MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65a4681662b077391d444ff1e48c7264c3ded06099ddd135487543b6f6e8245a. 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 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65a4681662b077391d444ff1e48c7264c3ded06099ddd135487543b6f6e8245a
SHA3-384 hash: 35940cdb052a28a2fdd99ebfebb7bf195d75ec908d217e16f16e482db2904515376e1d3226faa691ebd2e23be644017a
SHA1 hash: 051c9e10bc8a1ac9f6a462feabc146409829dd9c
MD5 hash: 3ac9a3bf07dc2b827d8a30e234635b0c
humanhash: cat-network-august-oscar
File name:3ac9a3bf07dc2b827d8a30e234635b0c.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:2'172'944 bytes
First seen:2025-05-31 04:25:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash efd455830ba918de67076b7c65d86586 (59 x Gh0stRAT, 19 x ValleyRAT, 6 x OffLoader)
ssdeep 49152:XxXXm66OSuBPBTDL/v926hBB5IhW4w9rs:XxHXS6TDrv926hBBUyw
Threatray 180 similar samples on MalwareBazaar
TLSH T1B4A5D017B2CB653FF0BE4A364A77D212583B7B6165128C6797E8086CCF2A0D41E3F646
TrID 60.0% (.EXE) Inno Setup installer (107240/4/30)
23.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
5.8% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon d0d0c0e0e0f0b2b0 (7 x ValleyRAT, 2 x SliverFox, 1 x SilverFox)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
182.16.87.154:10241

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
182.16.87.154:10241 https://threatfox.abuse.ch/ioc/1537608/

Intelligence

File Origin
# of uploads :
1
# of downloads :
752
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3ac9a3bf07dc2b827d8a30e234635b0c.exe
Verdict:
Malicious activity
Analysis date:
2025-05-31 04:26:25 UTC
Tags:
valleyrat winos rat silverfox
Link:
https://app.any.run/tasks/c3d74eca-ce3e-4d72-8eaa-26e138906eb6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/6491/
Detection(s):
SecuriteInfo.com.FileRepMalware.18022.29417.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683a860aacf88f5815e969cf
Tags:
emotet extens spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Launching a process
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
Creating a file
Connection attempt
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/65a4681662b077391d444ff1e48c7264c3ded06099ddd135487543b6f6e8245a
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/43c0c1fa-b3fd-4024-ae98-93490de5d207
Result
Threat name:
GhostRat, ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1702830
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found malware configuration
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sets debug register (to hijack the execution of another thread)
Sigma detected: Potentially Suspicious Child Process Of Regsvr32
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Yara detected GhostRat
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1702830 Sample: rUST06XEyR.exe Startdate: 31/05/2025 Architecture: WINDOWS Score: 100 57 Suricata IDS alerts for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 7 other signatures 2->63 12 rUST06XEyR.exe 2 2->12         started        15 regsvr32.exe 2->15         started        process3 file4 51 C:\Users\user\AppData\...\rUST06XEyR.tmp, PE32 12->51 dropped 17 rUST06XEyR.tmp 3 4 12->17         started        process5 file6 41 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 17->41 dropped 20 rUST06XEyR.exe 2 17->20         started        process7 file8 43 C:\Users\user\AppData\...\rUST06XEyR.tmp, PE32 20->43 dropped 23 rUST06XEyR.tmp 3 4 20->23         started        process9 file10 45 C:\Users\user\AppData\...\is-4DU5Q.tmp, PE32+ 23->45 dropped 47 Windows_Patch_Dist...t_MiTl7L.p12 (copy), PE32+ 23->47 dropped 49 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 23->49 dropped 26 regsvr32.exe 23->26         started        process11 process12 28 regsvr32.exe 3 1 26->28         started        dnsIp13 53 182.16.87.154, 10241, 49721, 49722 NETSEC-HKNETSECHK Hong Kong 28->53 65 System process connects to network (likely due to code injection or exploit) 28->65 67 Found stalling execution ending in API Sleep call 28->67 69 Contains functionality to inject threads in other processes 28->69 71 4 other signatures 28->71 32 powershell.exe 37 28->32         started        35 powershell.exe 28->35         started        signatures14 process15 signatures16 55 Loading BitLocker PowerShell Module 32->55 37 conhost.exe 32->37         started        39 conhost.exe 35->39         started        process17
Score:
64%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/65a4681662b077391d444ff1e48c7264c3ded06099ddd135487543b6f6e8245a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65a4681662b077391d444ff1e48c7264c3ded06099ddd135487543b6f6e8245a/
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-05-27 10:42:59 UTC
File Type:
PE (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mwsgqftcwb3tshkej7y6jddsmtb55udatho5cnkiovb3n5xierna._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
1d8a948214daf64f3b0b9b894ee8b18dbf9164e54238d8ef88f9372cd03ce3ce
ValleyRAT
5a255dfa2a938f47ac098bd54e7cfd3e1e0ba5d494bf45898e2e32c6738f3be6
ValleyRAT
608fec3b189bf7b3bd07f2d30071335b6aa3f497ce385f6e097aa901ea451b4e
ValleyRAT
97977a53c121eb7fb4d52c47c29f9266ae3e5ea0e795940ec7f2047d8db49d26
ValleyRAT
a57eb3572a3934d993b048537aac353ad6da21931de075167b68bbd59623ac24
ValleyRAT
error
ValleyRAT
+ 170 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250531-e2ljvadk4y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/daacdddb-f5b8-43ec-9a7a-2992afdf0a10
Unpacked files
SH256 hash:
65a4681662b077391d444ff1e48c7264c3ded06099ddd135487543b6f6e8245a
MD5 hash:
3ac9a3bf07dc2b827d8a30e234635b0c
SHA1 hash:
051c9e10bc8a1ac9f6a462feabc146409829dd9c
Link:
https://www.unpac.me/results/757d2788-d6a8-483e-bde3-dba67caf5ffb/
SH256 hash:
5808695468bfeeb7c6ea32df1e3733bd59dd9a95883d1c4bd65971b41458c83e
MD5 hash:
e946c0cf0a7d8e7d6f9469f62458fae5
SHA1 hash:
3c9b9b06a5138fdc2627d93fbe2bf800960b02cf
Link:
https://www.unpac.me/results/757d2788-d6a8-483e-bde3-dba67caf5ffb/
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/65a4681662b077391d444ff1e48c7264c3ded06099ddd135487543b6f6e8245a

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ValleyRAT
Create hunting rule
Author:NDA0E
Description:Detects ValleyRAT
Rule name:Windows_Trojan_Donutloader_f40e3759
Create hunting rule
Author:Elastic Security

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/6491/

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::ConvertSidToStringSidW
advapi32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
advapi32.dll::EqualSid
advapi32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetVolumeInformationW
kernel32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
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

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