MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98582a1d999744d24a1cac28ccc852fc1173139666054a3339451536abeb82fe. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98582a1d999744d24a1cac28ccc852fc1173139666054a3339451536abeb82fe
SHA3-384 hash: bf507e47f6e669b1b80642292c3245359e518374913c7fdcc61bfaa7905288e7b1d7ed8cf2c2dc69093efeefcdb8e80a
SHA1 hash: 47ff84bca95f8a5bbafb59b8d5ffdbc0cda2bf59
MD5 hash: 11e5072775812be8f1511cca44241aa1
humanhash: kansas-leopard-yellow-india
File name:installer64v3.2.4.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:8'622'080 bytes
First seen:2024-12-30 06:43:02 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:xE+lNjfGAn+AvC5f5g9rk6/UfbP2ZF5vw:xffX+TyBk6/UCH
TLSH T11196013A19B7B0BCF643D6B586768B67A83237E067265CBF00B5E3701631B014B85B76
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 :
95
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
MiscreantPunch.SingleXOR.EXE.19.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677241011bb06b88847976d8
Tags:
obfuscated virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint installer obfuscated packed packed xor-url
Link:
https://www.filescan.io/uploads/677240fc03bf7f0bdb5bddfd/reports/0df27ef8-9df3-46ff-8806-493c437d7891/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/98582a1d999744d24a1cac28ccc852fc1173139666054a3339451536abeb82fe
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/98582a1d999744d24a1cac28ccc852fc1173139666054a3339451536abeb82fe
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:
60 / 100
Link:
https://www.joesandbox.com/analysis/1582257
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/98582a1d999744d24a1cac28ccc852fc1173139666054a3339451536abeb82fe/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tbmcuhmzs5cnesq4vqumzscs7qixge4wmycuumzziuktnk7lql7a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/241230-hgxm6a1lcq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry class
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/e5e84463-57c1-4f23-aa1a-6df5528099f3
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/98582a1d999744d24a1cac28ccc852fc1173139666054a3339451536abeb82fe

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:SUSP_XORed_MSDOS_Stub_Message
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
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