MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0e4931df7ea30255b2820e6bd65b43477897c5c20b0d1ba34fd16b4063d92ebd. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 0e4931df7ea30255b2820e6bd65b43477897c5c20b0d1ba34fd16b4063d92ebd
SHA3-384 hash: 58c0b04cf01546868026a6b9b6a243e3aa1297471884d3d6afa769854091af6d5230025c841416aabadfcb94fe0e8bf7
SHA1 hash: 1dd7b107e45ad76c1e1d9d1f0ae641a197255b7f
MD5 hash: 05ad15b0439fd395d7228fe76fc986af
humanhash: cat-tennis-green-nineteen
File name:app_setup.6653008.msi
Download: download sample
Signature ValleyRAT
File size:10'121'216 bytes
First seen:2026-07-11 23:01:38 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:iEXfU34m3qRRF+vyt9WGcRNtCKmyLOS+GKe3nGVaOR4OLqgY5fV:iEXfpL3F+vy2RCK+S+GKPVaa4OLqgu
TLSH T17DA63391B6CB0570C01BC7B4964A927E702C3FD51FA00D266BD8BF489F73A642E776A1
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
The sample is retrieved from
https://sysceo-driver.com.cn
https://www.sysceo-dll.com.cn
https://sysceo-zx.com.cn
https://zcqudong.com.cn
https://qudong-new.com.cn
-> https://www.n7b8t85zsg.com/ins711

SilverFox
IOC (Domain 26nn.oss-cn-hangzhou.aliyuncs.com) (Domain 710new.oss-cn-beijing.aliyuncs.com) (Domain tlhcoz.net)

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
shellcode virus hype
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
CAB installer installer overlay packed packed persistence wix
Verdict:
Malicious
File Type:
msi
First seen:
2026-07-11T19:33:00Z UTC
Last seen:
2026-07-12T18:44:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sba Trojan.Agent.HTTP.C&C Trojan-Banker.Win32.Emotet.gpkx HEUR:Trojan.Win32.DLLhijack.pefng HEUR:Trojan.Win32.DLLhijack.pef HEUR:Trojan-Banker.Win32.Emotet.gen HackTool.Multi.AmsiETWPatch.sb
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:LZX Executable Office Document PE (Portable Executable) PE File Layout
Threat name:
Win64.Trojan.Ravartar
Status:
Malicious
First seen:
2026-07-11 23:02:38 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution exploit 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
Runs net.exe
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
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
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
Disables service(s)
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
Possible privilege escalation attempt
UAC bypass
Windows security bypass
Malware family:
CobaltStrike
Verdict:
Malicious
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 0e4931df7ea30255b2820e6bd65b43477897c5c20b0d1ba34fd16b4063d92ebd

(this sample)

  
Delivery method
Distributed via web download

Comments