Dropped.Generic.Malware.Sdld.C425D330_cd4a79c21c – 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: cd4a79c21c3fdf47a5f5c9ee8e74bcfc

SHA1: b291d7a02067c7fe03b76eb517a757a47498bd2b

SHA256: 652f6b65eb7499eebbe68231065e0d3e8e6e5fcbd0ea3d6bdcf1f1a6d407e0fc

SSDeep: 24576:/gFkg R9SDI5xJyTzgLqZQg2v58fdCUO/A5d7okvyhZHfsQgGU6iYkf:IKgI9SGJGcLmE8f0UO/W7vyhZHfsV6iN

Size: 1306032 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:1916

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:1916 makes changes in the file system.

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

C:\Windows\win32dc\Quake3 nocd.exe (13795 bytes)
C:\Windows\win32dc\DAoC(cdfix).exe (7971 bytes)
C:\Windows\win32dc\Quake3_cdfix.exe (7971 bytes)
C:\Windows\win32dc\BattleField 1942(patch).exe (8583 bytes)
C:\Windows\win32dc\DAoC cdfix.exe (24843 bytes)
C:\Windows\win32dc\Counter-Strike(serial).exe (13795 bytes)
C:\Windows\win32dc\DAoC_cdfix.exe (13795 bytes)
C:\Windows\win32dc\BattleField 1942 serial.exe (11338 bytes)
C:\Windows\win32dc\Half-Life 2 codes.exe (18734 bytes)

Registry activity

Dropped PE files

MD5	File path
ce05cb7bd2beedf737c7ff48e97f61f3	c:\Windows\win32dc\BattleField 1942 serial.exe
3d60360057dc1354823853b0ce35acb4	c:\Windows\win32dc\BattleField 1942(patch).exe
32aaad1dd69e006cc42322ef06748df5	c:\Windows\win32dc\Counter-Strike(serial).exe
ea6b9987c77d3d342728576dd77a9db2	c:\Windows\win32dc\DAoC cdfix.exe
f3df7746f3dc15cc6da11c70d2bc937b	c:\Windows\win32dc\DAoC_cdfix.exe
a731371345905e1ee17215bda8838617	c:\Windows\win32dc\Half-Life 2 codes.exe
6bf933d1b091926361fe2c88a4112654	c:\Windows\win32dc\Quake3 nocd.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:1916
Delete the original Dropped file.
Delete or disinfect the following files created/modified by the Dropped:
C:\Windows\win32dc\Quake3 nocd.exe (13795 bytes)
C:\Windows\win32dc\DAoC(cdfix).exe (7971 bytes)
C:\Windows\win32dc\Quake3_cdfix.exe (7971 bytes)
C:\Windows\win32dc\BattleField 1942(patch).exe (8583 bytes)
C:\Windows\win32dc\DAoC cdfix.exe (24843 bytes)
C:\Windows\win32dc\Counter-Strike(serial).exe (13795 bytes)
C:\Windows\win32dc\DAoC_cdfix.exe (13795 bytes)
C:\Windows\win32dc\BattleField 1942 serial.exe (11338 bytes)
C:\Windows\win32dc\Half-Life 2 codes.exe (18734 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: 1533
ef2d2eb0996329df1775d6f51f5b214a
a9e14804d12437c86fffb947dc8934c6
a92c782c8cd0e74fc448217f3a2d0f88
aa29865a7a5ab06594e8eeda2d96c656
a8889e5abb1e9319d1b1bfaa5e6ba737
a6ff4fb6cbff7d7e4721ea2e9f65990f
a5088b2a35063ea7d0efd8c630660cf6
a4a1c6e5b98d35556dd91defed3e8453
a3b794fbcba90520b1c680b039b2606e
a3af7ff63f458c86f28522d5ec47312d
a368bbced141b7e07714011c3a65efe2
a291e15e96b7b5297df1c26406e738ef
a0fb55f0abefa778b278836aafcff62f
a0f5d3be5f6071f13e462eea1dd5b96b
a06019c42444274e843800451d6d7c33
a004798d5e45ff1f440469607fa3b0e8
9fe7d29faa30f9f73ade752a19653d9c
9fb9f59a288c37807445a3aa26f54378
9f290bae77987f4ddfa81ad3d3fdb60f
9e8de8de5dd4e9d436d6c9d2fe66b733
9deb42629994c4015fdbd316791c18cc
9de512c8216acb8683ab7807af1d0fbf
9cfdbed905228fbb812ffa6cef13b986
9cc62848e63bbf2a32edced6ef2d0c8f
9b3b5c9ac29226fac3c222544fa86eac
9a8291fba75ccbf101e7baf3e330fd0e

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_1916:

.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