MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f6cd1f7c6c184bc5a7870aa6ff3b76d4bf7e280739cc288586ec68bd39463cb. 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 3 File information Comments

SHA256 hash: 3f6cd1f7c6c184bc5a7870aa6ff3b76d4bf7e280739cc288586ec68bd39463cb
SHA3-384 hash: 0575f7dc102dd7477d5754396cd71468bc826c465624b38906ed186cd5ac6d2adcc3d6e7c87f9b896ba69403bea6486a
SHA1 hash: be1855221df1a4cb9b1c96a177fce1dd86f644f3
MD5 hash: 64d0a72219595e9afc258fa912022f40
humanhash: florida-sad-lithium-mountain
File name:Setup64v3.2.6.msi
Download: download sample
Signature ValleyRAT
File size:37'453'824 bytes
First seen:2025-02-14 02:15:19 UTC
Last seen:2025-02-14 03:47:31 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:sjoeZkT4ewLjw1Kikbut2W2q16Tpqq9kwZBRXBIAewo/f/:fMkUpwi6t2hr4q2MBRuAfaf
TLSH T19887331C66DDDA08D83B5C71848B696CA1B53E026B191FEBD248FA722F3B49370F5D18
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter kafan_shengui
Tags:msi SilverFox ValleyRAT winos

Intelligence


File Origin
# of uploads :
2
# of downloads :
75
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
malware
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
installer obfuscated
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:
evad
Score:
68 / 100
Signature
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-02-14 12:57:43 UTC
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery 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
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Downloads MZ/PE file
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:NET
Author:malware-lu
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