MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12ca249e9fa5ed956d072ec466416fe50cf35c4c6c481ce19e07a52ef31e1a8a. 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 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12ca249e9fa5ed956d072ec466416fe50cf35c4c6c481ce19e07a52ef31e1a8a
SHA3-384 hash: aac9ef5d6f8febcdd03891d7cff106b21cb2d38ec74d71f229c38ce5fbbaef9e2ef8f48b043497856aadb37544bdd5d9
SHA1 hash: bdd94f1f3509a6507b280d06a240c2df1c5a37e6
MD5 hash: b34c9083eed5a3f38346fa1bf618745e
humanhash: cardinal-crazy-early-kansas
File name:????????? ?? ?????? Ref. No. MS-DGP-220137.js
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:384'095 bytes
First seen:2022-06-20 09:58:29 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:wU3CQP55kYWIY7GBwqs5XmN7ZyAfY1qX/E1IN3Vjr0/3tp0ZmFuTh3P91dlD7As:+f7kD6qPjy3bUVX1dlDR
TLSH T1D184E040E7C42BB9DAA8150BD0BE160E83F01346D91664CCBB36BA176FFFF889217655
Reporter abuse_ch
Tags:js vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
62.102.148.154:4044

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
62.102.148.154:4044 https://threatfox.abuse.ch/ioc/716742/

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.Trojan.Cryxos.9324.6028.20247.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive obfuscated wscript
Link:
https://www.filescan.io/uploads/62b04527f4dd1ffb77a396a2/reports/fffee11e-c88a-4642-803f-c9c138207f67/overview
Result
Threat name:
STRRAT, VjW0rm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016202
Signature
Antivirus detection for URL or domain
Drops script or batch files to the startup folder
Exploit detected, runtime environment starts unknown processes
JavaScript source code contains call to eval containing suspicious API calls
JScript performs obfuscated calls to suspicious functions
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
System process connects to network (likely due to code injection or exploit)
Wscript called in batch mode (surpress errors)
Yara detected STRRAT
Yara detected VjW0rm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648698 Sample: _________ __ ______ Ref. No... Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 38 sonatype.map.fastly.net 2->38 40 repo1.maven.org 2->40 42 github.com 2->42 58 Antivirus detection for URL or domain 2->58 60 Yara detected VjW0rm 2->60 62 Yara detected STRRAT 2->62 64 3 other signatures 2->64 9 wscript.exe 3 2->9         started        13 wscript.exe 12 2->13         started        16 wscript.exe 12 2->16         started        18 wscript.exe 2->18         started        signatures3 process4 dnsIp5 34 C:\Users\user\AppData\Roaming\BCSDWooOYA.js, ASCII 9->34 dropped 36 C:\Users\user\AppData\Local\Temp\SM.jar, Zip 9->36 dropped 66 System process connects to network (likely due to code injection or exploit) 9->66 68 JScript performs obfuscated calls to suspicious functions 9->68 70 Drops script or batch files to the startup folder 9->70 72 2 other signatures 9->72 20 wscript.exe 2 13 9->20         started        24 java.exe 24 9->24         started        52 franmhort.duia.ro 13->52 54 franmhort.duia.ro 16->54 56 franmhort.duia.ro 18->56 file6 signatures7 process8 dnsIp9 44 franmhort.duia.ro 91.192.100.8, 49767, 49959, 50218 AS-SOFTPLUSCH Switzerland 20->44 32 C:\Users\user\AppData\...\BCSDWooOYA.js, ASCII 20->32 dropped 46 github.com 140.82.121.3, 443, 49769, 49772 GITHUBUS United States 24->46 48 sonatype.map.fastly.net 199.232.192.209, 443, 49768, 49770 FASTLYUS United States 24->48 50 2 other IPs or domains 24->50 26 icacls.exe 1 24->26         started        28 conhost.exe 24->28         started        file10 process11 process12 30 conhost.exe 26->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12ca249e9fa5ed956d072ec466416fe50cf35c4c6c481ce19e07a52ef31e1a8a/
Threat name:
Script-JS.Downloader.Nemucod
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 09:59:07 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 26 (42.31%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=clfcjhu7uxwzk3ihf3cgmqlp4ugpgxcmnrebzym6a6ss54y6dkfa._file
Result
Malware family:
vjw0rm
Create hunting rule
Score:
  10/10
Tags:
family:strrat family:vjw0rm persistence stealer suricata trojan worm
Link:
https://tria.ge/reports/220620-lz275sedc8/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
STRRAT
Vjw0rm
suricata: ET MALWARE STRRAT CnC Checkin
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/12ca249e9fa5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/12ca249e9fa5ed956d072ec466416fe50cf35c4c6c481ce19e07a52ef31e1a8a

File information

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

Comments