MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff1f5951d79e751c14aa0783f819f861f2e7f105b66bf485bef85874dac3b41f. 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 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff1f5951d79e751c14aa0783f819f861f2e7f105b66bf485bef85874dac3b41f
SHA3-384 hash: 5c4df24219ebb3e1fa430ec277a4ec140ff46edc3b6370c997a8dd361866cf517060fe8c17a42d2b9010b2297b78630a
SHA1 hash: fc154d07e28dc7eec471ff22cc435c671b3877a0
MD5 hash: 1dd50444b4a4757997e45c27dcff2da5
humanhash: six-fanta-fourteen-table
File name:BaiduNetdisk_8.4.0.103.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:58'201'264 bytes
First seen:2026-06-09 11:22:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a24e57cfb1e35030a9b4252bf1fa8b4b (12 x ValleyRAT, 1 x Sality)
ssdeep 1572864:FfCriBYeujdTMWh+5QjyTezIQH+i1N9qdADiU9P:CDjdTMWhaQjyl6P
TLSH T1BAD7BE23F4424039D6D302F19ABEBA2A96FD9A35033855E757C89C494FB05E2B73A353
TrID 28.3% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
18.1% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
11.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
dhash icon fadadac2a2b8c4e4 (13 x ValleyRAT, 11 x Nitol, 5 x Gh0stRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.q ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.q
IOC (IP 18.163.11.11)

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/02b94964-6813-427b-bb40-3d202559f40a/
Malware family:
n/a
ID:
1
File name:
BaiduNetdisk_8.4.0.103.exe
Verdict:
No threats detected
Analysis date:
2026-06-09 11:19:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5af68cef-136c-44c2-8daf-afd3b129ffad

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
N/A%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a27f693a15110463ee432dc
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a window
Deleting a recently created file
Creating a file in the Program Files subdirectories
Searching for the window
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm crypto explorer fingerprint fingerprint installer installer installer-heuristic lolbin microsoft_visual_cc obfuscated overlay packed packed reconnaissance xor-pe
Link:
https://www.filescan.io/uploads/6a27f7921f652d6865723497/reports/08b8decb-f74f-4e1a-a7cb-e8b46972bc3a/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/ff1f5951d79e751c14aa0783f819f861f2e7f105b66bf485bef85874dac3b41f
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-09T08:18:00Z UTC
Last seen:
2026-06-09T08:29:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.GGCode.sb Trojan.Win32.DLLhijack.sb HEUR:Trojan.Win64.DLLhijack.gen
Link:
https://opentip.kaspersky.com/ff1f5951d79e751c14aa0783f819f861f2e7f105b66bf485bef85874dac3b41f/results?tab=lookup
Score:
66%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/ff1f5951d79e751c14aa0783f819f861f2e7f105b66bf485bef85874dac3b41f
Gathering data
Verdict:
Malicious
Threat:
Trojan.Win32.GGCode
Link:
https://tip.neiki.dev/file/ff1f5951d79e751c14aa0783f819f861f2e7f105b66bf485bef85874dac3b41f
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=74pvsuoxtz2ryffka6b7qgpymhzop4ifwzv7jbn67bmhjwwdwqpq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260609-ng3r3ah15q/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
UPX packed file
Executes dropped EXE
Loads dropped DLL
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:Agent_BTZ
Create hunting rule
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_all_IPv6_variants
Create hunting rule
Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RedOctoberPluginNetScan
Create hunting rule
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_XORed_MSDOS_Stub_Message
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
Rule name:Sus_All_Windows_PE_Malware
Create hunting rule
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
Author:vietdx.mb
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:without_attachments
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information

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

Web download

ValleyRAT

Executable exe ff1f5951d79e751c14aa0783f819f861f2e7f105b66bf485bef85874dac3b41f

(this sample)

  
Delivery method
Distributed via web download

Comments