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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa. 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 1 YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa
SHA3-384 hash: 042ee098f3d6698a6012dc40294a952e661e9b0d4b2a37ba97073a8aadc69f53e884238f67880c0722adab030f72e56b
SHA1 hash: 41042bd1d6c3bd6e73c54ded70270ebe976b8d24
MD5 hash: bf31a5bbecc0f2511bfa169114334451
humanhash: pasta-hot-september-fruit
File name:BF31A5BBECC0F2511BFA169114334451.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:288'304 bytes
First seen:2025-09-10 16:30:23 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 6cdbd56cc3b90f30543d6b87a355f1f5 (1 x ValleyRAT)
ssdeep 3072:n1ngFJb871rVPChJD12bbRJJS/TCtiJZwszvNaxr4Vch4oPGaZWajmaPy8TPN+tX:n4b8l5JgTPHaL4o7IlaPyuN+tX0RdCD
TLSH T1F8548C11B981C076D99F15748934CB255ABDBC705FF0E9CBE7C43CBA8A322C0AB3565A
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:dll RAT signed ValleyRAT

Code Signing Certificate

Organisation:MEDIATEK INC.
Issuer:VeriSign Class 3 Code Signing 2010 CA
Algorithm:sha1WithRSAEncryption
Valid from:2014-05-26T00:00:00Z
Valid to:2017-06-24T23:59:59Z
Serial number: 56f008e69a7c4c3feb389c66eaf58259
Intelligence: 19 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 322be21fe24713b9a5455f96f109c0621bea49279f498619759c48a1185ddee2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
ValleyRAT C2:
47.239.93.203:8586

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
47.239.93.203:8586 https://threatfox.abuse.ch/ioc/1587235/

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/26743/
Detection(s):
Win.Malware.Lazy-10039964-0
Create hunting rule

Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c1a7c36e66ba602d79f883
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd expired-cert findstr fingerprint lolbin microsoft_visual_cc revoked-cert signed
Link:
https://www.filescan.io/uploads/68c1a7ba732879482925bd5c/reports/46d110cc-cc72-4f90-a8e8-e0337d4f584e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa
Verdict:
Malicious
File Type:
dll x32
First seen:
2025-09-07T11:00:00Z UTC
Last seen:
2025-09-07T11:00:00Z UTC
Hits:
~10
Detections:
Trojan-Downloader.Win32.Agent.sb Trojan-Dropper.Win32.Batut.sb Trojan-Dropper.Win32.Batut.is Backdoor.Win32.Xkcp.a
Link:
https://opentip.kaspersky.com/13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0428361b-f1d5-4a7e-96dd-26a32df4a34a
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1775003
Signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Windows Binaries Write Suspicious Extensions
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1775003 Sample: 8e9tPb7OOj.dll Startdate: 10/09/2025 Architecture: WINDOWS Score: 100 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 4 other signatures 2->64 8 loaddll32.exe 1 2->8         started        process3 process4 10 rundll32.exe 4 6 8->10         started        15 cmd.exe 1 8->15         started        17 conhost.exe 8->17         started        19 rundll32.exe 8->19         started        dnsIp5 56 47.239.93.203, 49721, 49723, 49729 CHARTER-20115US United States 10->56 50 C:\Users\user\AppData\Local\updated.ps1, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\jincheng.bat, DOS 10->52 dropped 54 C:\Users\user\AppData\Local\Temp\backup.exe, PE32 10->54 dropped 66 System process connects to network (likely due to code injection or exploit) 10->66 68 Found evasive API chain (may stop execution after checking mutex) 10->68 70 Contains functionality to inject threads in other processes 10->70 72 Contains functionality to inject code into remote processes 10->72 21 cmd.exe 1 10->21         started        23 cmd.exe 1 10->23         started        25 cmd.exe 10->25         started        29 8 other processes 10->29 74 Bypasses PowerShell execution policy 15->74 27 rundll32.exe 15->27         started        file6 signatures7 process8 process9 46 28 other processes 21->46 31 powershell.exe 1 23 23->31         started        34 conhost.exe 23->34         started        36 powershell.exe 25->36         started        38 conhost.exe 25->38         started        40 powershell.exe 29->40         started        42 powershell.exe 29->42         started        44 powershell.exe 29->44         started        48 13 other processes 29->48 signatures10 76 Loading BitLocker PowerShell Module 31->76
Score:
22%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa/
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Link:
https://tip.neiki.dev/file/13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-09-07 15:14:00 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cprpmqwfb3h6zsimxbfuqqizpad22u5f44c63eq65jhpzfcspova._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
error
ValleyRAT
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor defense_evasion discovery execution
Link:
https://tria.ge/reports/250910-tz8nxsgj41/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Enumerates processes with tasklist
Command and Scripting Interpreter: PowerShell
Enumerates connected drives
Badlisted process makes network request
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
47.239.93.203:8586
Unpacked files
SH256 hash:
13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa
MD5 hash:
bf31a5bbecc0f2511bfa169114334451
SHA1 hash:
41042bd1d6c3bd6e73c54ded70270ebe976b8d24
Link:
https://www.unpac.me/results/870c3dd1-11c0-4003-ad79-47ceb6c56de1/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/13e2f642c50e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/13e2f642c50ecfecc90cb84b4841197807ad53a5e705ed921eea4efc94527baa

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_KB_CERT_56f008e69a7c4c3feb389c66eaf58259
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_4b0b73ce
Create hunting rule
Author:Elastic Security
Rule name:Windows_Shellcode_Rdi_eee75d2c
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Create hunting rule
Author:Elastic Security
Rule name:win_valley_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/26743/

Comments