MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c709ed855b596e46c4df8eb3ff6d50ca55869ae9deb59e04a49fd2df31f77c71. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments

SHA256 hash: c709ed855b596e46c4df8eb3ff6d50ca55869ae9deb59e04a49fd2df31f77c71
SHA3-384 hash: 2a4715650c39e8c786d170bd147d841e9f6618d2a926e6c17831a70011f342f6b6aaabd4d895b1451542bab4b8836dac
SHA1 hash: e36657a35a1aa44dd0b2c5ad95e59368e5fc2b37
MD5 hash: 21526dce6982f024428562287ffb67cc
humanhash: mirror-cup-fruit-yellow
File name:2 0 2 6 年 第 二 季 度 违 规 内 职 人 员 名 单 信 息.exe
Download: download sample
Signature ValleyRAT
File size:3'450'880 bytes
First seen:2026-04-01 01:07:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61b4bdff5a843253fda17e1b05c1163d (1 x ValleyRAT)
ssdeep 49152:x6bLRVZZjSbhiPEh0bDb2MqHsK8uz8nTF5ag35n/CNX7Jsv6tWKFdu9COPTvG74h:xcbEz8DbNq3ijQJsv6tWKFdu9COiN
TLSH T1F4F56C47BAAB01A4E1B2C13CC9A7914BE6763C019B304ACF129C674A5B777F05D3BB16
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 009064e0dac260b0 (1 x ValleyRAT)
Reporter Ling
Tags:exe SilverFox 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 fbmtingttk.cn) (IP 43.198.45.195)

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
JP JP
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
2 0 2 6 年 第 二 季 度 违 规 内 职 人 员 名 单 信 息.exe
Verdict:
Malicious activity
Analysis date:
2026-03-31 08:55:19 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:
99.9%
Tags:
emotet zenpak virus hype
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
DNS request
Connection attempt
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 evasive fingerprint keylogger microsoft_visual_cc
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-03-31T04:49:00Z UTC
Last seen:
2026-03-31T09:45:00Z UTC
Hits:
~100
Detections:
Trojan-Dropper.Win32.Injector.sb Trojan.Win64.Zenpak.sb Trojan.Win64.Zenpak.faf PDM:Trojan.Win32.Generic
Gathering data
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2026-03-31 11:31:27 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
c709ed855b596e46c4df8eb3ff6d50ca55869ae9deb59e04a49fd2df31f77c71
MD5 hash:
21526dce6982f024428562287ffb67cc
SHA1 hash:
e36657a35a1aa44dd0b2c5ad95e59368e5fc2b37
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:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
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: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: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
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.

File information


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

Web download

ValleyRAT

Executable exe c709ed855b596e46c4df8eb3ff6d50ca55869ae9deb59e04a49fd2df31f77c71

(this sample)

  
Delivery method
Distributed via web download

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