MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf417c75c8323c2f5b6d99661aac0ccfdb977a020b6c02d0170f1de350c04252. 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 YARA 10 File information Comments

SHA256 hash: cf417c75c8323c2f5b6d99661aac0ccfdb977a020b6c02d0170f1de350c04252
SHA3-384 hash: a6604ba590454e3b89c839ad1e762729748aa9725a781cb4b21ce7b076d7cd8f21b7024d7b75e0cce678e0fbf6896686
SHA1 hash: 51f98a16248f3a05e57277928512d37cc4481bcd
MD5 hash: 4ab14921826b04fbfed2cfd7304e9d94
humanhash: jupiter-romeo-maine-iowa
File name:2025-04-23_4ab14921826b04fbfed2cfd7304e9d94_black-basta_cobalt-strike_lockbit_satacom.exe
Download: download sample
Signature ValleyRAT
File size:538'112 bytes
First seen:2025-04-27 05:40:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 02e48d68f6ecdd5e746e392c3513bbbd (5 x ValleyRAT)
ssdeep 6144:ZCs3DkYlzQmcjoNwgvZjuUIKmrOwgw+xQol0XAD35m0ampO83rvdcmA:I0kY2LjoeuuUQqdjeKQG5+YV
TLSH T131B46C16B3E800F9E9778239C953890AEB737C550720DB9F17A4466A6F237D0AD3E721
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter zhuzhu0009
Tags:exe ValleyRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
412
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2025-04-23_4ab14921826b04fbfed2cfd7304e9d94_black-basta_cobalt-strike_lockbit_satacom
Verdict:
Malicious activity
Analysis date:
2025-04-23 19:26:02 UTC
Tags:
silverfox backdoor auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
dropper emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm evasive eventvwr exploit fingerprint hacktool lolbin microsoft_visual_cc msconfig wsreset
Result
Threat name:
Detection:
malicious
Classification:
expl.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to inject code into remote processes
Found stalling execution ending in API Sleep call
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected UAC Bypass using CMSTP
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.ValleyRat
Status:
Malicious
First seen:
2025-04-22 20:17:03 UTC
File Type:
PE+ (Exe)
Extracted files:
7
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
valleyrat_s2
Score:
  10/10
Tags:
family:valleyrat_s2 persistence
Behaviour
Adds Run key to start application
Malware Config
C2 Extraction:
dachaoba.ydns.eu:6666
127.0.0.1:8888
127.0.0.1:80
Verdict:
Malicious
Tags:
Win.Tool.Ulise-10001984-0
YARA:
n/a
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:ICMLuaUtil_UACMe_M41
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ValleyRAT
Author:NDA0E
Description:Detects ValleyRAT

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipGetImageEncoders
gdiplus.dll::GdipGetImageEncodersSize
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipAlloc
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::WSACloseEvent
WS2_32.dll::WSACreateEvent
WS2_32.dll::WSAEnumNetworkEvents
WS2_32.dll::WSAEventSelect
WS2_32.dll::WSAIoctl
WS2_32.dll::WSAResetEvent
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW

Comments