MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7807db10dede0f00021ed7f9713cb9aea0738d9616e3b154bfe75d1e57d8fe2. 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: b7807db10dede0f00021ed7f9713cb9aea0738d9616e3b154bfe75d1e57d8fe2
SHA3-384 hash: c6f4a08cce64da8907cfddd1f334cb86b107910f5dd8d14912ebca624631942cc92c94dacb7d997ff776d284caaf68f8
SHA1 hash: 9e4dd90535515e10dd197d6d9f8832c71f002aca
MD5 hash: 8c580c91e3ff00a07593c5556a1c3bb3
humanhash: asparagus-iowa-crazy-two
File name:installer64v3.2.9.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:7'655'424 bytes
First seen:2024-12-29 05:48:39 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:HzgsBitCMA5ZvUp+g+KQE9319vExJXpNm:HUtpKZsFHavXm
TLSH T15276013659B7B0BCF693D6B58AB78777A037379117265CBF00A5E3301A32A104B46B72
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 :
97
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
MiscreantPunch.SingleXOR.EXE.19.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6770e2d11bb06b888479263b
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/6770e2cfb227d2dfb4110d0a/reports/a454453e-bc33-4c45-b6e3-fd825a704661/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b7807db10dede0f00021ed7f9713cb9aea0738d9616e3b154bfe75d1e57d8fe2
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b7807db10dede0f00021ed7f9713cb9aea0738d9616e3b154bfe75d1e57d8fe2
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/1581853
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/b7807db10dede0f00021ed7f9713cb9aea0738d9616e3b154bfe75d1e57d8fe2/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6ah3min5xqpaabb5v7zoe6ltlvaoogzmfxdwfkl7z25dzl5r7ra._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/241229-gh1wjatrgj/
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/43217f53-6f52-48e6-b244-cea278ea9655
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/b7807db10dede0f00021ed7f9713cb9aea0738d9616e3b154bfe75d1e57d8fe2

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