SpyTool.Win32.Ardamax_dd048123a3

by malwarelabrobot on January 13th, 2014 in Malware Descriptions.

MonitoringTool:Win32/Ardamax (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Ardamax.nbq (v) (VIPRE), Trojan.KeyLogger.18045 (DrWeb), Gen:Variant.FAkeAlert.105 (B) (Emsisoft), WS.Reputation.1 (Symantec), Trojan-Spy.Win32.Ardamax (Ikarus), Gen:Variant.FAkeAlert.105 (FSecure), Ardamax.BVZ (AVG), Win32:Ardamax-QS [PUP] (Avast), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR (Lavasoft MAS)
Behaviour: Trojan-Spy, Trojan, Worm, EmailWorm, Monitor, PUP, 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: dd048123a34f6ec5c5767b7f4b0daef5
SHA1: 2129a69405600e6813000aa79fc0fe4c9c37cf17
SHA256: cc1737bcce35ed7d96ed550890941d7af9e05935bef0a9bbc997182ecc268a42
SSDeep: 49152: HNpdQ5z38eFprtlgUZv90YwV6uzwysFdc:KT 38eFpJuUkPIkwysFdc
Size: 2067456 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-05-14 11:49:36
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:2040

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

NDO.exe:312

File activity

The process %original file name%.exe:2040 makes changes in the file system.
The SpyTool creates and/or writes to the following file(s):

%System%\KQNUCX\NDO.01 (82 bytes)
%System%\KQNUCX\NDO.02 (57 bytes)
%System%\KQNUCX\NDO.00 (2 bytes)
%System%\KQNUCX\NDO.exe (15021 bytes)

Registry activity

The process %original file name%.exe:2040 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4E 5A 3F 59 E0 91 AF FD 32 B8 40 84 60 13 9C FB"

[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"

[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\ShellNoRoam\MUICache\%System%\KQNUCX]
"NDO.exe" = "NDO"

[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"

The process NDO.exe:312 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4A 90 C2 84 83 78 79 E8 05 E5 9A FA B3 B5 33 D4"

[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\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"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]
"NDO Start" = "%System%\KQNUCX\NDO.exe"

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:2040

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

    %System%\KQNUCX\NDO.01 (82 bytes)
    %System%\KQNUCX\NDO.02 (57 bytes)
    %System%\KQNUCX\NDO.00 (2 bytes)
    %System%\KQNUCX\NDO.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]
    "NDO Start" = "%System%\KQNUCX\NDO.exe"

  5. Reboot the computer.

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