MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a63db2daf426ced44b66e30ec3b50697dab533dd087cf4e00a7b82f2c6371630. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a63db2daf426ced44b66e30ec3b50697dab533dd087cf4e00a7b82f2c6371630
SHA3-384 hash: 65143a560120d16412b80c22d968a7e6fc2c2652437a5b7a42a6c5c0013b12956e90b3ef1e762b0f7ad92a66651e846e
SHA1 hash: ecd54bc030343b3d538d69e4776175b69bc6ed80
MD5 hash: ad0e0c82dab53f0a2652c626bfc759bb
humanhash: eight-coffee-triple-summer
File name:1.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:7'802'880 bytes
First seen:2024-12-29 10:14:33 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:R/GwhdseFSqFA5ZvUp2g+KQE9319vExJXpNm:8O2ewqFKZslHavXm
TLSH T1D476013659B7B0BCF693D6B58AB78777A037379117265CBF00A6E3301632A005B46A73
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter zhuzhu0009
Tags:backdoor msi SilverFox ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
HK HK
Vendor Threat Intelligence
Detection(s):
MiscreantPunch.SingleXOR.EXE.19.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6771212a75fb913a147910ec
Tags:
obfuscated shellcode
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint installer obfuscated packed packed xor-url
Link:
https://www.filescan.io/uploads/6771212d509459c7f8064002/reports/d5dee594-7e57-4526-9d3e-ca2b59c975dc/overview
Verdict:
Suspicious
Labled as:
W64/ABRisk.SPAJ
Link:
https://www.hybrid-analysis.com/sample/a63db2daf426ced44b66e30ec3b50697dab533dd087cf4e00a7b82f2c6371630
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/a63db2daf426ced44b66e30ec3b50697dab533dd087cf4e00a7b82f2c6371630
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
Link:
https://www.joesandbox.com/analysis/1581906
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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/a63db2daf426ced44b66e30ec3b50697dab533dd087cf4e00a7b82f2c6371630/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-12-29 10:15:07 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uy63fwxue3hnis3g4mhmhnigs7nlkm65bb6pjyakpobpfrrxcyya._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/241229-l984fayqeq/
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/a4fbdc2b-6b0e-47d1-ad64-18c1133bdc1c
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/a63db2daf426ced44b66e30ec3b50697dab533dd087cf4e00a7b82f2c6371630

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