SpyTool.Win32.Ardamax_7c08c72727 – 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: 7c08c72727d1ea29e12ff1458f2640a0

SHA1: 8ca383b86976b5702468c8384f2c4904d073f058

SHA256: cf03972aa1bb762fc9394d5fa46f728db9be081014b1f0b0e51f372b7a1e118f

SSDeep: 49152:WVA/knbTSiOPiuF63OsfDAkI8gA8JGpN8GRrOoTf6:WK/knbmi ij3ZbAkI8gA8J4/v

Size: 2117120 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 2014-03-16 03:35:11

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):

%original file name%.exe:1496

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

IMW.exe:1652

File activity

The process %original file name%.exe:1496 makes changes in the file system.

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

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

Registry activity

The process IMW.exe:1652 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F6 40 27 63 89 97 B1 B4 25 1B 40 F9 3B 99 40 56"

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

The process %original file name%.exe:1496 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D7 61 00 E1 0D 0A 52 CB 81 DF 6B 3F B2 9E 37 F4"

[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\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\BJAFVO]
"IMW.exe" = "IMW"

[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"

"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"

Dropped PE files

MD5	File path
5629c49ab87098c2e3c91c895d3912d9	c:\Documents and Settings\All Users\Application Data\BJAFVO\IMW.01
cc19a5e12d9e6fae5fb868c767e78af6	c:\Documents and Settings\All Users\Application Data\BJAFVO\IMW.02
7cbf881ec5a742a9a4edeacf8ad26df8	c:\Documents and Settings\All Users\Application Data\BJAFVO\IMW.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	40820	40960	4.78104	d0409b8600e18c8741ecde3511762e84
.rdata	45056	9182	9216	3.85266	9dd5dee98e845b89e1c658d5be9a37b7
.data	57344	8032	3584	1.58866	c5201588891eef4e2562e593674d6f74
.rsrc	65536	2056720	2057216	5.32681	e8a9c8623763506e77e9513f732c8884
.reloc	2125824	4756	5120	2.51132	9f8eca79f27744a04f40244c598274d9

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

Strings from Dumps

IMW.exe_1652:

.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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