MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f99ba9800b3e27f4e37f9be0d5c590351d7c3bcaf17bcdfa3fcc39dd1fb6f39a. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f99ba9800b3e27f4e37f9be0d5c590351d7c3bcaf17bcdfa3fcc39dd1fb6f39a
SHA3-384 hash: 363c648f6991cae01cd03344b83ebb64cda2cb9c2c3c9e8bda647bf34a3a80e16caab842b79e739aed3d8f8a239f6d25
SHA1 hash: 794188d9e2227be48ce17a6177ba9ba685a27761
MD5 hash: 2b3d8dd2f3a8234df668ca70617643eb
humanhash: pasta-gee-crazy-sweet
File name:PaymentInvUsContractAgreement.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:224'817 bytes
First seen:2023-06-01 00:00:44 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 6144:PPS4toF6g654EcEyn2KIAwawx0Dsz8JcKLrsABk/U7:3Sysr654EcNn2qiuwBKLrsAes7
TLSH T10324024FBD9BC5ECE653247A9A0CE231962C229CC445B92B21FD6A951C74C5E0782FCF
TrID 72.9% (.JAR) Java Archive (13500/1/2)
21.6% (.ZIP) ZIP compressed archive (4000/1)
5.4% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter abuse_ch
Tags:jar STRRAT


Avatar
abuse_ch
STRRAT C2:
103.212.81.160:53444

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
strrat
Create hunting rule
ID:
1
File name:
PaymentInvUsContractAgreement.jar
Verdict:
Malicious activity
Analysis date:
2023-06-01 00:03:11 UTC
Tags:
rat strrat evasion
Link:
https://app.any.run/tasks/f90a192e-bbe8-4e12-a8ab-cbdc884841cc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Strrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/394224/
Detection(s):
SecuriteInfo.com.Java.Siggen.525.13269.5234.UNOFFICIAL
Create hunting rule

Java.Malware.CVE_2021_44228-9915819-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
banload spyagent
Link:
https://www.filescan.io/uploads/6477e0b00041a6c374e6f69d/reports/f515e746-0ef3-48da-a495-fae4ec82c433/overview
Verdict:
Malicious
Labled as:
Exploit.Zip.Heuristic
Link:
https://www.hybrid-analysis.com/sample/f99ba9800b3e27f4e37f9be0d5c590351d7c3bcaf17bcdfa3fcc39dd1fb6f39a
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad.expl
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1246460
Signature
Exploit detected, runtime environment starts unknown processes
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AllatoriJARObfuscator
Yara detected STRRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 879480 Sample: PaymentInvUsContractAgreement.jar Startdate: 01/06/2023 Architecture: WINDOWS Score: 80 19 Found malware configuration 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 3 other signatures 2->25 7 java.exe 5 2->7         started        9 7za.exe 81 2->9         started        process3 process4 11 icacls.exe 1 7->11         started        13 conhost.exe 7->13         started        15 conhost.exe 9->15         started        process5 17 conhost.exe 11->17         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f99ba9800b3e27f4e37f9be0d5c590351d7c3bcaf17bcdfa3fcc39dd1fb6f39a/
Threat name:
ByteCode-JAVA.Trojan.Strrat
Create hunting rule
Status:
Malicious
First seen:
2023-05-31 23:08:54 UTC
File Type:
Binary (Archive)
Extracted files:
76
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7gn2taalhyt7jy37tpqnlrmqguoxyo6k6f5436r7zq452h5w6ona._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:strrat persistence stealer trojan
Link:
https://tria.ge/reports/230601-aawhhsbf55/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Adds Run key to start application
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:
0.90
Link:
https://yomi.yoroi.company/submissions/f99ba9800b3e27f4e37f9be0d5c590351d7c3bcaf17bcdfa3fcc39dd1fb6f39a

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/394224/

Comments