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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da924bd600bfab2b3d7647fadf31593747aac941e083856d8bcedaa021da4b7a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da924bd600bfab2b3d7647fadf31593747aac941e083856d8bcedaa021da4b7a
SHA3-384 hash: 78b909884ccdd226808591af84b755d309b3e3d1207bd8ba78a286e3f081f1b8d6ee34d17e463c5ca0a83728838aa4a6
SHA1 hash: 843b86723b5c6113b1ab20756b98d3c8221db031
MD5 hash: d7d4bde73f37306d955f0bfb63a8d002
humanhash: vegan-lamp-video-william
File name:Purchase Contract.js
Download: download sample
Signature Vjw0rm
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File size:1'242'436 bytes
First seen:2023-01-26 18:20:36 UTC
Last seen:2023-02-01 23:09:42 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:eQ3B7qgpCrbmZ7njOZkjS1MDP13+2O/+dKEy:gbm5nikjSCDPl6/+dKD
TLSH T1AF45D3D4FA0D60495EB1105801391E994DBCC6EBC2B8DBF8F617B914DA3944AF3ED2E8
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
192.3.193.58:23015

Intelligence

File Origin
# of uploads :
2
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Obfus-191.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive fingerprint obfuscated wscript.exe
Link:
https://www.filescan.io/uploads/63d2c48f1c9cbf7d6253221e/reports/06f4e60c-d8e6-4f1b-bf45-dc565a0c63cb/overview
Result
Threat name:
WSHRat, VjW0rm, MailPassView
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159759
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Detected WSHRat
Drops script or batch files to the startup folder
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Wscript called in batch mode (surpress errors)
Wscript starts Powershell (via cmd or directly)
Yara detected MailPassView
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 792496 Sample: Purchase Contract.js Startdate: 26/01/2023 Architecture: WINDOWS Score: 100 89 Sigma detected: Register Wscript In Run Key 2->89 91 Snort IDS alert for network traffic 2->91 93 Multi AV Scanner detection for domain / URL 2->93 95 10 other signatures 2->95 8 wscript.exe 3 7 2->8         started        12 wscript.exe 2->12         started        14 wscript.exe 2 2->14         started        16 3 other processes 2->16 process3 dnsIp4 69 C:\Users\user\AppData\Roaming\nhEFfGRzeR.js, ASCII 8->69 dropped 71 C:\...\Purchase Contract.js:Zone.Identifier, ASCII 8->71 dropped 73 C:\Users\user\...\Purchase Contract.js, ASCII 8->73 dropped 75 2 other malicious files 8->75 dropped 109 System process connects to network (likely due to code injection or exploit) 8->109 111 Benign windows process drops PE files 8->111 113 Detected WSHRat 8->113 117 5 other signatures 8->117 19 wscript.exe 2 464 8->19         started        24 wscript.exe 1 13 8->24         started        115 Wscript called in batch mode (surpress errors) 12->115 26 wscript.exe 12->26         started        28 wscript.exe 14->28         started        77 javaautorun.duia.ro 16->77 30 wscript.exe 16->30         started        32 wscript.exe 16->32         started        file5 signatures6 process7 dnsIp8 79 wshsoft.company 194.59.164.67, 49698, 80 AS-HOSTINGERLT Germany 19->79 81 auto.stevenpartners.com 192.3.193.58, 23015, 49691, 49693 AS-COLOCROSSINGUS United States 19->81 85 2 other IPs or domains 19->85 57 C:\Users\user\AppData\Local\...\pythonw.exe, PE32 19->57 dropped 59 C:\Users\user\AppData\Local\...\python37.dll, PE32 19->59 dropped 61 C:\Users\user\AppData\Local\...\python3.dll, PE32 19->61 dropped 65 542 other files (368 malicious) 19->65 dropped 105 System process connects to network (likely due to code injection or exploit) 19->105 107 Wscript called in batch mode (surpress errors) 19->107 34 cmdc.exe 19->34         started        37 cmd.exe 19->37         started        40 wscript.exe 19->40         started        43 4 other processes 19->43 83 javaautorun.duia.ro 91.193.75.231, 49685, 49686, 49687 DAVID_CRAIGGG Serbia 24->83 63 C:\Users\user\AppData\...\nhEFfGRzeR.js, ASCII 24->63 dropped file9 signatures10 process11 dnsIp12 97 Multi AV Scanner detection for dropped file 34->97 99 Tries to steal Instant Messenger accounts or passwords 34->99 101 Tries to steal Mail credentials (via file / registry access) 34->101 103 Machine Learning detection for dropped file 34->103 67 C:\Users\user\AppData\Local\Temp\wshout, ASCII 37->67 dropped 45 conhost.exe 37->45         started        47 python.exe 37->47         started        87 javaautorun.duia.ro 40->87 49 conhost.exe 43->49         started        51 conhost.exe 43->51         started        53 taskkill.exe 43->53         started        55 3 other processes 43->55 file13 signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da924bd600bfab2b3d7647fadf31593747aac941e083856d8bcedaa021da4b7a/
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2023-01-26 18:21:12 UTC
File Type:
Text (JavaScript)
AV detection:
4 of 39 (10.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kjexvqax6vswplwi75n6mkzg5d2vskb4cbyk3mlz3nkaio2jn5a._file
Result
Malware family:
wshrat
Create hunting rule
Score:
  10/10
Tags:
family:vjw0rm family:wshrat collection persistence spyware stealer trojan worm
Link:
https://tria.ge/reports/230126-wzbqaseg29/
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://auto.stevenpartners.com:23015
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da924bd600bf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/da924bd600bfab2b3d7647fadf31593747aac941e083856d8bcedaa021da4b7a

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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Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information

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

Comments