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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b478720822b30c55218ea31f592b22f0042bc00f900e8991f7879c6fca79d3dc. 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: b478720822b30c55218ea31f592b22f0042bc00f900e8991f7879c6fca79d3dc
SHA3-384 hash: 52f06315882df8eb6058c943f46083466bf94f68a256812ef90e5020379268c2b2b32d211e000e1258a481bda732ef12
SHA1 hash: cbd3449600220b0fb3ee34f6d2d3b968e89e92d8
MD5 hash: 4e105498422dc4730f1b2b7511055a8a
humanhash: low-princess-iowa-enemy
File name:new purchase order.js
Download: download sample
Signature STRRAT
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File size:366'869 bytes
First seen:2023-05-31 05:45:15 UTC
Last seen:2023-05-31 06:33:26 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:eNMXPBQOJOAj+zKHOFio0Kezk3AAf3+RH7wBx9ICcJWa8GUsxVhg:1PBvXjSiPi3AAve7whxa8Gq
TLSH T1B2746C09C07606D6BE70D0248A9E3F9BB397F98D3EE0944B01B5FFAE561B6C4855F908
Reporter abuse_ch
Tags:js STRRAT


Avatar
abuse_ch
STRRAT C2:
141.98.6.246:6291

Intelligence

File Origin
# of uploads :
2
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.JS.Trojan.Cryxos.12775.13452.14162.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
nemucod strrat
Link:
https://www.filescan.io/uploads/6476df1cbe5d1d21ee48d1ae/reports/037bb57e-2a63-4e2d-a259-39e18f677226/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/b478720822b30c55218ea31f592b22f0042bc00f900e8991f7879c6fca79d3dc
Result
Threat name:
RATDispenser, STRRAT
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Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1245768
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b478720822b30c55218ea31f592b22f0042bc00f900e8991f7879c6fca79d3dc/
Threat name:
Script-JS.Trojan.Cryxos
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Status:
Malicious
First seen:
2023-05-31 05:46:06 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 37 (18.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wr4hecbcwmgfkimoumpvskzc6accxqapsahitepxq6og7stz2poa._file
Result
Malware family:
strrat
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Score:
  10/10
Tags:
family:strrat persistence stealer trojan
Link:
https://tria.ge/reports/230531-ggayqade8t/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
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/b478720822b30c55218ea31f592b22f0042bc00f900e8991f7879c6fca79d3dc

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
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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.

Comments