MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbf418de2f91dd227f9bb4fc7ffb8bb882729037ecb101518f87fd622f227268. 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 1 YARA 18 File information Comments

SHA256 hash: dbf418de2f91dd227f9bb4fc7ffb8bb882729037ecb101518f87fd622f227268
SHA3-384 hash: 53e38bcf3973f4d66f09d23839a925768fac2a80d176a5d82dd16c74cc93f70291f4cf854dd97f3318bdece189885748
SHA1 hash: 330295e5fcac1641a9de63c8606944de6020504a
MD5 hash: 268abe31fcc654dfd6ea157d08bdf713
humanhash: oscar-bulldog-harry-magnesium
File name:TencentMeeting_x86_64.exe
Download: download sample
Signature ValleyRAT
File size:72'014'145 bytes
First seen:2026-06-10 12:02:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4e7ce0c2d4e287e33f0a421844d1f889 (5 x Gh0stRAT, 1 x MimiKatz, 1 x ValleyRAT)
ssdeep 1572864:s12t5TxeuCm6s066s0g1FZ5R8ffZea2Ujcz1Oj2:s12t5TxEbH6FZ5RueUjcz1v
TLSH T12EF73321BAB0C0B0FF7679B000A6CF13E978B551932895D357D849B12E3E2E97E7CA54
TrID 39.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
21.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
8.3% (.EXE) Win64 Executable (generic) (6522/11/2)
6.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
dhash icon 8092e8ecd494aac0 (1 x ValleyRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.sa ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.sa
IOC (IP 154.91.75.78)

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
154.91.75.78:777 https://threatfox.abuse.ch/ioc/1829790/

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-06-10 12:07:55 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
emotet cobalt madi
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Deleting a recently created file
Connection attempt
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug explorer fingerprint installer-heuristic keylogger lolbin microsoft_visual_cc overlay packed reconnaissance regedit regsvr32
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-09T16:20:00Z UTC
Last seen:
2026-06-09T21:17:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.Xkcp.cvl Backdoor.Win32.Agent.sb Backdoor.Agent.TCP.C&C Backdoor.Win32.Xkcp.a PDM:Trojan.Win32.Generic
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-06-09 23:39:49 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
valleyrat
Similar samples:
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor discovery upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
UPX packed file
Checks installed software on the system
Enumerates connected drives
ACProtect 1.3x - 1.4x DLL software
Executes dropped EXE
Loads dropped DLL
Detects ValleyRAT payload
Family: ValleyRat
Malware Config
C2 Extraction:
154.91.75.78:777
127.0.0.1:80
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:Borland
Author:malware-lu
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GenericGh0st
Author:Still
Rule name:Gh0stKCP
Author:Netresec
Description:Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:https://netresec.com/?b=259a5af
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9
Rule name:ValleyRAT
Author:NDA0E
Description:Detects ValleyRAT
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Generic_Threat_4b0b73ce
Author:Elastic Security
Rule name:WinosStager
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign
Rule name:WIN_WebSocket_Base64_C2_20250726
Author:dogsafetyforeverone
Description:Detects configuration strings used by malware to specify WebSocket command-and-control endpoints inside Base64-encoded data. It looks for prefixes such as '#ws://' or '#wss://' that were found in QuasarRAT configuration data.

File information


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

Web download

ValleyRAT

Executable exe dbf418de2f91dd227f9bb4fc7ffb8bb882729037ecb101518f87fd622f227268

(this sample)

  
Delivery method
Distributed via web download

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