MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fef1f9664fde9b23754c691b15a05fdc35a51a0ceb8a18fb9a5a0166e6377c69. 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: 15
| SHA256 hash: | fef1f9664fde9b23754c691b15a05fdc35a51a0ceb8a18fb9a5a0166e6377c69 |
|---|---|
| SHA3-384 hash: | 22b4900284d92d6abc5347a8ad41f000ede13892495196b4b3ba2c693532f72542522e055d8988dc58bb8ef1b37d13e7 |
| SHA1 hash: | 6eda5da62e5073a67ff89dd89b85328dd2df73d1 |
| MD5 hash: | 41687e58130c8bdca248e1403e565afb |
| humanhash: | river-louisiana-alpha-india |
| File name: | sample2.exe |
| Download: | download sample |
| Signature | LockBit |
| File size: | 982'528 bytes |
| First seen: | 2023-02-25 04:12:10 UTC |
| Last seen: | 2023-05-23 16:52:43 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 216df81b1ef7bc2aa8ec52bbeef137c9 (38 x LockBit) |
| ssdeep | 24576:TLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdAF:Pjrc2So1Ff+B3k796W |
| Threatray | 75 similar samples on MalwareBazaar |
| TLSH | T14F253A0593018F96C813207951FE8DB3A877073192BF1CE6A78466DC83B2FA5776B366 |
| TrID | 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4505/5/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  adamkadaban |
| Tags: | exe lockbit |
Intelligence
File Origin
# of uploads :
4
# of downloads :
438
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sample2.exe
Verdict:
Malicious activity
Analysis date:
2023-02-25 04:17:03 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 file to the Program Files subdirectory
Moving a recently created file
Modifying an executable file
Sending a custom TCP request
Replacing files
Searching for synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a service
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Preventing system recovery
Encrypting user's files
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm cmd.exe evasive exploit explorer.exe filecoder lockbit obfuscated ransomware shell32.dll windows
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
Conti, 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)
Connects to many different private IPs via SMB (likely to spread or exploit)
Contains functionality to hide a thread from the debugger
Creates autostart registry keys with suspicious names
Delayed program exit found
Deletes shadow drive data (may be related to ransomware)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Delete shadow copy via WMIC
Spreads via windows shares (copies files to share folders)
Uses bcdedit to modify the Windows boot settings
Writes a notice file (html or txt) to demand a ransom
Yara detected Conti ransomware
Yara detected LockBit ransomware
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.LockBit
Status:
Malicious
First seen:
2023-02-23 00:58:13 UTC
File Type:
PE (Exe)
AV detection:
35 of 39 (89.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 65 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Score:
10/10
Tags:
family:lockbit discovery evasion persistence ransomware
Behaviour
Interacts with shadow copies
Modifies Control Panel
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
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
Deletes itself
Modifies extensions of user files
Creates a large amount of network flows
Deletes shadow copies
Modifies boot configuration data using bcdedit
Lockbit
Process spawned unexpected child process
Unpacked files
SH256 hash:
fef1f9664fde9b23754c691b15a05fdc35a51a0ceb8a18fb9a5a0166e6377c69
MD5 hash:
41687e58130c8bdca248e1403e565afb
SHA1 hash:
6eda5da62e5073a67ff89dd89b85328dd2df73d1
Detections:
win_lockbit_auto
Verdict:
Malicious
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_RegKeyComb_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features |
| 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: | 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: | RAN_Lockbit_Dec_2021_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect Lockbit ransomware |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_URL_in_EXE |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | SUSP_XORed_URL_in_EXE_RID2E46 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | Win32_Ransomware_LockBit |
|---|---|
| Author: | ReversingLabs |
| Description: | Yara rule that detects LockBit ransomware. |
| 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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