MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fcc636637d758b1068ebcff7363ab4aefa39b93e278dbea825eebeb8a9357e2. 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: 6


Intelligence 6 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fcc636637d758b1068ebcff7363ab4aefa39b93e278dbea825eebeb8a9357e2
SHA3-384 hash: 0143bc0b8863282a340e83aa29230d74aef4aba4337e4ab8cd764e5fd5d360d036aa138b6b25d5555c4bbeea398caf1c
SHA1 hash: f094702af184cb7df67f3885451e212a954a88d7
MD5 hash: e5e9f2eeb4f5a44fe672d74c53959577
humanhash: pip-edward-violet-kentucky
File name:setup_r8013.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:64'691'712 bytes
First seen:2026-08-06 02:57:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 380560563ebacca1589d8d38ac610187 (16 x ValleyRAT)
ssdeep 98304:duj9nmW2eUAAq4gm4mNSh6q+luaePvl8/bbJtF0gofLzXQQ7QfM3rr:MRnmW2s/m3xq9a2l8/QX9EfM3rr
TLSH T161E78216B74289CEE076A238944B8F51E336E9704A71933723B5735D1FFE38C8EA6149
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 (16 x ValleyRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bm[lddel] ValleyRAT


Avatar
CNGaoLing
The sample is retrieved from "hxxps://www[.]dnuwmi981[.]com/downs5"

Trojan/SilverFox.bm[lddel]
IOC (Domain wtkblq.com) (Domain oss2027.oss-cn-hongkong.aliyuncs.com) (Domain 0nbay3.oss-cn-beijing.aliyuncs.com) (Domain 2026mn.oss-cn-hongkong.aliyuncs.com) (IP 8.210.132.132:28300)

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-08-06 03:02:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e742882b-61fb-4fa9-a571-dff083b5cf92

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Enabling the 'hidden' option for recently created files
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/6fcc636637d758b1068ebcff7363ab4aefa39b93e278dbea825eebeb8a9357e2
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-05T23:50:00Z UTC
Last seen:
2026-08-07T22:22:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Dropper.Win32.Generic
Link:
https://opentip.kaspersky.com/6fcc636637d758b1068ebcff7363ab4aefa39b93e278dbea825eebeb8a9357e2/results?tab=lookup
Score:
19%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/6fcc636637d758b1068ebcff7363ab4aefa39b93e278dbea825eebeb8a9357e2
Gathering data
Threat name:
Win64.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2026-08-06 02:59:37 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n7gggzrx25mlcbuoxt7xgy5ljlx2hg4t4j4nx2ucl3v6xcutk7ra._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution exploit persistence privilege_escalation spyware trojan upx
Link:
https://tria.ge/reports/260806-dgfmesxtht/
Behaviour
Checks processor information in registry
Modifies Control Panel
Modifies registry class
Modifies system certificate store
Runs net.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Event Triggered Execution: Screensaver
Executes a command shell one-liner
Modifies trusted root certificate store through registry
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
UPX packed file
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
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

ValleyRAT

Executable exe 6fcc636637d758b1068ebcff7363ab4aefa39b93e278dbea825eebeb8a9357e2

(this sample)

  
Delivery method
Distributed via web download

Comments