MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 104085338277a88eabe79aa3da83fd6e5adb5cfcea14d8f6947e119ee9347ea2. 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 YARA 18 File information Comments

SHA256 hash: 104085338277a88eabe79aa3da83fd6e5adb5cfcea14d8f6947e119ee9347ea2
SHA3-384 hash: 73b4890ddae51900e34740ec3782fa5bcc4ff964d5dccc2c3b96a9904dadf88f66191e3d133ba9422972d995abf2031f
SHA1 hash: 840a07b0b66d3b8836b37fcb64f0e51ee64ab641
MD5 hash: 76b14fef9dd58f8ac2494fd596607058
humanhash: double-salami-washington-indigo
File name:Hg0R.exe
Download: download sample
Signature ValleyRAT
File size:1'217'180 bytes
First seen:2025-06-07 15:07:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'472 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:cnvSXV6xYRL8ZcehW3pAbaKryJKQq5rRPVYDQ7XsyiQIFCT6A5CQMHn6G3ySnHN:cveV6xYd8Ce4vwyJKQq5rDYDtFCuMCQW
Threatray 345 similar samples on MalwareBazaar
TLSH T136452342FE8341B1F17A89B54F12DD384E7B7E6926F8531C219DBED88F321A0D4152AB
TrID 76.2% (.EXE) Inno Setup installer (107240/4/30)
10.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon c00e332323390dc0 (3 x ValleyRAT, 1 x Sality, 1 x ResolverRAT)
Reporter aachum
Tags:exe ValleyRAT winos

Intelligence


File Origin
# of uploads :
1
# of downloads :
482
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kuaiVpn-t.exe
Verdict:
Malicious activity
Analysis date:
2025-06-07 15:07:35 UTC
Tags:
valleyrat winos rat silverfox

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
dropper emotet extens virus
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
Restart of the analyzed sample
Creating a process with a hidden window
Searching for synchronization primitives
Creating a file
Moving a recently created file
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
Connection attempt
Sending a custom TCP request
Enabling autorun by creating a file
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
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 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 submitted file
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 ValleyRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1708950 Sample: Hg0R.exe Startdate: 07/06/2025 Architecture: WINDOWS Score: 100 63 Suricata IDS alerts for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 4 other signatures 2->69 12 Hg0R.exe 2 2->12         started        15 regsvr32.exe 2->15         started        process3 file4 57 C:\Users\user\AppData\Local\Temp\...\Hg0R.tmp, PE32 12->57 dropped 17 Hg0R.tmp 3 6 12->17         started        process5 file6 41 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 17->41 dropped 43 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 17->43 dropped 45 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 17->45 dropped 20 Hg0R.exe 2 17->20         started        process7 file8 47 C:\Users\user\AppData\Local\Temp\...\Hg0R.tmp, PE32 20->47 dropped 23 Hg0R.tmp 20 8 20->23         started        process9 file10 49 C:\Users\user\AppData\...\is-A4BBA.tmp, PE32+ 23->49 dropped 51 C:\...\WinUpdate-Client-Auth_v8.p12 (copy), PE32+ 23->51 dropped 53 C:\Users\user\AppData\...\unins000.exe (copy), PE32 23->53 dropped 55 4 other files (none is malicious) 23->55 dropped 26 regsvr32.exe 23->26         started        process11 process12 28 regsvr32.exe 10 2 26->28         started        dnsIp13 59 182.16.26.210, 49691, 49692, 56104 NETSEC-HKNETSECHK Hong Kong 28->59 71 System process connects to network (likely due to code injection or exploit) 28->71 73 Found evasive API chain (may stop execution after checking mutex) 28->73 75 Found stalling execution ending in API Sleep call 28->75 77 4 other signatures 28->77 32 powershell.exe 37 28->32         started        35 powershell.exe 36 28->35         started        signatures14 process15 signatures16 61 Loading BitLocker PowerShell Module 32->61 37 conhost.exe 32->37         started        39 conhost.exe 35->39         started        process17
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2025-06-07 15:08:19 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Checks installed software on the system
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
104085338277a88eabe79aa3da83fd6e5adb5cfcea14d8f6947e119ee9347ea2
MD5 hash:
76b14fef9dd58f8ac2494fd596607058
SHA1 hash:
840a07b0b66d3b8836b37fcb64f0e51ee64ab641
SH256 hash:
94806e114d209e432e7d0f37990a6fbb8180f1988bf8c0f9a5871728e469799d
MD5 hash:
a9f296312352cc509bf0e5b6deb3c8a3
SHA1 hash:
4775464f3911a6fe090b20aebb132afe818b291b
SH256 hash:
a4c86fc4836ac728d7bd96e7915090fd59521a9e74f1d06ef8e5a47c8695fd81
MD5 hash:
4ff75f505fddcc6a9ae62216446205d9
SHA1 hash:
efe32d504ce72f32e92dcf01aa2752b04d81a342
SH256 hash:
4dc09bac0613590f1fac8771d18af5be25a1e1cb8fdbf4031aa364f3057e74a2
MD5 hash:
0ee914c6f0bb93996c75941e1ad629c6
SHA1 hash:
12e2cb05506ee3e82046c41510f39a258a5e5549
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
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: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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Indicator_MiniDumpUsage
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
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:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:ScanStringsInsocks5systemz
Author:Byambaa@pubcert.mn
Description:Scans presence of the found strings using the in-house brute force method
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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:ValleyRAT
Author:NDA0E
Description:Detects ValleyRAT
Rule name:Windows_Trojan_Donutloader_f40e3759
Author:Elastic Security

File information


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

Web download

ValleyRAT

Executable exe 104085338277a88eabe79aa3da83fd6e5adb5cfcea14d8f6947e119ee9347ea2

(this sample)

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::CreateProcessA
advapi32.dll::OpenProcessToken
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetFileAttributesA
kernel32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageA
user32.dll::CreateWindowExA

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