MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8e8d9c72b572aa237d3fbbca03b8ea20c9c01a747262c4266fbb86e5db46589. 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: 15


Intelligence 15 IOCs 1 YARA 24 File information Comments

SHA256 hash: c8e8d9c72b572aa237d3fbbca03b8ea20c9c01a747262c4266fbb86e5db46589
SHA3-384 hash: 17d9f9318c981e98185bf43c9f2909c9c23993ac4646bf7e0abad69427726cad8c6cde7dd2bf835cf5e8ce9e5de043b5
SHA1 hash: 92d26d790e0820fd63e421dd6254e2cdb87f9b31
MD5 hash: 262e8eb8c5e039e65510adf26e05c2e3
humanhash: skylark-berlin-echo-foxtrot
File name:262e8eb8c5e039e65510adf26e05c2e3.exe
Download: download sample
Signature ValleyRAT
File size:1'775'104 bytes
First seen:2025-08-30 21:55:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (124 x Vidar, 92 x Rhadamanthys, 51 x Stealc)
ssdeep 24576:bxiVBBT9UnWIBEEg7eUSvh8m4i4GLjU3/9yBrh6:bxMn5UWr7eU0bCs6
Threatray 587 similar samples on MalwareBazaar
TLSH T1AA854A0B7CD118F6C0AA9232896661927B61BC590F3223DB3E50B77C2FB3BD0A975754
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
8.149.137.211:1145

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
8.149.137.211:1145 https://threatfox.abuse.ch/ioc/1578302/

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
262e8eb8c5e039e65510adf26e05c2e3.exe
Verdict:
Malicious activity
Analysis date:
2025-08-30 21:58:11 UTC
Tags:
valley winos rat silverfox golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
emotet virus shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Сreating synchronization primitives
Creating a window
Connection attempt to an infection source
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm crypt golang packed threat
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-08-28T10:22:00Z UTC
Last seen:
2025-08-28T10:22:00Z UTC
Hits:
~10
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-08-28 21:22:00 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c8e8d9c72b572aa237d3fbbca03b8ea20c9c01a747262c4266fbb86e5db46589
MD5 hash:
262e8eb8c5e039e65510adf26e05c2e3
SHA1 hash:
92d26d790e0820fd63e421dd6254e2cdb87f9b31
Malware family:
ValleyRAT
Verdict:
Malicious
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in 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:golang_duffcopy_amd64
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_3055c14a
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Author:Elastic Security

File information


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

Comments