i>
%s Invalid slot: <%i>
%s Kill: <%d> threads
%s No threads
%s Killed thread: <%s>
%s Failed kt: <%s>
%s %s already running: <%d>.
%s Fail start %s, err: <%d>.
%s Status: %s. Box Uptime: %s, Bot Uptime: %s, Connected for: %s.
%s Bot installed on: %s.
Go fuck yourself %s.
MSN// Message & Zipfile sent to: %d contacts.
MSN// Message sent to: %d Contacts.
MSN// Sent Stats - Messages: %d :: Files: %d :: Message & Files: %d.
%s logged in.
Removed by: %s!%s@%s
%s Advapi.dll Failed
%s PStore.dll Failed.
%s Naim thd.
%s RuC.
%s mis param.
%s Failed to parse command.
%s Downloading URL: %s to: %s.
%s Downloading update from: %s to: %s.
%seraseme_%d%d%d%d%d.exe
%s Thread Disabled.
%s Thread Activated: Sending Message.
%s Bad URL or DNS Error, error: <%d>
%s Update failed: Error executing file: %s.
%s Process Finished: "%s", Total Running Time: %s.
%s Created process: "%s", PID: <%d>
%s Failed to create process: "%s", error: <%d>
%s Couldn't parse path, error: <%d>
%s File download: %.1fKB to: %s @ %.1fKB/sec.
%s Couldn't open file for writing: %s.
Ping Timeout? (%d-%d)%d/%d
USER %s * 0 :%s
NICK %s
PASS %s
QUIT %s
PONG %s
NICK
PRIVMSG
JOIN
PRIVMSG %s :%s
JOIN %s
JOIN %s %s
MODE %s %s %s
MODE %s %s
__oxFrame.class__
shlwapi.dll
psapi.dll
SQLDisconnect
SQLFreeHandle
SQLAllocHandle
SQLExecDirect
SQLSetEnvAttr
SQLDriverConnect
odbc32.dll
ShellExecuteA
shell32.dll
mpr.dll
GetUdpTable
GetTcpTable
iphlpapi.dll
dnsapi.dll
netapi32.dll
Mozilla/4.0 (compatible)
InternetCrackUrlA
InternetOpenUrlA
FtpPutFileA
FtpGetFileA
HttpSendRequestA
HttpOpenRequestA
wininet.dll
ws2_32.dll
RegEnumKeyExA
advapi32.dll
user32.dll
kernel32.dll
%s!%s@%s
winup32.exe
Windows UDPs Control Serveic
ic.wele.info
SOFTWARE\Microsoft\Windows\CurrentVersion\Run\
%s\%s
%s No %s thread found.
%s %s thread stopped. (%d thread(s) stopped.)
del "%s">nul
if exist "%s" goto Repeat
ping 0.0.0.0>nul
%s\removeMe%i%i%i%i.bat
192.168.1.129


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:888
    %original file name%.exe:2028
    winup32.exe:1048
    winup32.exe:1480

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %WinDir%\winup32.exe (53 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "Windows UDPs Control Serveic" = "winup32.exe"

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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