MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b86deb90b528c38f02b3623e2ce92c9d06b984041017e8e54c9d65699e24dd3. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b86deb90b528c38f02b3623e2ce92c9d06b984041017e8e54c9d65699e24dd3
SHA3-384 hash: 5324bffd2ec3cff07d9ffa04aa62311e7c2e789765e8434a4ddc5b0d7754eeaa66d38026adc6210360bff292e226c7ac
SHA1 hash: 28394bdce55e6193ab053d3dcdd12311a8ec99d9
MD5 hash: 0c42a8809767a6372f10d905bdd74b4c
humanhash: nebraska-river-stairway-wisconsin
File name:Setup64v2.3.5.msi
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:34'013'184 bytes
First seen:2025-02-05 02:32:48 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 786432:QtTRhkn68rQvGEKsutUVzk+1ojKl6l/iCfh7KZetWYUSyrsX:QtTTkB7E3uozFo+Yfh78eso
TLSH T18277330AB996AB3DE92ED630CA02F265B5363C1547198C92924878B59D377F370FC78C
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 :
102
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a2ceee51193558eb196715
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
installer obfuscated
Link:
https://www.filescan.io/uploads/67a2cdf0789923419df75b93/reports/b40cf311-db6e-47b4-9075-ef69fc6a46ae/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/9b86deb90b528c38f02b3623e2ce92c9d06b984041017e8e54c9d65699e24dd3
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/9b86deb90b528c38f02b3623e2ce92c9d06b984041017e8e54c9d65699e24dd3
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:
56 / 100
Link:
https://www.joesandbox.com/analysis/1607072
Signature
Hides threads from debuggers
Multi AV Scanner detection for dropped file
Query firmware table information (likely to detect VMs)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1607072 Sample: Setup64v2.3.5.msi Startdate: 05/02/2025 Architecture: WINDOWS Score: 56 19 Multi AV Scanner detection for dropped file 2->19 6 msiexec.exe 75 30 2->6         started        9 msiexec.exe 5 2->9         started        process3 file4 15 C:\Windows\Installer\MSI507B.tmp, PE32+ 6->15 dropped 11 msiexec.exe 1 6->11         started        process5 file6 17 C:\Program Files (x86)\Windows NT\cab.dll, PE32+ 11->17 dropped 21 Query firmware table information (likely to detect VMs) 11->21 23 Hides threads from debuggers 11->23 signatures7
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=todn5oilkkgdr4blgyr6ftuszhigxgcaieax5dsuzhlfngpcjxjq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/250205-c1x55svmgx/
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
Loads dropped DLL
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates connected drives
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b08028d3-b4c4-415c-8635-f571184e4458
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/9b86deb90b528c38f02b3623e2ce92c9d06b984041017e8e54c9d65699e24dd3

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:NET
Create hunting rule
Author:malware-lu
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