MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 80908a51e403efd47b1d3689c3fb9447d3fb962d691d856b8b97581eefc0c441. 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



INC


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 80908a51e403efd47b1d3689c3fb9447d3fb962d691d856b8b97581eefc0c441
SHA3-384 hash: adc2333c9d13ab70216855790c27376836f7a839a100f715f2ead32401ccb907c288bf2581749bac56e4f2e7e1d7fb00
SHA1 hash: 3dd215876039ebee144e18ecb84d8702697db94b
MD5 hash: 67a44a38cc36becd6e2e9c20c27fd9ad
humanhash: blossom-delta-arkansas-virginia
File name:80908a51e403efd47b1d3689c3fb9447d3fb962d691d856b8b97581eefc0c441
Download: download sample
Signature INC
File size:168'960 bytes
First seen:2025-01-25 07:44:53 UTC
Last seen:2025-02-22 06:24:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 802aa2c9cad0341ecd56d7f1d7fee1cf (6 x INC)
ssdeep 3072:wX7v95tA6pzarOLgSua/iw6kzg4Y0INK3lBxpNhEFnkjEK6q3FWqGLPxk8NuUI9y:wjZY0IilBxpNhECh3FWLLPywPIzUn+wb
Threatray 7 similar samples on MalwareBazaar
TLSH T1D9F37C58B3E08075E577143219F09AF5A97EB8301F11AC9BBB8047766E21AD39634B3B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:exe INC Lynx Ransomware

Intelligence


File Origin
# of uploads :
2
# of downloads :
595
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svhost.exe
Verdict:
Malicious activity
Analysis date:
2025-01-20 04:47:52 UTC
Tags:
lynx ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Changing a file
Replacing files
Modifies multiple files
Reading critical registry keys
Creating a file in the %temp% directory
Launching a service
Creating a file in the system32 subdirectories
Creating a window
Creating a file in the mass storage device
Stealing user critical data
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto inc microsoft_visual_cc ransomware
Result
Threat name:
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Changes the wallpaper picture
Contains functionalty to change the wallpaper
Document exploit detected (process start blacklist hit)
Found potential ransomware demand text
Found ransom note / readme
Found Tor onion address
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Writes many files with high entropy
Yara detected Lynx Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1599199 Sample: L4Nu978hjv.exe Startdate: 25/01/2025 Architecture: WINDOWS Score: 100 28 Antivirus detection for URL or domain 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 6 other signatures 2->34 6 L4Nu978hjv.exe 541 2->6         started        10 ONENOTE.EXE 2->10         started        12 FXSSVC.exe 18 6 2->12         started        14 onenoteim.exe 2->14         started        process3 file4 20 C:\...\mpuxagent.dll.mui.LYNX (copy), data 6->20 dropped 22 C:\ProgramData\...\mpuxagent.dll.mui, data 6->22 dropped 24 C:\...\mpuxagent.dll.mui.LYNX (copy), data 6->24 dropped 26 144 other files (138 malicious) 6->26 dropped 36 Contains functionalty to change the wallpaper 6->36 38 Found potential ransomware demand text 6->38 40 Found Tor onion address 6->40 42 3 other signatures 6->42 16 conhost.exe 6->16         started        18 OfficeC2RClient.exe 57 25 10->18         started        signatures5 process6
Threat name:
Win32.Ransomware.Lynx
Status:
Malicious
First seen:
2025-01-14 16:53:16 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery ransomware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Sets desktop wallpaper using registry
Enumerates connected drives
Credentials from Password Stores: Windows Credential Manager
Renames multiple (383) files with added filename extension
Verdict:
Suspicious
Tags:
ransomware
YARA:
Inc MAL_RANSOM_INC_Aug24
Unpacked files
SH256 hash:
80908a51e403efd47b1d3689c3fb9447d3fb962d691d856b8b97581eefc0c441
MD5 hash:
67a44a38cc36becd6e2e9c20c27fd9ad
SHA1 hash:
3dd215876039ebee144e18ecb84d8702697db94b
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MAL_RANSOM_INC_Aug24
Author:X__Junior
Description:Detects INC ransomware and it's variants like Lynx
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::SetEntriesInAclW
ADVAPI32.dll::SetNamedSecurityInfoW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeW
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::SetVolumeMountPointW
KERNEL32.dll::GetVolumePathNamesForVolumeNameW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptGenRandom
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetEnumResourceW
MPR.dll::WNetOpenEnumW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ControlService
ADVAPI32.dll::EnumDependentServicesW
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceStatusEx

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