MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31475e98c120175dd07781d9b057bebb38f481ac66aa55214ced5f93e046ce0d. 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: 31475e98c120175dd07781d9b057bebb38f481ac66aa55214ced5f93e046ce0d
SHA3-384 hash: 4f8d61fb3e8f85651a9ce3e17b3104d05646a293c79152247fc38b3c45443bb4d80e6436bb1f6ae28650f2fcd7eec924
SHA1 hash: b4a6154ec8d8cb33fe67a5c03639a7a228403378
MD5 hash: d6a2ae9f5fd39f5a438c2a57eb17f1b2
humanhash: bulldog-butter-happy-arizona
File name:T1助手1.0.1.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:8'044'544 bytes
First seen:2025-01-03 02:15:06 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:0BVVWu9l77tt4l9BM93vfIqCp9WaZaSkM1pjS4AbWU4:8VzrtwjpnaEma
TLSH T18386335BB33DAB79D6A265375D7706C68920BEC168F18246D7C03FAE187027225F32D2
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:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677748651ada7077982572d5
Tags:
malware
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/31475e98c120175dd07781d9b057bebb38f481ac66aa55214ced5f93e046ce0d
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/1583555
Signature
PE file has nameless sections
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1583555 Sample: T1#U52a9#U624b1.0.1.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\MSI782D.tmp, PE32+ 6->13 dropped 11 msiexec.exe 6->11         started        process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31475e98c120175dd07781d9b057bebb38f481ac66aa55214ced5f93e046ce0d/
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-01-03 05:13:40 UTC
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gfdv5ggbealv3udxqhm3av56xm4pjanmm2vfkikm5vpzhycgzygq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/250103-cp5qvavpaz/
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/79e62c6a-7b32-4d6b-b7a6-f1523f9034a9
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/31475e98c120175dd07781d9b057bebb38f481ac66aa55214ced5f93e046ce0d

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