MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a41f498140d9418e9e0bda91364404f9f33c4f69d15732610deda7959aeb3d6. 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 7 File information Comments

SHA256 hash: 5a41f498140d9418e9e0bda91364404f9f33c4f69d15732610deda7959aeb3d6
SHA3-384 hash: 8184ffe195cc2c9e99c0bdb0c623b6bd801cd203551e01ea54ef08afbcf66882d5e1770d56c3f19d324bb05c756c0727
SHA1 hash: 011371dafce2587be9da9b3a24ab5272064713c2
MD5 hash: 0b8bbf3bc7759c5791c10dabb26ed828
humanhash: twelve-ink-fifteen-zulu
File name:2026.04.01.....最 新 文 件 G.exe
Download: download sample
Signature ValleyRAT
File size:3'450'368 bytes
First seen:2026-04-01 21:50:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0db0fd22b41e519ee62086b7e02bcfa9 (1 x ValleyRAT)
ssdeep 49152:OxzJpwEekPQE8HX9mrWtZqW2MP3p0b7uJsv6tWKFdu9CWPTvG7UpHFhh6Dhqac9i:69XUx02Jsv6tWKFdu9CWi
TLSH T141F57D86B2B65364D9B7C13886E7D55BD6727C028F2499DF125CB3185AB36F00E3B328
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 6464646464646404 (2 x ValleyRAT, 1 x Gh0stRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.sad Trojan:Win64/Malgent!MSR ValleyRAT


Avatar
CNGaoLing
This sample has been reviewed by Microsoft researchers and determined to be malware. (Trojan:Win64/Malgent!MSR)

SilverFox
IOC (Domain adbufrd.cn) (IP 18.163.176.215)

Intelligence


File Origin
# of uploads :
1
# of downloads :
110
Origin country :
US US
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
2026.04.01.....最 新 文 件 G.exe
Verdict:
Malicious activity
Analysis date:
2026-04-01 11:16:48 UTC
Tags:
websocket valleyrat rat silverfox winos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
91.7%
Tags:
emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Running batch commands
Creating a process with a hidden window
Connection attempt
Launching a process
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context base64 fingerprint microsoft_visual_cc threat unknown
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-01T11:44:00Z UTC
Last seen:
2026-04-01T11:53:00Z UTC
Hits:
~10
Detections:
Trojan-Dropper.Win32.Injector.sb
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Unpacked files
SH256 hash:
5a41f498140d9418e9e0bda91364404f9f33c4f69d15732610deda7959aeb3d6
MD5 hash:
0b8bbf3bc7759c5791c10dabb26ed828
SHA1 hash:
011371dafce2587be9da9b3a24ab5272064713c2
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: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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:SUSP_Websites
Author:SECUINFRA Falcon Team
Description:Detects the reference of suspicious sites that might be used to download further malware
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string

File information


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

Web download

ValleyRAT

Executable exe 5a41f498140d9418e9e0bda91364404f9f33c4f69d15732610deda7959aeb3d6

(this sample)

  
Delivery method
Distributed via web download

Comments