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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a4120c3f34c07f9cd538878bccb6a1a97d03fbdd0cc27f9b601babf4584d64. 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


Vjw0rm


Vendor detections: 7


Intelligence 7 IOCs 6 YARA 1 File information Comments
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SHA256 hash: a4a4120c3f34c07f9cd538878bccb6a1a97d03fbdd0cc27f9b601babf4584d64
SHA3-384 hash: e133706d95ad0ff9c8f47396d44a64cb4f4a964bc56b3eeece73f42e8dd8037aad328dd64ee490fe367c18b08e481e30
SHA1 hash: e59840a1c8938a43c5022302b8d5cf4b8c08b182
MD5 hash: c5665916e0d3425a8c4e74b25ff4face
humanhash: oxygen-oranges-equal-solar
File name:PO 4500158326 300038 00000000.js
Download: download sample
Signature Vjw0rm
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File size:270'983 bytes
First seen:2022-10-19 07:10:28 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:GjOL1yaLGGL5XsEnzJATLuCb955Z+zl8n7WplkWo2a3o:genVAvuCbgKyIRx4
TLSH T13A44E1348AD51F94DF081A0789F46E6D57747D8F64A22A8FB316BD88A7FB005413E2EC
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://whiteking.giize.com:4040/is-ready

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://whiteking.giize.com:4040/is-ready https://threatfox.abuse.ch/ioc/894963/
103.14.154.235:4040 https://threatfox.abuse.ch/ioc/894964/
http://whiteking.giize.com:4040/moz-sdk https://threatfox.abuse.ch/ioc/894972/
http://whiteking.giize.com:4040/give-me-chpv https://threatfox.abuse.ch/ioc/894973/
http://whiteking.giize.com:4040/give-me-ffpv https://threatfox.abuse.ch/ioc/894974/
http://whiteking.giize.com:4040/ie https://threatfox.abuse.ch/ioc/894975/

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.BackDoor.17.17629.8094.UNOFFICIAL
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SecuriteInfo.com.HEUR.Trojan-Dropper.Script.Generic.3998.10235.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
75%
Tags:
anti-vm evasive fingerprint obfuscated wscript.exe
Link:
https://www.filescan.io/uploads/634fa308898b0652a4b8edd0/reports/8bd6214b-f8a5-48c3-a983-39ef08d7e642/overview
Result
Threat name:
WSHRat, VjW0rm
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1093280
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Contains VNC / remote desktop functionality (version string found)
Detected WSHRat
Drops script or batch files to the startup folder
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
May check the online IP address of the machine
Potential malicious VBS/JS script found (suspicious encoded strings)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Register Wscript In Run Key
Sigma detected: VjW0rm
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Wscript called in batch mode (surpress errors)
Yara detected AntiVM3
Yara detected VjW0rm
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 725902 Sample: PO 4500158326 300038 00000000.js Startdate: 19/10/2022 Architecture: WINDOWS Score: 100 56 Sigma detected: Register Wscript In Run Key 2->56 58 Snort IDS alert for network traffic 2->58 60 Antivirus detection for URL or domain 2->60 62 10 other signatures 2->62 7 wscript.exe 3 5 2->7         started        11 wscript.exe 12 2->11         started        14 wscript.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 38 C:\Users\user\AppData\Roaming\frUARngKGN.js, ASCII 7->38 dropped 40 PO 4500158326 3000....js:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\...\PO 4500158326 300038 00000000.js, ASCII 7->42 dropped 68 System process connects to network (likely due to code injection or exploit) 7->68 70 Benign windows process drops PE files 7->70 72 Detected WSHRat 7->72 74 5 other signatures 7->74 18 wscript.exe 1 502 7->18         started        23 wscript.exe 1 13 7->23         started        54 javaautorun.duia.ro 11->54 file5 signatures6 process7 dnsIp8 44 whiteking.giize.com 103.14.154.235, 4040, 49682, 49688 EASYHOST-HKEASYHOSTSOLUTIONLIMITEDHK unknown 18->44 46 wshsoft.company 194.59.164.67, 49691, 80 AS-HOSTINGERLT Germany 18->46 48 ip-api.com 208.95.112.1, 49680, 80 TUT-ASUS United States 18->48 28 C:\Users\user\AppData\Roaming\...\python3.dll, PE32 18->28 dropped 30 C:\Users\user\AppData\Roaming\...\python.exe, PE32 18->30 dropped 32 C:\Users\user\AppData\...\softokn3.dll, PE32 18->32 dropped 36 512 other files (none is malicious) 18->36 dropped 64 System process connects to network (likely due to code injection or exploit) 18->64 66 Wscript called in batch mode (surpress errors) 18->66 25 wscript.exe 18->25         started        50 javaautorun.duia.ro 41.217.12.135, 5465 SpectranetNG Nigeria 23->50 34 C:\Users\user\AppData\...\frUARngKGN.js, ASCII 23->34 dropped file9 signatures10 process11 dnsIp12 52 javaautorun.duia.ro 25->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4a4120c3f34c07f9cd538878bccb6a1a97d03fbdd0cc27f9b601babf4584d64/
Threat name:
Script-JS.Trojan.Vjw0rm
Create hunting rule
Status:
Malicious
First seen:
2022-10-19 07:43:20 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 26 (34.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ussbedb7gtah7hgvhcdyxtfwugux2a733ugme743man2x5cyjvsa._file
Result
Malware family:
wshrat
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Score:
  10/10
Tags:
family:vjw0rm family:wshrat collection persistence spyware stealer trojan worm
Link:
https://tria.ge/reports/221019-hzyceaehh8/
Behaviour
Kills process with taskkill
Script User-Agent
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses Microsoft Outlook accounts
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Vjw0rm
WSHRAT
Malware Config
C2 Extraction:
http://whiteking.giize.com:4040
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/a4a4120c3f34c07f9cd538878bccb6a1a97d03fbdd0cc27f9b601babf4584d64

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:Base64_Encoded_Powershell_Directives
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File information

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

Comments