MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67b3fbe53bb0d84a4994afee73ab3023f4472cdb361770d21df6916fd0d2ba73. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: 67b3fbe53bb0d84a4994afee73ab3023f4472cdb361770d21df6916fd0d2ba73
SHA3-384 hash: 4ea4302d0cc94aa9cfbe132d6fafe2f0ab13795db5edfd82d6ea23f188eaf4a3a9ec7df5d43362363be91a94581d63b6
SHA1 hash: fb7179ba9ff90fba2dbcfcf9cafcbb3e92e2aba1
MD5 hash: 8c7e9c651d942c94c77974d614ce4668
humanhash: stairway-grey-sink-thirteen
File name:Setup64v1.4.8.msi
Download: download sample
Signature ValleyRAT
File size:8'880'128 bytes
First seen:2025-01-06 08:19:31 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:fnlc0kM4t/Nes4B6TCe30s0TlnHPfctFaEfVr7yBh1LRTKfqO:NcvvfesY6TCe30s0Bvfcy67yBHLgfz
TLSH T1CE963312FCDF97FBE6366B320EA471A20012AE7067E284566B447F0C0479A70D7B796D
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 :
92
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
shellcode
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer packed packed
Result
Verdict:
MALICIOUS
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:
malicious
Classification:
n/a
Score:
60 / 100
Signature
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1584702 Sample: Setup64v1.4.8.msi Startdate: 06/01/2025 Architecture: WINDOWS Score: 60 15 Multi AV Scanner detection for dropped file 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 PE file has nameless sections 2->19 6 msiexec.exe 75 29 2->6         started        9 msiexec.exe 5 2->9         started        process3 file4 13 C:\Windows\Installer\MSI7ABE.tmp, PE32+ 6->13 dropped 11 msiexec.exe 6->11         started        process5
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-01-06 08:20:07 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
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