MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896. 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


Lynx


Vendor detections: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896
SHA3-384 hash: 438986a32b8bd5152f4ad4a063870173378f49973cc4026ec6c5c627d621c132d323843e9d27739b600182735b076b7c
SHA1 hash: 01376fdcbd0e2063836ec2b075241587d7a56cdb
MD5 hash: 14a0ecf45aa72adb2b1f2ccca99f6faa
humanhash: mango-red-uncle-summer
File name:9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896
Download: download sample
Signature Lynx
Create hunting rule
File size:168'960 bytes
First seen:2024-11-07 14:20:01 UTC
Last seen:2025-02-22 06:22:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a3e246a3ed32956565b5e5430d2ed15 (4 x INC, 2 x Lynx)
ssdeep 3072:l7v9etA6pzarOLgSua/iw6kzgm0Ip1qHlBxpN/FaV0jZB6SbFW2CT75I8Buowhvg:ljm0IpqlBxpN/Fd5bFWLT7mM7wMF3+k1
Threatray 3 similar samples on MalwareBazaar
TLSH T1E7F37C59B3D08076E577183109F4DAF5A97EBC301F10A89BBB8047766E31AD39634B2B
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter adrian__luca
Tags:exe Lynx

Intelligence

File Origin
# of uploads :
3
# of downloads :
368
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896
Verdict:
Malicious activity
Analysis date:
2024-11-07 15:54:36 UTC
Tags:
lynx ransomware
Link:
https://app.any.run/tasks/fef0209d-49ce-4b1f-87cc-37be8f3e7053

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Encoder.41200.9256.5405.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672ccccd8d23d9049134f44c
Tags:
ransomware exploit blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Changing a file
Moving a recently created file
Replacing files
Modifies multiple files
Reading critical registry keys
Creating a file in the %temp% directory
Launching a service
Creating a window
Creating a file in the system32 subdirectories
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 filecoder microsoft_visual_cc ransomware rijndael
Link:
https://www.filescan.io/uploads/672cccb283eea00c65720afa/reports/8813fb6f-c584-46f9-b076-ac8fb8026c63/overview
Verdict:
Malicious
Labled as:
Ransom.Imps.Generic
Link:
https://www.hybrid-analysis.com/sample/9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d191eba8-e94e-4ec5-b0f0-2a916b4e69a7
Result
Threat name:
Lynx
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1551201
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1551201 Sample: 7wuLe3u0ln.exe Startdate: 07/11/2024 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 7wuLe3u0ln.exe 408 2->6         started        10 ONENOTE.EXE 2->10         started        12 onenoteim.exe 50 26 2->12         started        14 FXSSVC.exe 18 6 2->14         started        process3 file4 20 C:\ProgramData\...\mpavdlta.vdm.LYNX (copy), data 6->20 dropped 22 C:\ProgramData\Microsoft\...\mpavdlta.vdm, data 6->22 dropped 24 C:\ProgramData\...\mpavbase.vdm.LYNX (copy), OpenPGP 6->24 dropped 26 126 other files (122 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 6 27 10->18         started        signatures5 process6
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896/
Threat name:
Win32.Ransomware.Lynxransom
Create hunting rule
Status:
Malicious
First seen:
2024-10-26 00:19:00 UTC
File Type:
PE (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tjd2wj6vbxy7voq5yv3xxxh76v3ferbexrfdgzgtgjt3xt4khcla._file
Verdict:
malicious
Label(s):
rtmlocker
Create hunting rule
Similar samples:
9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896
Lynx
d5ca3e0e25d768769e4afda209aca1f563768dae79571a38e3070428f8adf031
Lynx
error
Lynx
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery ransomware stealer
Link:
https://tria.ge/reports/241107-rnhx1swmhr/
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 (375) files with added filename extension
Verdict:
Suspicious
Tags:
ransomware
YARA:
Inc MAL_RANSOM_INC_Aug24
Link:
https://app.threat.zone/submission/e6f300a0-9b08-4d4b-9650-b1ffb8c0fea9
Unpacked files
SH256 hash:
9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896
MD5 hash:
14a0ecf45aa72adb2b1f2ccca99f6faa
SHA1 hash:
01376fdcbd0e2063836ec2b075241587d7a56cdb
Link:
https://www.unpac.me/results/5d3484ce-eca4-4ff0-8f12-0eb1c72be71d/
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/9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896

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
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:MAL_RANSOM_INC_Aug24
Create hunting rule
Author:X__Junior
Description:Detects INC ransomware and it's variants like Lynx
Rule name:SHA512_Constants
Create hunting rule
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.

Malspam

Lynx

Executable exe 9a47ab27d50df1faba1dc5777bdcfff576524424bc4a3364d33267bbcf8a3896

(this sample)

  
Delivery method
Distributed via e-mail attachment

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::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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