Dropped.Generic.Malware.Sdld.C425D330_6bbdeaae36

by malwarelabrobot on November 18th, 2016 in Malware Descriptions.

Trojan-Dropper.Win32.Sysn.cdcv (Kaspersky), Dropped:Generic.Malware.Sdld.C425D330 (B) (Emsisoft), Dropped:Generic.Malware.Sdld.C425D330 (AdAware), IRC-Worm.Win32.MyDoom.FD, GenericIRCBot.YR (Lavasoft MAS)
Behaviour: Trojan-Dropper, Trojan, Worm, IRC-Worm, IRCBot, Malware


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: 6bbdeaae367fd0b7abe1713dbb9d6539
SHA1: 9664217d037f0bc20d67af3d41bc1bc8ca2d7447
SHA256: d001c58b5d2467332812ed7528f017aa02cb386bfdf309b0e14599835a661fcc
SSDeep: 24576:/gFkg R9SDI5xJyTzgLqZQg2v58fdCUO/A5d7okvyhZHfsQgGU6iYkL:IKgI9SGJGcLmE8f0UO/W7vyhZHfsV6id
Size: 1292723 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 1992-06-20 01:22:17
Analyzed on: Windows7 SP1 32-bit


Summary:

Trojan-Dropper. Trojan program, intended for stealth installation of other malware into user's system.

Payload

Behaviour Description
IRCBot A bot can communicate with command and control servers via IRC channel.


Process activity

The Dropped creates the following process(es):

%original file name%.exe:2388

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

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process %original file name%.exe:2388 makes changes in the file system.
The Dropped creates and/or writes to the following file(s):

C:\Windows\win32dc\Counter-Strike patch.exe (7971 bytes)
C:\Windows\win32dc\Silent Hill 4 fix.exe (15901 bytes)
C:\Windows\win32dc\Sims 2_patch.exe (10897 bytes)
C:\Windows\win32dc\DAoC_cdfix.exe (8555 bytes)
C:\Windows\win32dc\Half-Life 2(cdfix).exe (15901 bytes)
C:\Windows\win32dc\Sims 2_serial.exe (7971 bytes)
C:\Windows\win32dc\Doom 3 hack.exe (7971 bytes)
C:\Windows\win32dc\FlatOut(trainer).exe (7971 bytes)
C:\Windows\win32dc\Sims 2 cdfix.exe (8555 bytes)
C:\Windows\win32dc\Sims 2 cheat.exe (10897 bytes)

Registry activity

Dropped PE files

MD5 File path
aa2be04f4b1a2e5e684dfd3485a39fbc c:\Windows\win32dc\DAoC_cdfix.exe
ac0e5467dbb0e7c5802f4dec7c5b722f c:\Windows\win32dc\Half-Life 2(cdfix).exe
88d93d4a0d67bd19890d6b6440ed3eec c:\Windows\win32dc\Silent Hill 4 fix.exe
f1c3f7a0b890be1511d0dbcad0e0aacb c:\Windows\win32dc\Sims 2 cdfix.exe
9ad465eafd785e941a8f4dac4c1c3815 c:\Windows\win32dc\Sims 2 cheat.exe
279183c128ebf39c982a7abb8257bf6c c:\Windows\win32dc\Sims 2_patch.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
CODE 4096 40592 40960 4.37354 4599c8e48266467f9472d9c0076da0aa
DATA 45056 416 512 2.59038 6723f313105be59e8f34015bac1ef0c6
BSS 49152 4493 0 0 d41d8cd98f00b204e9800998ecf8427e
.idata 57344 2332 2560 2.95832 1f3c6fef94d61a4d2beebca25d327785
.tls 61440 8 0 0 d41d8cd98f00b204e9800998ecf8427e
.rdata 65536 24 512 0.129329 bf98d008e3e41c32258f4ddad0423dfc
.reloc 69632 2396 2560 4.48773 c247e5d4f27055db8d87da84767714bb
.rsrc 73728 1536 1536 2.62048 b115dc78febf3048a6accb9f8efeb1de

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2158
ef2d2eb0996329df1775d6f51f5b214a
fe5effff156ab62ca963488c6b45f910
ff905598c62bef010586bc69a75304ce
fe054287566194de1b0f1221826f7929
fd9ce1ecbf172d679ed863a6f17512df
fd1ad212cbee93591274251a3a856f8e
fc2dacfad86d623c79b312cf89aeb09f
fc2a040f0a41ea1cbc3c0018fd7b61cf
fa97b2f6651c7e7aed45ac9cbf639521
fa7e0cf7a6c7b7c1fe73331da267f9e2
f6e5cb71d2029dbe4a9d0d47a7a93129
f9d75297710cc6d397afc19f9895e53d
f98230005a0768555a95cbe06c3fd441
f8e1a0edd5c4261de6d65ca31bf6ae8d
f8c7ee3be4eee79c0f4519d5cb028492
f86d2014c349bd8b68cc0fab74612d2e
f7ee13e579c0ed4c5f058cfd0c7f5d36
f7b5319ab86561dd9cc211faac94f2c3
f2909e540ba2073c72a83beddef961d4
f0113ab5b220f2fcea57a9b353b195a1
f1866c35153dd9086a0515c7a9b007e1
f0f8aa800bf06a5f16ad5a5804958571
f67673ded5bab89f0a9b1f058fe73627
f66fa8319b3d1aea26c6e2eb5e2811b2
f645f395aa206f427b85df5f2f3c82a8
f578934f5791b6f3fcdd49d4f97dab07

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

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

%original file name%.exe_2388:

.idata
.rdata
P.reloc
P.rsrc
PRIVMSG
JOIN
login
PRIVMSG
:File Executed
(netbios_invalidpass:
File(%cur%\
File(%sys%\
rndnick
NICK
join
%sys%\
%cur%\
%rnddir%\%rand%.exe
system.ini
explorer.exe
.com "win2k" :
DCPlusPlus.xml
dcplusplus.xml
%sys%
%cur%
\WINDOWS\Start Menu\Programs\Startup\
netapi32.dll
%rnddir%\%rand%.com
irc.lcirc.net
kernel32.dll
user32.dll
GetKeyboardType
advapi32.dll
RegOpenKeyExA
RegCloseKey
oleaut32.dll
GetWindowsDirectoryA
mpr.dll
wsock32.dll
shell32.dll
ShellExecuteA
wininet.dll
URLMON.DLL
URLDownloadToFileA
KWindows
&pWebServer


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:2388

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

    C:\Windows\win32dc\Counter-Strike patch.exe (7971 bytes)
    C:\Windows\win32dc\Silent Hill 4 fix.exe (15901 bytes)
    C:\Windows\win32dc\Sims 2_patch.exe (10897 bytes)
    C:\Windows\win32dc\DAoC_cdfix.exe (8555 bytes)
    C:\Windows\win32dc\Half-Life 2(cdfix).exe (15901 bytes)
    C:\Windows\win32dc\Sims 2_serial.exe (7971 bytes)
    C:\Windows\win32dc\Doom 3 hack.exe (7971 bytes)
    C:\Windows\win32dc\FlatOut(trainer).exe (7971 bytes)
    C:\Windows\win32dc\Sims 2 cdfix.exe (8555 bytes)
    C:\Windows\win32dc\Sims 2 cheat.exe (10897 bytes)

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

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