SpyTool.Win32.Ardamax_21be32f16e – Adaware

HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.FAkeAlert.105 (B) (Emsisoft), Gen:Variant.FAkeAlert.105 (AdAware), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR (Lavasoft MAS)Behaviour: Trojan, Worm, EmailWorm, SpyTool

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

Summary

MD5: 21be32f16e88f4096edbaf1f8b9f6297

SHA1: e407489f33ed029f6d45c74e70a124c64bca0e12

SHA256: 0a2e8705c14eeae85a8022e8c4c8f93dabf6af5d3d9adf30258c646a3995cfe0

SSDeep: 49152:5WN0d8DeaUoBIegB6wFELKVF dEuVszD9e:ddeeoBkBLE vkszD9

Size: 2316800 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: P i r i f o r m L t d .

Created at: 2014-04-26 20:01:00

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.

Dynamic Analysis

Payload

Behaviour	Description
EmailWorm	Worm can send e-mails.

Process activity

The SpyTool creates the following process(es):

mscorsvw.exe:1924
%original file name%.exe:228

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

WJU.exe:440

Mutexes

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

File activity

The process %original file name%.exe:228 makes changes in the file system.

The SpyTool creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\LHGKHX\WJU.00 (2 bytes)
%Documents and Settings%\All Users\Application Data\LHGKHX\WJU.01 (82 bytes)
%Documents and Settings%\All Users\Application Data\LHGKHX\WJU.02 (56 bytes)
%Documents and Settings%\All Users\Application Data\LHGKHX\WJU.exe (15801 bytes)

Registry activity

The process mscorsvw.exe:1924 makes changes in the system registry.

The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\.NETFramework\v2.0.50727\NGenService\State]
"AccumulatedWaitIdleTime" = "2280000"

The process %original file name%.exe:228 makes changes in the system registry.

The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "68 D0 7E 30 8E B5 38 5B 98 DD 07 A1 78 28 C5 95"

[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\ShellNoRoam\MUICache\%Documents and Settings%\All Users\Application Data\LHGKHX]
"WJU.exe" = "WJU"

[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\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 the proxy to the Intranet Zone:

"ProxyBypass" = "1"

The process WJU.exe:440 makes changes in the system registry.

The SpyTool creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "DB 16 E6 C4 D9 1F DD F9 E7 33 12 4A 78 4C 6A 74"

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

Dropped PE files

MD5	File path
36838cdc040388044dadfe0dea115dba	c:\Documents and Settings\All Users\Application Data\LHGKHX\WJU.01
c881a801a88878b577af9d890cc767cb	c:\Documents and Settings\All Users\Application Data\LHGKHX\WJU.02
5903f79dd41339053b2f5294954b8d5a	c:\Documents and Settings\All Users\Application Data\LHGKHX\WJU.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Static Analysis

VersionInfo

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	40804	40960	4.779	10c56889abe61116016c83e9e31ce850
.rdata	45056	9182	9216	3.85319	8e1628ea25da59d781ee4370dd908e8a
.data	57344	8032	3584	1.58992	8f83bbd22817a195306cd7bc472b9f37
.rsrc	65536	2256560	2256896	5.30832	14beff51f454b01448ceba15e6ac3074
.reloc	2322432	4756	5120	2.51574	064804f10237cbed1fd6716b2a5a1e1a

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

The SpyTool connects to the servers at the folowing location(s):

Strings from Dumps

WJU.exe_440:

.text

`.rdata

@.data

.rsrc

udPh

Sh,%S

PSSSSSSh

PSSSSSSh!

@0,%S

vSSSh

FTPjK

FtPj;

C.PjRV

tGHt.Ht&

.EKSWU

FTPG

FTPj

FtPS

=KNILw.tT=RCNEw

_0 _8 _4;_,

SHA1 block transform for x86, CRYPTOGAMS by <appro></appro>

SHA256 block transform for x86, CRYPTOGAMS by <appro></appro>

DlSHA512 block transform for x86, CRYPTOGAMS by <appro></appro>

Montgomery Multiplication for x86, CRYPTOGAMS by <appro></appro>

6-9'6-9'

$6.:$6.:

*?#1*?#1

>8$4,8$4,

AES for x86, CRYPTOGAMS by <appro></appro>

Camellia for x86 by <appro></appro>

RC4 for x86, CRYPTOGAMS by <appro></appro>

FRegDeleteKeyExW

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