MD5: 00c92330a6a1a69dd0fe39f8e672daf0
SHA1: 7f574229197af67ae19f8b21ec9f0852202eeec7
SHA256: 512f6aee0169e212329e57693eee3e8b2f37035c0088ef1b8bfe12c7b6ee6de1
SSDeep: 384:F9f87bReiJacWOId2e2k2QNYtC6z /w5m2nXApwBQy7kQ81IHv:FoRdw3OId2e2k2w6zn5m2nKSQwk7k
Size: 27136 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: CodecPerformer
Created at: 2010-12-29 09:37:00
Analyzed on: WindowsXPESX SP3 32-bit

Summary:

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

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

regedit.exe:596
%original file name%.exe:1660

The Trojan injects its code into the following process(es):

svchost.exe:1068

Mutexes

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

File activity

The process %original file name%.exe:1660 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\%original file name%.exe.tmp1 (1257 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Crypto\RSA\S-1-5-21-1844237615-1960408961-1801674531-1003\c5b88721db08c824db69d0bbc702beb8_75ed9567-aa58-4c8e-a8ea-3cad7c47ab03 (44 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\[email protected] (48 bytes)

Registry activity

The process regedit.exe:596 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "31 B4 FC 7D 2E 89 E9 5F 8A 41 6E 09 40 9F F8 4B"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"dmadmin" = "%Documents and Settings%\%current user%\Local Settings\dmadmin.exe"

The process %original file name%.exe:1660 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8F 1A 2A 68 C7 65 BA 33 6E 8E 1C 6E 29 32 AA 40"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name: Adobe Systems, Inc.
Product Name: Flash? Player Installer/Uninstaller
Product Version: 10,1,53,64
Legal Copyright: Copyright ? 1996-2010 Adobe, Inc.
Legal Trademarks: Adobe? Flash? Player
Original Filename: FlashUtil.exe
Internal Name: Adobe? Flash? Player Installer/Uninstaller 10.1
File Version: 10,1,53,64
File Description: Adobe? Flash? Player Installer/Uninstaller 10.1 r53
Comments:
Language: Language Neutral

PE Sections

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):

.text

`.rdata

@.data

SSh@C@

MFC42.DLL

MSVCRT.dll

_acmdln

WinExec

KERNEL32.dll

USER32.dll

ADVAPI32.dll

HttpQueryInfoA

InternetOpenUrlA

HttpSendRequestA

HttpOpenRequestA

WININET.dll

WS2_32.dll

iphlpapi.dll

SHLWAPI.dll

VVV.gov.toh.info

200.115.173.102

regedit.exe /s

~dfds3.reg

Windows Registry Editor Version 5.00

"%s"="%s"

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

WinHttp

%s.tmp1

[email protected]

hXXp://%s:%d/%s.php?id=d%s&ext=%s

/%s.php?id=d%s&ext=%s

hXXp://%s:%d/%s.php?id=d%s

%c%c%c%c%c

/%s.php?id=d%s

%%temp%%\%u

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)

Content-Type: application/x-www-form-urlencoded

HTTP/1.1

X-X-X-X-X-X

01-01-01-01-01-01

%c%c%c%c%c%c.exe

svchost.exe_1068_rwx_00400000_00005000:

.text

`.rdata

@.data

SSh@C@

MFC42.DLL

MSVCRT.dll

_acmdln

WinExec

KERNEL32.dll

USER32.dll

ADVAPI32.dll

HttpQueryInfoA

InternetOpenUrlA

HttpSendRequestA

HttpOpenRequestA

WININET.dll

WS2_32.dll

iphlpapi.dll

SHLWAPI.dll

VVV.gov.toh.info

200.115.173.102

regedit.exe /s

~dfds3.reg

Windows Registry Editor Version 5.00

"%s"="%s"

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

WinHttp

%s.tmp1

[email protected]

hXXp://%s:%d/%s.php?id=d%s&ext=%s

/%s.php?id=d%s&ext=%s

hXXp://%s:%d/%s.php?id=d%s

%c%c%c%c%c

/%s.php?id=d%s

%%temp%%\%u

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)

Content-Type: application/x-www-form-urlencoded

HTTP/1.1

X-X-X-X-X-X

01-01-01-01-01-01

%c%c%c%c%c%c.exe

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):
   

   regedit.exe:596
   %original file name%.exe:1660
   

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

   C:\%original file name%.exe.tmp1 (1257 bytes)
   %Documents and Settings%\%current user%\Application Data\Microsoft\Crypto\RSA\S-1-5-21-1844237615-1960408961-1801674531-1003\c5b88721db08c824db69d0bbc702beb8_75ed9567-aa58-4c8e-a8ea-3cad7c47ab03 (44 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\[email protected] (48 bytes)

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

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "dmadmin" = "%Documents and Settings%\%current user%\Local Settings\dmadmin.exe"

5. Reboot the computer.
   

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