MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae. 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
LockBit
Vendor detections: 16
| SHA256 hash: | f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae |
|---|---|
| SHA3-384 hash: | 98f047718f1e20d443fb3e5f4d3a945a314d60777fd3d1131159bf5b126da2072c44b1106a44dd58d7a5c46d612f578f |
| SHA1 hash: | 844e9b219aaecb26de4994a259f822500fb75ae1 |
| MD5 hash: | af9ff037caca1f316e7d05db86dbd882 |
| humanhash: | may-july-carolina-beer |
| File name: | VirusShare_af9ff037caca1f316e7d05db86dbd882 |
| Download: | download sample |
| Signature | LockBit |
| File size: | 883'200 bytes |
| First seen: | 2023-03-27 03:25:55 UTC |
| Last seen: | 2023-03-27 03:26:01 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 24576:DxAf2NuubB6RWspgjuwu7pl4Ha+UmxJH+Q1F:dAfSrWW4g+7Ht+UmxJeW |
| Threatray | 80 similar samples on MalwareBazaar |
| TLSH | T16F155D1997028F56CC13207691FD9DB3A8760730937F0CE66BC466DC82E2FE9636A356 |
| TrID | 34.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 23.4% (.EXE) Win32 Executable (generic) (4505/5/1) 10.7% (.ICL) Windows Icons Library (generic) (2059/9) 10.5% (.EXE) OS/2 Executable (generic) (2029/13) 10.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  petikvx |
| Tags: | lockbit |
Intelligence
File Origin
# of uploads :
2
# of downloads :
317
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LockBIT_F4B0B5EF9DC08D87.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 12:05:34 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Lockbit
Result
Verdict:
Malware
Maliciousness:
Behaviour
Adding an access-denied ACE
Creating a window
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Changing a file
Creating a file
Creating a file in the Program Files subdirectories
Moving a recently created file
Moving a file to the Program Files subdirectory
Searching for synchronization primitives
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Encrypting user's files
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
exploit explorer.exe filecoder lockbit packed razy shell32.dll threat virus
Verdict:
Malicious
Labled as:
Trojan.Generic
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.spre.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Connects to many different private IPs (likely to spread or exploit)
Contains functionality to hide a thread from the debugger
Creates autostart registry keys with suspicious names
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Spreads via windows shares (copies files to share folders)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes a notice file (html or txt) to demand a ransom
Yara detected LockBit ransomware
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.LockBit
Status:
Malicious
First seen:
2021-07-19 16:10:04 UTC
File Type:
PE (Exe)
AV detection:
34 of 37 (91.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 70 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Score:
10/10
Tags:
family:lockbit discovery persistence ransomware
Behaviour
Modifies Control Panel
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Modifies extensions of user files
Creates a large amount of network flows
Lockbit
Unpacked files
SH256 hash:
f3e891a2a39dd948cd85e1c8335a83e640d0987dbd48c16001a02f6b7c1733ae
MD5 hash:
af9ff037caca1f316e7d05db86dbd882
SHA1 hash:
844e9b219aaecb26de4994a259f822500fb75ae1
Detections:
win_lockbit_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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: | INDICATOR_SUSPICIOUS_USNDeleteJournal |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing anti-forensic artifcats of deletiing USN change journal. Observed in ransomware |
| Rule name: | Lockbit |
|---|---|
| Author: | kevoreilly |
| Description: | Lockbit Payload |
| Rule name: | Lockbit2_Jul21 |
|---|---|
| Author: | CB @ ATR |
| Description: | simple rule to detect latest Lockbit ransomware Jul 2021 |
| Rule name: | lockbitrule |
|---|---|
| Author: | anonymous |
| Description: | all good scripts include rigorous documentation - literally no one |
| Rule name: | MAL_EXE_LockBit_v2 |
|---|---|
| Author: | Silas Cutler, modified by Florian Roth |
| Description: | Detection for LockBit version 2.x from 2011 |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | Windows_Ransomware_Lockbit_89e64044 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Ransomware_Lockbit_a1c60939 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_lockbit_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.lockbit. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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