MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf94cdb681484f49682d7126b3f89cd3ba7aa0d2976d0f79f7c1c4aefa208296. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: cf94cdb681484f49682d7126b3f89cd3ba7aa0d2976d0f79f7c1c4aefa208296
SHA3-384 hash: 8524e82436444cd4d240f2f57c4dda26c6b6f24288248c1513875b47f044f43bd7735bd649e400abcf159441c1b61282
SHA1 hash: 1f9ba2d48fa10098778df2c652c9b56ccc4e3bdb
MD5 hash: 0029ace20191e0ac493124c6067451b5
humanhash: violet-black-emma-montana
File name:inst_s0t011.msi
Download: download sample
Signature ValleyRAT
File size:6'533'120 bytes
First seen:2026-08-04 13:14:53 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:ba3nM4/QH8dggU5NSj1Cj2kU0KGn1rkdXXaIUyFBNCNxbM0L6+x4DjHYT3pPCNyr:bUMWzWR52O2beiEHynQ1x4DbY7pq4Jms
TLSH T188663395BCCA2774F057D7F08556323E722A7FC91F228D0A7AD8361C5E72A226CB1358
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter Ling
Tags:msi SilverFox ValleyRAT


Avatar
CNGaoLing
SilverFox
IOC (Domain uxtemg.net) (Domain oss2027.oss-cn-hongkong.aliyuncs.com) (Domain 0nbay3.oss-cn-beijing.aliyuncs.com) (Domain 2026mn.oss-cn-hongkong.aliyuncs.com)

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context CAB installer installer overlay packed packed persistence wix
Verdict:
Malicious
File Type:
msi
First seen:
2026-08-04T09:43:00Z UTC
Last seen:
2026-08-04T12:47:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:LZX Executable Office Document PE (Portable Executable) PE File Layout
Threat name:
Win64.Spyware.Emotet
Status:
Malicious
First seen:
2026-08-04 13:16:05 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution persistence privilege_escalation ransomware trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies Control Panel
Modifies data under HKEY_USERS
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
Event Triggered Execution: Screensaver
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Badlisted process makes network request
Enumerates connected drives
Indicator Removal: Clear Persistence
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Modifies RDP port number used by Windows
UAC bypass
Windows security bypass
Please note that we are no longer able to provide a coverage score for Virus Total.

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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ValleyRAT

Microsoft Software Installer (MSI) msi cf94cdb681484f49682d7126b3f89cd3ba7aa0d2976d0f79f7c1c4aefa208296

(this sample)

  
Delivery method
Distributed via web download

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