MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 301633a4b572fb87cabf729db58b06b64dc062de40d5a969c542eccd5dc3745c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 301633a4b572fb87cabf729db58b06b64dc062de40d5a969c542eccd5dc3745c
SHA3-384 hash: 020dae14644e9b5ff99a023c89f1d296985811750f510690e1fcfdacb433e9d7c68d53e09c2426b316ab535251a8977f
SHA1 hash: 9810cb1af28edf51ba1d75aaf73594db1015c673
MD5 hash: fd1544446a835612ce4c044d1ddced29
humanhash: artist-berlin-indigo-bacon
File name:installer64v5.2.5.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:17'616'896 bytes
First seen:2024-12-28 08:16:27 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:J/eoHx5Fgn7orDs8Eaw1/MvsxkakIS+MrFXkCV3OVs4Zmb5LR:hrx87orjwXxPS+A3wsRT
TLSH T1620723D32DCA5298C4974E30718E078A71E1FED94BFEA91E37C53807B170E578682A67
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
Detection(s):
SecuriteInfo.com.Trojan.Packed2.48589.22972.31519.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676fb4011bb06b888478dd3c
Tags:
shellcode
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint installer packed packed
Link:
https://www.filescan.io/uploads/676fb3ffa561e5a2873b3757/reports/ff3cbcc8-8106-4930-bc3e-7dbf9d90da8c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/301633a4b572fb87cabf729db58b06b64dc062de40d5a969c542eccd5dc3745c
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/301633a4b572fb87cabf729db58b06b64dc062de40d5a969c542eccd5dc3745c
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1581571
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
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/301633a4b572fb87cabf729db58b06b64dc062de40d5a969c542eccd5dc3745c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=galdhjfvol5ypsv7oko3lcygwzg4ayw6idk2s2ofilwm2xodoroa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/241228-j6pjhsxmbm/
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/49765ccd-1ed0-4f99-8d7f-881849789bba
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/301633a4b572fb87cabf729db58b06b64dc062de40d5a969c542eccd5dc3745c

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: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