MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 635c7a05d7626d972c8f2e5ba73f866487de27a71409c457dcc1b804f004951a. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 635c7a05d7626d972c8f2e5ba73f866487de27a71409c457dcc1b804f004951a
SHA3-384 hash: eb6423413ac81646e3742fd35799cc9482af21f009c17de66c7021193f21d96cad464c309e108810ded2345d763cbb47
SHA1 hash: b6f4066396916518a39c814969bfbf6493734738
MD5 hash: a7952ddc3269cf44e9ddf6d290c33ac5
humanhash: avocado-paris-grey-ten
File name:T1安装包2.0.2.msi
Download: download sample
Signature ValleyRAT
File size:9'117'696 bytes
First seen:2025-01-06 08:26:43 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:WhLjLUMaEfM0B6TCe30s0hDnHPfctFaEfVr7yBh1LRTKk4O:+5M86TCe30s0Jvfcy67yBHLgkV
TLSH T181963320B89F87FAF67667725DA471A30041AE702B9380075B193B4C04BE674E77BB6D
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 :
114
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
shellcode
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: 1584709 Sample: T1#U5b89#U88c5#U53052.0.2.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\MSI8D48.tmp, PE32+ 6->13 dropped 11 msiexec.exe 6->11         started        process5
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-01-06 08:27:09 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
10 of 38 (26.32%)
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