MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a97e8ffb5cfbbccd8e2c812fb6f86769ec014692f9bd598ad446c096630d577. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments

SHA256 hash: 2a97e8ffb5cfbbccd8e2c812fb6f86769ec014692f9bd598ad446c096630d577
SHA3-384 hash: 6d909149c7ff6b82f3f5fc09fb1a1536c535d56352de59e1d3a5171ad1a97d4c886a0241b4c66b9df319d12b1dc8599f
SHA1 hash: 5019d6cfd60cb67191f009f781f772a074b1ce89
MD5 hash: 5377b90a65cef26fcfd075a0ee2b9822
humanhash: oregon-mars-ten-leopard
File name:updater.exe
Download: download sample
Signature ValleyRAT
File size:420'768 bytes
First seen:2026-06-21 07:47:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1063679ca25a505b671b8681ecfc841e (1 x ValleyRAT)
ssdeep 6144:ihgvqWVHEi02wuz2aXG2lNLuZYpV6wmOjfNoZYX/3PfcKrKywXJhm:i2S2HlwKXG2PaoQLOJHdGyqJU
TLSH T180948D2AF3A41DF8F82AE178C9565512EA31FC55076096EB33A096252F733D02E3FB51
TrID 51.9% (.EXE) Win64 Executable (generic) (6522/11/2)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.9% (.EXE) Generic Win/DOS Executable (2002/3)
15.9% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon 71d89e9696cce071 (1 x YoungLotus, 1 x QuasarRAT, 1 x CobaltStrike)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.sa ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.sa
IOC (IP 50.114.184.68:6666)

Intelligence


File Origin
# of uploads :
1
# of downloads :
172
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
updater.exe
Verdict:
Malicious activity
Analysis date:
2026-06-21 07:43:42 UTC
Tags:
payload valleyrat silverfox rat winos ip-check evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
shellcode injection emotet obfusc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto installer-heuristic overlay packed reconnaissance
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-21T04:40:00Z UTC
Last seen:
2026-06-21T04:46:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Zenpak.sb Trojan-Downloader.Win32.Zenlod.a HEUR:Trojan.Win32.Agent.gen HEUR:Trojan-Downloader.Win32.Sheloader.gen Backdoor.Win32.Xkcp.a PDM:Trojan.Win32.Generic Backdoor.Xkcp.TCP.ServerRequest Backdoor.Agent.TCP.C&C Trojan.Win64.Kryplod.sb HEUR:Trojan-Downloader.Win64.Agent.gen
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
malicious
Label(s):
valleyrat
Similar samples:
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates connected drives
Looks up external IP address via web service
Detects ValleyRAT payload
Family: ValleyRat
Malware Config
C2 Extraction:
50.114.184.68:6666
127.0.0.1:8888
127.0.0.1:80
Unpacked files
SH256 hash:
2a97e8ffb5cfbbccd8e2c812fb6f86769ec014692f9bd598ad446c096630d577
MD5 hash:
5377b90a65cef26fcfd075a0ee2b9822
SHA1 hash:
5019d6cfd60cb67191f009f781f772a074b1ce89
Malware family:
ValleyRAT
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_3055c14a
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Author:Elastic Security
Rule name:WinosStager
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

File information


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

Web download

ValleyRAT

Executable exe 2a97e8ffb5cfbbccd8e2c812fb6f86769ec014692f9bd598ad446c096630d577

(this sample)

  
Delivery method
Distributed via web download

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