MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08b11fda834285a04260db00a11055b7e2a6c328a6e4f49735811242810f01aa. 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: 13


Intelligence 13 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08b11fda834285a04260db00a11055b7e2a6c328a6e4f49735811242810f01aa
SHA3-384 hash: 12d98d75b588b873193cf72debddabfc97e2b9ea4607a2d2aceaa8a57172c72c12ad465d2c724c278e33f359ec598285
SHA1 hash: af522f6ae79ac2f8038557df8daf64a7581336dd
MD5 hash: 34267d1aef18b5a3597f4ea11a4056f0
humanhash: neptune-oxygen-missouri-september
File name:34267D1AEF18B5A3597F4EA11A4056F0.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:50'345'126 bytes
First seen:2025-08-05 19:50:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 483f0c4259a9148c34961abbda6146c1 (20 x ValleyRAT, 8 x AsyncRAT, 7 x QuasarRAT)
ssdeep 1572864:hUbJET4faPvkaQhC6n/keY6AsfU2uwMVJ3mr23z1fBi0W:hc2VPv2nTHAsfruLX3mr0z1Y0
TLSH T10AB73372BB57D5B1E40710F4D1369C1FAE153B8458EC302A2CB6E3BE02B9C9A9E7456C
TrID 82.2% (.EXE) Inno Setup installer (107240/4/30)
8.0% (.EXE) Win64 Executable (generic) (10522/11/4)
3.4% (.EXE) Win32 Executable (generic) (4504/4/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.5% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon f08e96333b9bcaf4 (4 x ValleyRAT)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
137.220.153.69:8880

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
137.220.153.69:8880 https://threatfox.abuse.ch/ioc/1564600/

