MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Worm.Ramnit


Vendor detections: 13


Intelligence 13 IOCs YARA 20 File information Comments
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SHA256 hash: 159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed
SHA3-384 hash: 49f42c163e8a7b7da4170151e40564ad40a96522aaa06bfa0fadda44483233aadb173f0248cc1ff66646c06e838894bf
SHA1 hash: 21d6b1b128f29b449769f73ad30144da25429a8b
MD5 hash: 84437f486f1e217d9632eb422501fe71
humanhash: may-oregon-louisiana-bluebird
File name:Lisect_AVT_24003_G1A_5.exe
Download: download sample
Signature Worm.Ramnit
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File size:11'476'992 bytes
First seen:2024-07-25 01:58:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4328f7206db519cd4e82283211d98e83 (533 x RedLineStealer, 18 x Arechclient2, 15 x DCRat)
ssdeep 196608:K1ZYTxxaKXrPz9H2P/+BluqDpjiK299pl8sj864GjID4C8:DsKXnVDRQKshr864GjID4C8
TLSH T192C6BEA1B74AE6DFC19B45B2E062CC03D6B897E68321A703EC98B47DDD13F8115C2B59
TrID 33.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
24.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
18.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter Anonymous
Tags:exe Worm.Ramnit


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
318
Origin country :
CN CN
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

Win.Malware.Wapomi-10020301-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Changing an executable file
Creating a window
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Searching for analyzing tools
Searching for the window
Modifying an executable file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Query of malicious DNS domain
Infecting executable files
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm crypto expand explorer infostealer keylogger lolbin packed packed remote stealer stealer themidawinlicense
Link:
https://www.filescan.io/uploads/66a1b16c4c5c17942a7d41f6/reports/f374e248-7584-464f-a905-eeef1571ebc9/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Quasar, Bdaejec
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1481137
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Infects executable files (exe, dll, sys, html)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
Query firmware table information (likely to detect VMs)
Sigma detected: Quasar
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Bdaejec
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1481137 Sample: Lisect_AVT_24003_G1A_5.exe Startdate: 25/07/2024 Architecture: WINDOWS Score: 100 44 ddos.dnsnb8.net 2->44 64 Multi AV Scanner detection for domain / URL 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 15 other signatures 2->70 9 Lisect_AVT_24003_G1A_5.exe 6 2->9         started        13 Client.exe 3 2->13         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 9->38 dropped 40 C:\Users\user\AppData\Local\Temp\LzKiBK.exe, PE32 9->40 dropped 42 C:\Users\...\Lisect_AVT_24003_G1A_5.exe.log, ASCII 9->42 dropped 72 Detected unpacking (changes PE section rights) 9->72 74 Query firmware table information (likely to detect VMs) 9->74 76 Uses schtasks.exe or at.exe to add and modify task schedules 9->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->78 15 Client.exe 8 9->15         started        19 LzKiBK.exe 13 9->19         started        22 schtasks.exe 1 9->22         started        80 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->80 82 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->82 signatures6 process7 dnsIp8 46 127.0.0.1 unknown unknown 15->46 50 Antivirus detection for dropped file 15->50 52 Multi AV Scanner detection for dropped file 15->52 54 Query firmware table information (likely to detect VMs) 15->54 62 5 other signatures 15->62 24 schtasks.exe 15->24         started        48 ddos.dnsnb8.net 44.221.84.105, 49730, 799 AMAZON-AESUS United States 19->48 32 C:\Program Files\7-Zip\Uninstall.exe, PE32 19->32 dropped 34 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 19->34 dropped 36 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 19->36 dropped 56 Detected unpacking (changes PE section rights) 19->56 58 Machine Learning detection for dropped file 19->58 60 Infects executable files (exe, dll, sys, html) 19->60 26 WerFault.exe 21 16 19->26         started        28 conhost.exe 22->28         started        file9 signatures10 process11 process12 30 conhost.exe 24->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed/
Threat name:
Win32.Virus.Jadtre
Create hunting rule
Status:
Malicious
First seen:
2024-07-25 01:59:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwpwk754y3uyikjtsw3mfevvppg3n264ttk73bkriurgbkmsthwq._file
Verdict:
malicious
Result
Malware family:
quasar
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Score:
  10/10
Tags:
family:quasar botnet:office04 aspackv2 discovery evasion spyware themida trojan
Link:
https://tria.ge/reports/240725-ceerns1gqj/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Checks whether UAC is enabled
ASPack v2.12-2.42
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
127.0.0.1:4782
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/418925e7-13bd-4ad5-8de5-aa259b79de1b
Unpacked files
SH256 hash:
dcb842f5e0da9d486cad34d4b809dcaadf9ec4d6991fdb22bdc9aea66489ad1a
MD5 hash:
c02a029c978f13b753c6b578b1588c75
SHA1 hash:
e125d59451e7f467bfd329a00a506decbcd91d83
Link:
https://www.unpac.me/results/eca25416-83b6-4fbe-8461-9ac37050f1ff/
SH256 hash:
159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed
MD5 hash:
84437f486f1e217d9632eb422501fe71
SHA1 hash:
21d6b1b128f29b449769f73ad30144da25429a8b
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasarrat_j2
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
Link:
https://www.unpac.me/results/eca25416-83b6-4fbe-8461-9ac37050f1ff/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Diff_QuasarRAT_01
Create hunting rule
Author:schmidtsz
Description:Identify QuasarRAT samples
Rule name:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_803feff4
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Worm.Ramnit

Executable exe 159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments