SpyTool.Win32.Ardamax_e9755923ac

by malwarelabrobot on September 2nd, 2013 in Malware Descriptions.

Trojan.Win32.Monder.nwpc (Kaspersky), Trojan.Win32.Gbot.aakv (v) (VIPRE), Trojan-Spy.Win32.Ardamax!IK (Emsisoft), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR, SpyToolArdamax.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: e9755923ac73307888115a454aa89937
SHA1: c12ab3b693ff42515979ca789d22aff1e742598c
SHA256: bd43bc354419d3613fcb973768f772111b4b4abc6c9ad01cb267919718c472aa
SSDeep: 49152:QE8hcTvludmeLMOqQ 8m8iAyftSdWIRqKJgWU5FtKVVl:9HTvludcAFMfcdt9dU5FtKV
Size: 1716736 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2012-09-10 14:01:12


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):

e9755923ac73307888115a454aa89937.exe:1316

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

CYF.exe:1568

File activity

The process e9755923ac73307888115a454aa89937.exe:1316 makes changes in a file system.
The SpyTool creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\HSMUNG\CYF.00 (1 bytes)
%Documents and Settings%\All Users\Application Data\HSMUNG\CYF.01 (80 bytes)
%Documents and Settings%\All Users\Application Data\HSMUNG\CYF.02 (56 bytes)
%Documents and Settings%\All Users\Application Data\HSMUNG\CYF.exe (15021 bytes)

The process CYF.exe:1568 makes changes in a file system.
The SpyTool creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\SUS\Screen_2013-09-01_23-53-20.jpg (107 bytes)
%Documents and Settings%\All Users\Application Data\SUS\CYF.005 (632 bytes)
%Documents and Settings%\All Users\Application Data\SUS\Screen_2013-09-01_23-53-20.html (739 bytes)

The SpyTool deletes the following file(s):

%Documents and Settings%\All Users\Application Data\SUS\Screen_2013-09-01_23-53-20.jpg (0 bytes)
%Documents and Settings%\All Users\Application Data\SUS\Screen_2013-09-01_23-53-20.html (0 bytes)

Registry activity

The process e9755923ac73307888115a454aa89937.exe:1316 makes changes in a system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "03 D0 45 A7 50 5C 8F A8 55 58 4D B3 E6 8D 71 3E"

[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"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"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\ShellNoRoam\MUICache\%Documents and Settings%\All Users\Application Data\HSMUNG]
"CYF.exe" = "CYF"

[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:

[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"

The process CYF.exe:1568 makes changes in a system registry.
The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4E FA 13 CF 59 03 E7 8B 6C 99 ED 4A 62 38 65 6B"

[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]
"CYF Start" = "%Documents and Settings%\All Users\Application Data\HSMUNG\CYF.exe"

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):

    e9755923ac73307888115a454aa89937.exe:1316

  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\HSMUNG\CYF.00 (1 bytes)
    %Documents and Settings%\All Users\Application Data\HSMUNG\CYF.01 (80 bytes)
    %Documents and Settings%\All Users\Application Data\HSMUNG\CYF.02 (56 bytes)
    %Documents and Settings%\All Users\Application Data\HSMUNG\CYF.exe (15021 bytes)
    %Documents and Settings%\All Users\Application Data\SUS\Screen_2013-09-01_23-53-20.jpg (107 bytes)
    %Documents and Settings%\All Users\Application Data\SUS\CYF.005 (632 bytes)
    %Documents and Settings%\All Users\Application Data\SUS\Screen_2013-09-01_23-53-20.html (739 bytes)

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

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

  5. Reboot the computer.

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