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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0bfbf3281bf4c788ed5dc3cd48304b61e4e1292aa75076a63eeb609cdb246f88. 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 YARA 1 File information Comments
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SHA256 hash: 0bfbf3281bf4c788ed5dc3cd48304b61e4e1292aa75076a63eeb609cdb246f88
SHA3-384 hash: e739875cd60ef0b8200b0e4097ddeecde8de3933a930b58f58b4ddc1095e7acbdb05e05dd9080384c83ecc686327b4ef
SHA1 hash: 546b723a4d6242f98de734443875d633aec77d50
MD5 hash: 65dec97a8a65704b60b909be11b03b76
humanhash: minnesota-vermont-carolina-delaware
File name:Quotation Spec.js
Download: download sample
Signature Vjw0rm
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File size:264'671 bytes
First seen:2022-11-11 13:00:14 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:H6Tq+DC4anK2ls8KUSPM7sBCy0geZ8/28dwpijlQkzGX:H61lfzPMYBCy5zq0m8E
TLSH T17F44F12589242F54EF1C1A034AB8AD0D5BB53C8F586269DF7316BD8D9BFB009913E2DC
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://harold.2waky.com:3609/is-ready

Intelligence

File Origin
# of uploads :
1
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.BackDoor.17.19558.29923.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint obfuscated wscript.exe
Link:
https://www.filescan.io/uploads/636e478f4834ec1f25eedba5/reports/ca9b7bbc-71db-4de7-979f-eb572a644216/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/1111284
Signature
Antivirus detection for URL or domain
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
Multi AV Scanner detection for domain / URL
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: 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 VjW0rm
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743979 Sample: Quotation Spec.js Startdate: 11/11/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus detection for URL or domain 2->58 60 8 other signatures 2->60 7 wscript.exe 1 7 2->7         started        11 wscript.exe 1 2->11         started        13 wscript.exe 12 2->13         started        process3 dnsIp4 30 C:\...\Quotation Spec.js:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\Quotation Spec.js, ASCII 7->32 dropped 34 C:\Users\user\AppData\Roaming\qlcHMSCGcV.js, ASCII 7->34 dropped 36 2 other malicious files 7->36 dropped 62 System process connects to network (likely due to code injection or exploit) 7->62 64 Detected WSHRat 7->64 66 JScript performs obfuscated calls to suspicious functions 7->66 70 3 other signatures 7->70 16 wscript.exe 16 7->16         started        20 wscript.exe 1 13 7->20         started        68 Wscript called in batch mode (surpress errors) 11->68 23 wscript.exe 11->23         started        48 javaautorun.duia.ro 13->48 file5 signatures6 process7 dnsIp8 38 harold.2waky.com 109.206.243.106, 3609, 49707, 49726 AWMLTNL Germany 16->38 40 ip-api.com 208.95.112.1, 49706, 80 TUT-ASUS United States 16->40 50 System process connects to network (likely due to code injection or exploit) 16->50 52 Wscript called in batch mode (surpress errors) 16->52 25 wscript.exe 16->25         started        42 javaautorun.duia.ro 95.142.119.17, 5465 ASDETUKhttpwwwheficedcomGB Czech Republic 20->42 28 C:\Users\user\AppData\...\qlcHMSCGcV.js, ASCII 20->28 dropped file9 signatures10 process11 dnsIp12 44 javaautorun.duia.ro 25->44 46 192.168.2.1 unknown unknown 25->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0bfbf3281bf4c788ed5dc3cd48304b61e4e1292aa75076a63eeb609cdb246f88/
Threat name:
Script.Trojan.Heuristic
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Status:
Malicious
First seen:
2022-11-11 13:01:07 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 41 (12.20%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bp57gka36tdyr3k5ypguqmclmhsockjku5ihnjr65nqjzwzen6ea._file
Result
Malware family:
wshrat
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Score:
  10/10
Tags:
family:vjw0rm family:wshrat trojan worm
Link:
https://tria.ge/reports/221111-p872jaac7y/
Behaviour
Script User-Agent
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Vjw0rm
WSHRAT
Malware Config
C2 Extraction:
http://harold.2waky.com:3609
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/0bfbf3281bf4c788ed5dc3cd48304b61e4e1292aa75076a63eeb609cdb246f88

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