MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dff99b21ed5983b57d40790fd85a237ed5860bdf5485aa8fddbd7bc9864e547. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 7dff99b21ed5983b57d40790fd85a237ed5860bdf5485aa8fddbd7bc9864e547
SHA3-384 hash: ba1fbcaa053e88e6bba572481e21d8771585694d9d1dac0461a67aebf0f2451cb33124e6657cfd7c239d259fe278e51b
SHA1 hash: d5fd4654b0daae268a28c35da2f2022ddfa607f1
MD5 hash: 438616ac5f542a444dd4b23e12b0fd7a
humanhash: september-wolfram-coffee-beer
File name:Setup64v7.1.9.msi
Download: download sample
Signature ValleyRAT
File size:33'406'976 bytes
First seen:2025-02-22 02:24:24 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:Nhs1xPQVEJMxRzH7WNjOmAq2WMiRtVRYP1xQLvmo:NhsPPXMvzH7UONq2WMctrWUf
TLSH T15477339774E15F29EDB74030C915AC58F062BE404E040E92D785BBB26F7B76232B9BD8
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 :
1
# of downloads :
17
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:
64 / 100
Signature
Hides threads from debuggers
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.Malgent
Status:
Malicious
First seen:
2025-02-22 13:02:05 UTC
AV detection:
17 of 38 (44.74%)
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
Suspicious use of NtSetInformationThreadHideFromDebugger
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: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