Dropped.Generic.Malware.Sdld.C425D330_a91c004958 – Adaware

Trojan-Dropper.Win32.Sysn.cdcv (Kaspersky), Dropped:Generic.Malware.Sdld.C425D330 (B) (Emsisoft), Dropped:Generic.Malware.Sdld.C425D330 (AdAware), IRC-Worm.Win32.MyDoom.FD, GenericIRCBot.YR (Lavasoft MAS)Behaviour: Trojan-Dropper, Trojan, Worm, IRC-Worm, IRCBot, Malware

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

Summary

MD5: a91c004958b0f5891c6ae9f226e0695d

SHA1: ea1877a124644fabe8f30e46bf0156c5a319fc01

SHA256: 9e8a532b90647cc40b0195ca95e7243f3f56578d36eb74944318abed93f4c2a4

SSDeep: 24576:/gFkg R9SDI5xJyyUACeB3gJxL9CC/XV/1dUQuZuWc/U1mJvCipERJtJ8:IKgI9SGJpU8BQPL9CeVMLZuB/PCtRTJ8

Size: 1164556 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 1992-06-20 01:22:17

Analyzed on: Windows7 SP1 32-bit

Summary: Trojan-Dropper. Trojan program, intended for stealth installation of other malware into user's system.

Dynamic Analysis

Payload

Behaviour	Description
IRCBot	A bot can communicate with command and control servers via IRC channel.

Process activity

The Dropped creates the following process(es):

%original file name%.exe:3604

The Dropped injects its code into the following process(es):No processes have been created.

Mutexes

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

File activity

The process %original file name%.exe:3604 makes changes in the file system.

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

C:\Windows\win32dc\Counter-Strike_nocd.exe (7875 bytes)
C:\Windows\win32dc\UT2004 crack.exe (7547 bytes)
C:\Windows\win32dc\UT2004(patch).exe (12017 bytes)
C:\Windows\win32dc\FlatOut cdfix.exe (7547 bytes)
C:\Windows\win32dc\Quake3_trainer.exe (12017 bytes)
C:\Windows\win32dc\Quake3 nocd.exe (12017 bytes)
C:\Windows\win32dc\FlatOut(trainer).exe (7547 bytes)
C:\Windows\win32dc\BattleField 1942 fix.exe (13359 bytes)
C:\Windows\win32dc\UT2004(codes).exe (13359 bytes)
C:\Windows\win32dc\Sims 2_fix.exe (10517 bytes)

Registry activity

Dropped PE files

MD5	File path
3527bbf9f5da5328ca0e348f534aaeb1	c:\Windows\win32dc\BattleField 1942 fix.exe
a724b99672445d46cae6dc00d9d47d47	c:\Windows\win32dc\Counter-Strike_nocd.exe
a0a8780a10c9e8b63afb60276e166dd4	c:\Windows\win32dc\Quake3 nocd.exe
725c8ce1b9c23979b6a77f618c67f41f	c:\Windows\win32dc\Quake3_trainer.exe
f707a01e33b83f1d1836957f42844a3f	c:\Windows\win32dc\Sims 2_fix.exe
9a31859a3ec8edd0cad275125d758d20	c:\Windows\win32dc\UT2004(codes).exe
21e2a027193d9ec8e05e0caf0bec2ec7	c:\Windows\win32dc\UT2004(patch).exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

Click (here) to download and install Ad-Aware Free Antivirus.
Update the definition files.
Run a full scan of your computer.

Manual removal*

Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:3604
Delete the original Dropped file.
Delete or disinfect the following files created/modified by the Dropped:
C:\Windows\win32dc\Counter-Strike_nocd.exe (7875 bytes)
C:\Windows\win32dc\UT2004 crack.exe (7547 bytes)
C:\Windows\win32dc\UT2004(patch).exe (12017 bytes)
C:\Windows\win32dc\FlatOut cdfix.exe (7547 bytes)
C:\Windows\win32dc\Quake3_trainer.exe (12017 bytes)
C:\Windows\win32dc\Quake3 nocd.exe (12017 bytes)
C:\Windows\win32dc\FlatOut(trainer).exe (7547 bytes)
C:\Windows\win32dc\BattleField 1942 fix.exe (13359 bytes)
C:\Windows\win32dc\UT2004(codes).exe (13359 bytes)
C:\Windows\win32dc\Sims 2_fix.exe (10517 bytes)

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

Static Analysis

VersionInfo

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
CODE	4096	40592	40960	4.37354	4599c8e48266467f9472d9c0076da0aa
DATA	45056	416	512	2.59038	6723f313105be59e8f34015bac1ef0c6
BSS	49152	4493	0	0	d41d8cd98f00b204e9800998ecf8427e
.idata	57344	2332	2560	2.95832	1f3c6fef94d61a4d2beebca25d327785
.tls	61440	8	0	0	d41d8cd98f00b204e9800998ecf8427e
.rdata	65536	24	512	0.129329	bf98d008e3e41c32258f4ddad0423dfc
.reloc	69632	2396	2560	4.48773	c247e5d4f27055db8d87da84767714bb
.rsrc	73728	1536	1536	2.62048	b115dc78febf3048a6accb9f8efeb1de

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2158
ef2d2eb0996329df1775d6f51f5b214a
fe5effff156ab62ca963488c6b45f910
ff905598c62bef010586bc69a75304ce
fe054287566194de1b0f1221826f7929
fd9ce1ecbf172d679ed863a6f17512df
fd1ad212cbee93591274251a3a856f8e
fc2dacfad86d623c79b312cf89aeb09f
fc2a040f0a41ea1cbc3c0018fd7b61cf
fa97b2f6651c7e7aed45ac9cbf639521
fa7e0cf7a6c7b7c1fe73331da267f9e2
f6e5cb71d2029dbe4a9d0d47a7a93129
f9d75297710cc6d397afc19f9895e53d
f98230005a0768555a95cbe06c3fd441
f8e1a0edd5c4261de6d65ca31bf6ae8d
f8c7ee3be4eee79c0f4519d5cb028492
f86d2014c349bd8b68cc0fab74612d2e
f7ee13e579c0ed4c5f058cfd0c7f5d36
f7b5319ab86561dd9cc211faac94f2c3
f2909e540ba2073c72a83beddef961d4
f0113ab5b220f2fcea57a9b353b195a1
f1866c35153dd9086a0515c7a9b007e1
f0f8aa800bf06a5f16ad5a5804958571
f67673ded5bab89f0a9b1f058fe73627
f66fa8319b3d1aea26c6e2eb5e2811b2
f645f395aa206f427b85df5f2f3c82a8
f578934f5791b6f3fcdd49d4f97dab07

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

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

Strings from Dumps

%original file name%.exe_3604:

.idata

.rdata

P.reloc

P.rsrc

PRIVMSG

JOIN

PRIVMSG

:File Executed

(netbios_invalidpass:

File(%cur%\

File(%sys%\

rndnick

NICK

join

%sys%\

%cur%\

%rnddir%\%rand%.exe

system.ini

explorer.exe

.com "win2k" :

DCPlusPlus.xml

dcplusplus.xml

%sys%

%cur%

\WINDOWS\Start Menu\Programs\Startup\

netapi32.dll

%rnddir%\%rand%.com

irc.lcirc.net

kernel32.dll

user32.dll

GetKeyboardType

advapi32.dll

RegOpenKeyExA

RegCloseKey

oleaut32.dll

GetWindowsDirectoryA

mpr.dll

wsock32.dll

shell32.dll

ShellExecuteA

wininet.dll

URLMON.DLL

URLDownloadToFileA

KWindows

&pWebServer