MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 254fb5e9b88c97494475e55bf157fc6fd062b245a671b5a002fa1bba20c10f72. 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 1 File information Comments

SHA256 hash: 254fb5e9b88c97494475e55bf157fc6fd062b245a671b5a002fa1bba20c10f72
SHA3-384 hash: e79ee688c4bed5574ce01c99e7a2cde8d871979803668bcd69290b1849f5affaaef6146d4e1f9ef574f648a9a27c4d96
SHA1 hash: 01fda6145fcece4cce326152d66b18d6e4d18fe9
MD5 hash: c5c8d24b317f75a9781f32b5e1a6cb3a
humanhash: tennis-robert-may-sierra
File name:T1助手1.0.2.msi
Download: download sample
Signature ValleyRAT
File size:8'511'488 bytes
First seen:2025-01-04 03:22:05 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:8UrndlmHm5yGKph8v4drS9vBE3WwIF4Z4GHpKnaz6:JnjBsGF4VkG1Q4Z48Kaz6
TLSH T17B863312B53FD6ECF46275B28EF6A354D0062E91A5B0891797883F8C1B30F2457B73A9
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 :
153
Origin country :
US US
Vendor Threat Intelligence
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:
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: 1584045 Sample: T1#U52a9#U624b1.0.2.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\MSIEA3E.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