SpyTool.Win32.Ardamax_3ae565a932

by malwarelabrobot on October 10th, 2013 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Ardamax.nbq (v) (VIPRE), Trojan-Spy.Win32.Ardamax!IK (Emsisoft), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR (Lavasoft MAS)
Behaviour: Trojan-Spy, Trojan, Worm, EmailWorm, SpyTool


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

Summary
Technical Details
Removal Recommendations

MD5: 3ae565a932e62c3a7a4eea609832e240
SHA1: d2c0199175ad3fd11bc04215c36a47d673f74dac
SHA256: 5d00688dd33266ac6d7f6b5c8eba55575c1529cb1b352bf9fba2503ad29b62bf
SSDeep: 49152:wM/yw2xcAR0KlUH0SNyipGWL3Am0lttgzon:wI cUbG0SNyipGo3h0ltC
Size: 2083328 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-05-14 11:49:36


Summary:

SpyTool. A program used to apply passive protection methods to spyware, such as obfuscation, encryption or polymorphism. The original malicious program is usually encrypted/compressed and stored inside the wrapper.

Payload

Behaviour Description
EmailWorm Worm can send e-mails.


Process activity

The SpyTool creates the following process(es):

3ae565a932e62c3a7a4eea609832e240.exe:1796

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

OAH.exe:1880

File activity

The process 3ae565a932e62c3a7a4eea609832e240.exe:1796 makes changes in a file system.
The SpyTool creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\FFQDHB\OAH.01 (82 bytes)
%Documents and Settings%\All Users\Application Data\FFQDHB\OAH.00 (2 bytes)
%Documents and Settings%\All Users\Application Data\FFQDHB\OAH.exe (15021 bytes)
%Documents and Settings%\All Users\Application Data\FFQDHB\OAH.02 (57 bytes)

Registry activity

The process OAH.exe:1880 makes changes in a system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "46 96 01 C8 DE F6 DD FD 87 A4 75 3B 4F 21 10 F1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Programs" = "%Documents and Settings%\All Users\Start Menu\Programs"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{5c14c4f6-74da-11e2-81b0-000c29ec7fc5}]
"BaseClass" = "Drive"

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

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"OAH Start" = "%Documents and Settings%\All Users\Application Data\FFQDHB\OAH.exe"

The process 3ae565a932e62c3a7a4eea609832e240.exe:1796 makes changes in a system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8C EF FB 52 18 C5 18 15 85 93 7A 21 D9 95 A7 8D"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{5c14c4f6-74da-11e2-81b0-000c29ec7fc5}]
"BaseClass" = "Drive"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\All Users\Application Data\FFQDHB]
"OAH.exe" = "OAH"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

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

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

The SpyTool modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The SpyTool modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The SpyTool modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

Network activity (URLs)

No activity has been detected.

Rootkit activity

No anomalies have been detected.

Propagation


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):

    3ae565a932e62c3a7a4eea609832e240.exe:1796

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

    %Documents and Settings%\All Users\Application Data\FFQDHB\OAH.01 (82 bytes)
    %Documents and Settings%\All Users\Application Data\FFQDHB\OAH.00 (2 bytes)
    %Documents and Settings%\All Users\Application Data\FFQDHB\OAH.exe (15021 bytes)
    %Documents and Settings%\All Users\Application Data\FFQDHB\OAH.02 (57 bytes)

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

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "OAH Start" = "%Documents and Settings%\All Users\Application Data\FFQDHB\OAH.exe"

  5. Reboot the computer.

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