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
34267D1AEF18B5A3597F4EA11A4056F0.exe
Verdict:
Malicious activity
Analysis date:
2025-08-05 20:06:45 UTC
Tags:
vmprotect winos valleyrat rat silverfox
Link:
https://app.any.run/tasks/c7d17d53-e54b-40aa-af66-2252d0b280a1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6892611a1e8a59ee04e5e732
Tags:
vmprotect shellcode dropper blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Moving a recently created file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a process with a hidden window
DNS request
Connection attempt
Delayed reading of the file
Launching a process
Creating a service
Launching a service
Loading a system driver
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Enabling autorun for a service
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embarcadero_delphi fingerprint installer invalid-signature obfuscated overlay packed packed packer_detected signed
Link:
https://www.filescan.io/uploads/689260db9ef4d2ff7cec77f5/reports/c510c88b-7c07-4351-b6b8-453fb0c3fbe0/overview
Verdict:
Suspicious
Labled as:
TR/AVI.Agent
Link:
https://www.hybrid-analysis.com/sample/08b11fda834285a04260db00a11055b7e2a6c328a6e4f49735811242810f01aa
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1750832
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Changes security center settings (notifications, updates, antivirus, firewall)
Detected potential unwanted application
Detected VMProtect packer
Drops password protected ZIP file
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample is not signed and drops a device driver
Sigma detected: Execution from Suspicious Folder
Sigma detected: Parent in Public Folder Suspicious Process
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750832 Sample: pGdVGloi74.exe Startdate: 05/08/2025 Architecture: WINDOWS Score: 100 112 knoeyyrt.com 2->112 114 sx-img-ipv4.volcgtm.com 2->114 116 3 other IPs or domains 2->116 120 Suricata IDS alerts for network traffic 2->120 122 Antivirus detection for dropped file 2->122 124 Multi AV Scanner detection for dropped file 2->124 126 12 other signatures 2->126 11 pGdVGloi74.exe 2 2->11         started        14 svchost.exe 2->14         started        17 svchost.exe 2->17         started        20 6 other processes 2->20 signatures3 process4 dnsIp5 96 C:\Users\user\AppData\...\pGdVGloi74.tmp, PE32 11->96 dropped 22 pGdVGloi74.tmp 11 11->22         started        152 Changes security center settings (notifications, updates, antivirus, firewall) 14->152 25 MpCmdRun.exe 14->25         started        108 127.0.0.1 unknown unknown 17->108 file6 signatures7 process8 file9 86 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 22->86 dropped 88 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 22->88 dropped 90 C:\ProgramData\WindowsData\unzip.exe (copy), PE32 22->90 dropped 92 3 other malicious files 22->92 dropped 27 men.exe 12 22->27         started        31 unzip.exe 2 22->31         started        33 setup.exe 1 9 22->33         started        36 conhost.exe 25->36         started        process10 dnsIp11 98 C:\Users\Public\Documents\...\rwdriver.sys, PE32+ 27->98 dropped 100 C:\Users\Public\Documents\...\main.exe, PE32+ 27->100 dropped 102 C:\Users\Public\Documents\...\log.dll, PE32 27->102 dropped 106 5 other malicious files 27->106 dropped 144 Multi AV Scanner detection for dropped file 27->144 146 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 27->146 148 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->148 150 Sample is not signed and drops a device driver 27->150 38 NtHandleCallback.exe 3 1 27->38         started        43 main.exe 27->43         started        45 powershell.exe 27->45         started        49 7 other processes 27->49 104 C:\ProgramData\WindowsData\men.exe, PE32+ 31->104 dropped 47 conhost.exe 31->47         started        110 sx-img-ipv4.volcgtm.com 123.6.122.133, 443, 49683 CHINA169-BACKBONECHINAUNICOMChina169BackboneCN China 33->110 file12 signatures13 process14 dnsIp15 118 knoeyyrt.com 137.220.153.69, 49687, 49688, 49696 BCPL-SGBGPNETGlobalASNSG Singapore 38->118 94 C:\Cndom6.sys, PE32+ 38->94 dropped 130 Suspicious powershell command line found 38->130 132 Bypasses PowerShell execution policy 38->132 134 Adds a directory exclusion to Windows Defender 38->134 136 Sample is not signed and drops a device driver 38->136 51 powershell.exe 19 38->51         started        54 powershell.exe 38->54         started        56 powershell.exe 38->56         started        66 41 other processes 38->66 138 Antivirus detection for dropped file 43->138 140 Multi AV Scanner detection for dropped file 43->140 58 conhost.exe 43->58         started        142 Loading BitLocker PowerShell Module 45->142 60 conhost.exe 45->60         started        62 conhost.exe 49->62         started        64 conhost.exe 49->64         started        68 11 other processes 49->68 file16 signatures17 process18 signatures19 128 Loading BitLocker PowerShell Module 51->128 70 conhost.exe 51->70         started        72 conhost.exe 54->72         started        74 conhost.exe 56->74         started        76 conhost.exe 62->76         started        78 conhost.exe 66->78         started        80 conhost.exe 66->80         started        82 conhost.exe 66->82         started        84 35 other processes 66->84 process20
Score:
6%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/08b11fda834285a04260db00a11055b7e2a6c328a6e4f49735811242810f01aa
Gathering data
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-08-02 21:10:43 UTC
File Type:
PE (Exe)
Extracted files:
361
AV detection:
9 of 37 (24.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bcyr7wudikc2aqta3makcecvw7rknqziu3spjfzvqejefaipagva._file
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor defense_evasion discovery execution exploit persistence
Link:
https://tria.ge/reports/250805-yk91na1nv4/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Launches sc.exe
Enumerates connected drives
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
Indicator Removal: File Deletion
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Possible privilege escalation attempt
Stops running service(s)
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
knoeyyrt.com:8880
127.0.0.1:80
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9dc00ffd-9566-4e76-a9bb-98a8622f2e80
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/08b11fda8342/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/08b11fda834285a04260db00a11055b7e2a6c328a6e4f49735811242810f01aa

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:Borland
Create hunting rule
Author:malware-lu
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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_01ea62e443cb2250c870ff6bb13ba98e
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceW
kernel32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetFileAttributesW
kernel32.dll::FindFirstFileW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

Comments