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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1. 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: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1
SHA3-384 hash: 342c2ff195fdfc42a815b78a0712966acc366b38960a618c07f44fa35208ddb5cffc04fb8617a8a95d8285a124045bb9
SHA1 hash: 477b46c19bccc5143a71e057c0240a4ea87ca391
MD5 hash: 863973f0d6b66b27bdb617c57a956b42
humanhash: edward-magazine-march-yankee
File name:1C24THM00001195.pdf.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:409'657 bytes
First seen:2024-07-17 07:10:20 UTC
Last seen:2024-07-17 12:46:07 UTC
File type:Java file jar
MIME type:application/zip
ssdeep 12288:SBjSHT45m51JD5A1v7V355qjcVJP9iNe9:StWT45weBpDP9Qk
TLSH T16694122E7CB780B0C607B87710286336B51C81A6D4E9963B91F834BA5C25E4D9B54FEF
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Reporter abuse_ch
Tags:jar STRRAT


Avatar
abuse_ch
STRRAT C2:
147.185.221.21:5271

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
147.185.221.21:5271 https://threatfox.abuse.ch/ioc/1301923/

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
strrat
Create hunting rule
ID:
1
File name:
Attachment.jar
Verdict:
Malicious activity
Analysis date:
2024-07-17 08:09:29 UTC
Tags:
rat strrat
Link:
https://app.any.run/tasks/264bdb1b-1b9b-4ae9-928d-112e0aa7fa05

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Java.Packer.Allatori-1
Create hunting rule

Sanesecurity.Malware.27013.JsHeur.Obfs.UNOFFICIAL
Create hunting rule

TwinWave.EvilJAR.e_STRRAT_Shuffle.20240412.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66976e8a4de77648397b71df
Tags:
Stealth Kryptik
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/66976e8ca537d9330bdeb54a/reports/608c0d73-ec10-44f7-821f-f90c0ccf8c22/overview
Verdict:
Malicious
Labled as:
JAVA/Kryptik.dbwsf
Link:
https://www.hybrid-analysis.com/sample/3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1474691
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AllatoriJARObfuscator
Yara detected STRRAT
Behaviour
Behavior Graph:
Download SVG
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1/
Threat name:
ByteCode-JAVA.Trojan.Strrat
Create hunting rule
Status:
Malicious
First seen:
2024-07-17 00:41:59 UTC
File Type:
Binary (Archive)
Extracted files:
79
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hiwtd23jnn6yqxtotstdhpo5ezzjkd3f3a2jk57mwrcbgntfohiq._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:strrat persistence stealer trojan
Link:
https://tria.ge/reports/240717-hzym6stbpa/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Adds Run key to start application
Loads dropped DLL
STRRAT
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1

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:JAR_STRRAT_April_2024
Create hunting rule
Author:NDA0E
Description:Detects STRRAT config filename
Rule name:strrat_jar_v1
Create hunting rule
Author:RandomMalware

File information

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

Comments