MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b41e22a17ded74420d4fd5914d902b9bb8f58c9dcfe82ca78777ff8f1b341a91. 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


ValleyRAT


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b41e22a17ded74420d4fd5914d902b9bb8f58c9dcfe82ca78777ff8f1b341a91
SHA3-384 hash: a1628bcf2cca2d514a51c245ddb0291a19b4c611ee57ceac6c2a899ecca9f9d238805759b9f56ea2aaa50241c7b50171
SHA1 hash: 101ad621b4457657cfec215b7de0e6107e3bf610
MD5 hash: c1d7ce1b832d9d244d078a14015eedd6
humanhash: mobile-johnny-virginia-ceiling
File name:T1助手1.0.2.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:8'212'480 bytes
First seen:2025-01-03 02:15:25 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:PUNMqhMeJXtt4l9BM93vfIvFp9WaZaSkM1pjS4AbWU4:PshMeNtwzpnaEma
TLSH T1BD86335B733DBABAD2A6693B4D7702C38970BDC1A5E19646C3C03F8E187467225B31D2
TrID 53.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
39.2% (.MSP) Windows Installer Patch (44509/10/5)
7.0% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter zhuzhu0009
Tags:backdoor msi SilverFox ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
PL PL
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677748681ada70779825731a
Tags:
malware
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b41e22a17ded74420d4fd5914d902b9bb8f58c9dcfe82ca78777ff8f1b341a91
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
suspicious
Classification:
n/a
Score:
25 / 100
Link:
https://www.joesandbox.com/analysis/1583554
Signature
PE file has nameless sections
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1583554 Sample: T1#U52a9#U624b1.0.2.msi Startdate: 03/01/2025 Architecture: WINDOWS Score: 25 15 PE file has nameless sections 2->15 6 msiexec.exe 75 29 2->6         started        9 msiexec.exe 5 2->9         started        process3 file4 13 C:\Windows\Installer\MSI73E.tmp, PE32+ 6->13 dropped 11 msiexec.exe 6->11         started        process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b41e22a17ded74420d4fd5914d902b9bb8f58c9dcfe82ca78777ff8f1b341a91/
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-01-03 09:28:52 UTC
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqpcfil55v2eedkp2wiu3eblto4plde5z7uczj4ho77y6gzudkiq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/250103-cp5qvayjdr/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
Drops file in Program Files directory
Drops file in Windows directory
Loads dropped DLL
Enumerates connected drives
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c6b065bb-f05d-4e60-9062-cba9def9a104
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/b41e22a17ded74420d4fd5914d902b9bb8f58c9dcfe82ca78777ff8f1b341a91

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Comments