MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5810240a88fd32c44495990d4766f2675b8d9be51692f4b95a60682717d265e. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5810240a88fd32c44495990d4766f2675b8d9be51692f4b95a60682717d265e
SHA3-384 hash: b7bb74d058f40ad6f683532b02c285a8d2b02a380785514c75fe1e3766512ce3329073488972a97e22ca6104f2b69797
SHA1 hash: 8f83718362ac7a1602072d2385d5ffb62dfc2103
MD5 hash: a84acb5305d8b06ce10a2ffb04c562d4
humanhash: pennsylvania-dakota-winner-seventeen
File name:installer64v3.6.8.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:13'881'344 bytes
First seen:2024-12-28 08:15:49 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:gO5N5lunV72ksRJgCxCwxvQac1dZC+wSw5PZbzL+uuIZYsk5Z02SJ4AAHFnOFJin:ZWCksuySw5PZXiuuI6FP5TtHhzQATz
TLSH T199E633187B5F6B5EC34581BD88C5BAAE09D06E640B64B2E03340BF6DF17B837D1629D2
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 :
74
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676fb3c475fb913a1478de22
Tags:
shellcode
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer packed packed
Link:
https://www.filescan.io/uploads/676fb3c2509459c7f805f987/reports/009e7c99-63b4-4e02-b342-e990d3f02aad/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b5810240a88fd32c44495990d4766f2675b8d9be51692f4b95a60682717d265e
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b5810240a88fd32c44495990d4766f2675b8d9be51692f4b95a60682717d265e
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1581569
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5810240a88fd32c44495990d4766f2675b8d9be51692f4b95a60682717d265e/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwaqeqfir7jsyrcjlgini5tpez23rwn6kfus6s4vuydie4l5ezpa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/241228-j54xtaxmbk/
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
Link:
https://app.threat.zone/submission/277a344a-36c0-45d3-8b0a-73d654b53fe7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b5810240a88fd32c44495990d4766f2675b8d9be51692f4b95a60682717d265e

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
Create hunting rule
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