MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0d6dc81831f9dbc108a2bf9cb913678e392d1e2c22aad3cd900e59bc3c3a2e62. 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


STRRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0d6dc81831f9dbc108a2bf9cb913678e392d1e2c22aad3cd900e59bc3c3a2e62
SHA3-384 hash: 59daa9e7414a0c99c948809de927e41d483f8a61cd6922041818f5a15b558625ae7cd2605003301d207f290edbe070d5
SHA1 hash: e5956d08f7f2ead17df83a537fb436789d086bdf
MD5 hash: 22a10561df6d4e94ee66a05c2460c1c2
humanhash: illinois-skylark-pizza-delaware
File name:Product sample.js
Download: download sample
Signature STRRAT
Create hunting rule
File size:373'653 bytes
First seen:2023-05-30 05:30:13 UTC
Last seen:2023-06-06 13:39:46 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:Mo5w5IFL7veLmHXaWQ5jhHpw3ciNh+bmy7mN8igz1fH9FjB55f0+lWsEoymYS8Ym:TeS3aphOHtz6Tht/ym9CBmVold
TLSH T1B6844B8A478E17EAFAB6C18E81DBA72E429845057970F41F15263BDF6F33707B636009
Reporter abuse_ch
Tags:js STRRAT


Avatar
abuse_ch
STRRAT C2:
103.212.81.154:8265

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.Trojan.Cryxos.12775.6744.16596.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
nemucod strrat
Link:
https://www.filescan.io/uploads/64758a17e082d379b3b2ac2b/reports/8b5b293b-f3d0-4aa8-920a-8de1b0bdda6c/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/0d6dc81831f9dbc108a2bf9cb913678e392d1e2c22aad3cd900e59bc3c3a2e62
Result
Threat name:
RATDispenser, STRRAT
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Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1244869
Signature
Antivirus detection for URL or domain
JavaScript source code contains call to eval containing suspicious API calls
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
Potential malicious VBS/JS script found (suspicious encoded strings)
Yara detected RATDispenser
Yara detected STRRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 877880 Sample: Product_sample.js Startdate: 30/05/2023 Architecture: WINDOWS Score: 92 27 Antivirus detection for URL or domain 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected RATDispenser 2->31 33 4 other signatures 2->33 8 wscript.exe 2 2->8         started        process3 file4 19 C:\Users\user\AppData\Roaming\ygzvokk.txt, Zip 8->19 dropped 35 JScript performs obfuscated calls to suspicious functions 8->35 12 javaw.exe 23 8->12         started        signatures5 process6 dnsIp7 21 140.82.121.3 GITHUBUS United States 12->21 23 github.com 140.82.121.4, 443, 49707, 49714 GITHUBUS United States 12->23 25 3 other IPs or domains 12->25 15 icacls.exe 1 12->15         started        process8 process9 17 conhost.exe 15->17         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0d6dc81831f9dbc108a2bf9cb913678e392d1e2c22aad3cd900e59bc3c3a2e62/
Threat name:
Script-JS.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-05-30 05:31:06 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bvw4qgbr7hn4ccfcx6olse3hry4s2hrmekvnhtmqbzm3ypb2fzra._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:strrat persistence stealer trojan
Link:
https://tria.ge/reports/230530-f7qlesfg5z/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
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
STRRAT
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/0d6dc81831f9dbc108a2bf9cb913678e392d1e2c22aad3cd900e59bc3c3a2e62

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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:js_ratdispenser
Create hunting rule
Author:HP Threat Research @HPSecurity
Description:JavaScript downloader resp. dropper delivering various RATs

File information

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

Malspam

STRRAT

gz 78c13c7c14ba3068053b7749c2671ba76cce489e3dbd310bc58641adf2e2fbe8

STRRAT

Java Script (JS) js 0d6dc81831f9dbc108a2bf9cb913678e392d1e2c22aad3cd900e59bc3c3a2e62

(this sample)

  
Dropped by
SHA256 78c13c7c14ba3068053b7749c2671ba76cce489e3dbd310bc58641adf2e2fbe8
  
Dropped by
MD5 b102d13f794c0adc6d34168a4cd379da

Comments