MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64258256fe43beb72b9a570a69ec0668b5a7f51416779d46420218a75f62323f. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: 64258256fe43beb72b9a570a69ec0668b5a7f51416779d46420218a75f62323f
SHA3-384 hash: 5836451f658a9b1a98ccbd8f39d1e01a17ba2e9d61c8e8f3717be370ecd67784128d7b72cdf8f0c9f200b080648d63f0
SHA1 hash: 2d858cfcfb53985ecd4284e5c7e820b967d8a68c
MD5 hash: 1d928a6ece26c670f0b823879b7004fb
humanhash: carolina-april-floor-south
File name:installer64v7.1.4.msi
Download: download sample
Signature ValleyRAT
File size:11'567'104 bytes
First seen:2025-01-03 08:19:32 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:xvF8TzmY/SBEbCgtmfwe2lwhUSEVM7EBbekSCzp/FT8dMNmwLn6F93w:1F8XmSxbEIvwhTEHJvhYMNmw7N
TLSH T1D2C63313B53FE952E8EE33741C316A14D8446E422370846DA7287BDDA4BA77047BB2E7
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 :
102
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:
suspicious
Classification:
n/a
Score:
25 / 100
Signature
PE file has nameless sections
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1583658 Sample: installer64v7.1.4.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\MSI5E8E.tmp, PE32+ 6->13 dropped 11 msiexec.exe 1 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:RansomPyShield_Antiransomware
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
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