MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82218c4065f73f6b07220b8dcb9185c0669f193ecfc3ee75fc8b36e72abfbdde. 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 18 File information Comments

SHA256 hash: 82218c4065f73f6b07220b8dcb9185c0669f193ecfc3ee75fc8b36e72abfbdde
SHA3-384 hash: 822df5b9488b3ef4af80c41edb425fe4f54c52ec48a25d4e15297ddf0ebc68581a4a012f650c8d7acf8f4641d1e5ce30
SHA1 hash: 159271c37511810c3be1a4e373d3530bc9bd02a4
MD5 hash: c12df86356c141152b960192c28f4af3
humanhash: oven-romeo-floor-friend
File name:ainstaller-86533012.exe
Download: download sample
Signature ValleyRAT
File size:77'527'552 bytes
First seen:2026-06-17 17:35:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 380560563ebacca1589d8d38ac610187 (9 x ValleyRAT)
ssdeep 196608:ZNnmx+fMeDrR91QJBqtiEPFNPy9iRlQTn2VMrqNU8kQmHZspvUE4:HvfRba9i4BrqNhvU5
TLSH T17208F816B7468DDAF4299334889B4F50B372E8B157B1871323B423289FEF38C5FA6654
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon c4e0b0a4cc74626a (9 x ValleyRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bm[lddel] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bm[lddel]
IOC (wtkblq.com) (26nn.oss-cn-hangzhou.aliyuncs.com) (jun616.oss-cn-beijing.aliyuncs.com) (upitem.oss-cn-hangzhou.aliyuncs.com)

Intelligence


File Origin
# of uploads :
1
# of downloads :
144
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
ainstaller-86533012.exe
Verdict:
Malicious activity
Analysis date:
2026-06-17 17:16:14 UTC
Tags:
payload remote rat gh0st stego auto-reg auto-sch uac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
shellcode cobalt small blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto fingerprint microsoft_visual_cc
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-17T14:13:00Z UTC
Last seen:
2026-06-18T18:08:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.EtwTamper.cdp Trojan.Win32.Agent.sba Trojan.Agent.HTTP.C&C HackTool.Multi.AmsiETWPatch.sb not-a-virus:HEUR:RiskTool.Win32.EvadeAV.gen
Gathering data
Verdict:
Malicious
Threat:
HackTool.Multi.AmsiETWPatch
Threat name:
Win64.Trojan.Ravartar
Status:
Malicious
First seen:
2026-06-17 17:15:22 UTC
File Type:
PE+ (Exe)
Extracted files:
13
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution exploit persistence privilege_escalation trojan
Behaviour
Checks processor information in registry
Modifies Control Panel
Modifies registry class
Runs net.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Event Triggered Execution: Screensaver
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Adds Run key to start application
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
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Author:vietdx.mb

File information


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

Web download

ValleyRAT

Executable exe 82218c4065f73f6b07220b8dcb9185c0669f193ecfc3ee75fc8b36e72abfbdde

(this sample)

  
Delivery method
Distributed via web download

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