MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fca67fb0570f40df1ca36dcf8fd3da12c5785933cf365c9c126a31ea923b79bb. 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 1 File information Comments

SHA256 hash: fca67fb0570f40df1ca36dcf8fd3da12c5785933cf365c9c126a31ea923b79bb
SHA3-384 hash: 98e7bc37eb5a86c8eaf684797f1775d5390679f77490e3fb3b99ae1e9861db5d97a904b611bed46dea7bb6bb444dbcc8
SHA1 hash: 78f134ce6ce37e3a713df79e5416da6169c96d1f
MD5 hash: 7bed35a8031c66c82cfe42d1568c0362
humanhash: gee-michigan-video-six
File name:installer64v3.2.6.msi
Download: download sample
Signature ValleyRAT
File size:8'478'720 bytes
First seen:2025-01-04 03:19:50 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:zZt99GHKph8v4drS9vBEnWwIF4Z4GHpKnazS:NtAF4Vku1Q4Z48KazS
TLSH T13C863313B53FD6BCF5A234B25CF5A754C01A6D92A9B088538B843E8C1772F246B7335A
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 kafan_shengui
Tags:msi SilverFox ValleyRAT winos

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer packed packed
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Signature
Multi AV Scanner detection for dropped file
PE file has nameless sections
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1584038 Sample: installer64v3.2.6.msi Startdate: 04/01/2025 Architecture: WINDOWS Score: 52 15 Multi AV Scanner detection for dropped file 2->15 17 PE file has nameless sections 2->17 6 msiexec.exe 75 29 2->6         started        9 msiexec.exe 5 2->9         started        process3 file4 13 C:\Windows\Installer\MSI923.tmp, PE32+ 6->13 dropped 11 msiexec.exe 6->11         started        process5
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
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
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Sus_Obf_Enc_Spoof_Hide_PE
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