SpyTool.Win32.Ardamax_25d6db5c77

by malwarelabrobot on January 23rd, 2014 in Malware Descriptions.

Gen:Variant.FAkeAlert.105 (BitDefender), MonitoringTool:Win32/Ardamax (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Ardamax.nbq (v) (VIPRE), Trojan.KeyLogger.20387 (DrWeb), Gen:Variant.FAkeAlert.105 (B) (Emsisoft), Keylog-FAQ!25D6DB5C7727 (McAfee), Win32.SuspectCrc (Ikarus), Gen:Variant.FAkeAlert.105 (FSecure), Ardamax.BZV (AVG), Win32:Malware-gen (Avast), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR (Lavasoft MAS)
Behaviour: Trojan, Worm, EmailWorm, Monitor, 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: 25d6db5c7727397347191f7785061a86
SHA1: 3711ba55cb3e1ce4c0f965935465b9fc430980f9
SHA256: e040df27b3b4931134eeacfc0f876d7dea9b6eaed83be0b7cd699744398b82e5
SSDeep: 49152:wMyQld6xGizSXsWbEifocGki9tRs2U/1F:wX06xlzSXsWbEsoddI
Size: 2057216 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: WinterSoft
Created at: 2013-12-01 18:31:17
Analyzed on: WindowsXP SP3 32-bit


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):

%original file name%.exe:1724

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

IUC.exe:1900

File activity

The process %original file name%.exe:1724 makes changes in the file system.
The SpyTool creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\IFKCNR\IUC.00 (2 bytes)
%Documents and Settings%\All Users\Application Data\IFKCNR\IUC.01 (81 bytes)
%Documents and Settings%\All Users\Application Data\IFKCNR\IUC.02 (56 bytes)
%Documents and Settings%\All Users\Application Data\IFKCNR\IUC.exe (15021 bytes)

Registry activity

The process IUC.exe:1900 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F0 89 C3 5C D8 3A 3C 1E FB 31 A5 77 CC 00 BC 49"

[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\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[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"

"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]
"IUC Start" = "%Documents and Settings%\All Users\Application Data\IFKCNR\IUC.exe"

The process %original file name%.exe:1724 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8A 6C D4 C4 D0 1D 0B 2F C0 AD 50 B6 8E 59 49 B8"

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

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

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

[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"

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

[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\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[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:

"UNCAsIntranet" = "1"

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

"ProxyBypass" = "1"

Network activity (URLs)

No activity has been detected.

HOSTS file anomalies

No changes have 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):

    %original file name%.exe:1724

  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\IFKCNR\IUC.00 (2 bytes)
    %Documents and Settings%\All Users\Application Data\IFKCNR\IUC.01 (81 bytes)
    %Documents and Settings%\All Users\Application Data\IFKCNR\IUC.02 (56 bytes)
    %Documents and Settings%\All Users\Application Data\IFKCNR\IUC.exe (15021 bytes)

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

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

  5. Reboot the computer.

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