MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74437ac6c9f630c52c7e230d57d38c4cbc3affb3bec9215f090a0e3dca8e9d78. 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


Intelligence 15 IOCs YARA 15 File information Comments

SHA256 hash: 74437ac6c9f630c52c7e230d57d38c4cbc3affb3bec9215f090a0e3dca8e9d78
SHA3-384 hash: 9c9c69273fe5dfeb7401902337d97bef007a4a8f7ad6d50aa0219faf4c03d473f5bf13a0fe9f396ed266509c2e47dffa
SHA1 hash: dde3509b41639f4ae7383bcd7b1c17db88b667cf
MD5 hash: e9cd8c321b68118611a0863b0b91b8f5
humanhash: failed-east-seventeen-monkey
File name:2023-02-12_e9cd8c321b68118611a0863b0b91b8f5_lockbit
Download: download sample
Signature LockBit
File size:982'528 bytes
First seen:2023-02-13 05:19:28 UTC
Last seen:2023-02-14 04:57:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 216df81b1ef7bc2aa8ec52bbeef137c9 (38 x LockBit)
ssdeep 24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdAF:Ujrc2So1Ff+B3k796W
Threatray 71 similar samples on MalwareBazaar
TLSH T150253A0593018F96C813207951FE8DB3A877073192BF1CE6A78466DC83B2FA5776B366
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 petikvx
Tags:lockbit

Intelligence


File Origin
# of uploads :
2
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-02-12_e9cd8c321b68118611a0863b0b91b8f5_lockbit
Verdict:
Malicious activity
Analysis date:
2023-02-13 05:20:42 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Adding an access-denied ACE
Creating a window
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Changing a file
Creating a file
Replacing files
Creating a file in the Program Files subdirectories
Moving a recently created file
Moving a file to the Program Files subdirectory
Modifying an executable file
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
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 lockbit obfuscated shell32.dll
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 potential ransomware demand text
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 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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 805798 Sample: acut44jRl1.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 10 other signatures 2->59 8 acut44jRl1.exe 8 507 2->8         started        13 acut44jRl1.exe 2->13         started        15 acut44jRl1.exe 2->15         started        process3 dnsIp4 41 192.168.2.100 unknown unknown 8->41 43 192.168.2.101 unknown unknown 8->43 45 98 other IPs or domains 8->45 33 C:\...\Restore-My-Files.txt, ASCII 8->33 dropped 35 C:\...\Restore-My-Files.txt, ASCII 8->35 dropped 37 C:\...\Restore-My-Files.txt, ASCII 8->37 dropped 39 17 other files (7 malicious) 8->39 dropped 61 Connects to many different private IPs via SMB (likely to spread or exploit) 8->61 63 Connects to many different private IPs (likely to spread or exploit) 8->63 65 Creates autostart registry keys with suspicious names 8->65 69 7 other signatures 8->69 17 cmd.exe 1 8->17         started        67 Hides threads from debuggers 13->67 file5 signatures6 process7 signatures8 47 May disable shadow drive data (uses vssadmin) 17->47 49 Deletes shadow drive data (may be related to ransomware) 17->49 51 Uses bcdedit to modify the Windows boot settings 17->51 20 vssadmin.exe 1 17->20         started        22 bcdedit.exe 8 1 17->22         started        24 bcdedit.exe 7 1 17->24         started        26 2 other processes 17->26 process9 process10 28 acut44jRl1.exe 20->28         started        31 acut44jRl1.exe 20->31         started        signatures11 71 Hides threads from debuggers 28->71
Threat name:
Win32.Ransomware.LockBit
Status:
Malicious
First seen:
2023-02-12 13:59:00 UTC
File Type:
PE (Exe)
AV detection:
35 of 39 (89.74%)
Threat level:
  5/5
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 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
Deletes itself
Modifies extensions of user files
Creates a large amount of network flows
Deletes shadow copies
Modifies boot configuration data using bcdedit
Lockbit
Unpacked files
SH256 hash:
74437ac6c9f630c52c7e230d57d38c4cbc3affb3bec9215f090a0e3dca8e9d78
MD5 hash:
e9cd8c321b68118611a0863b0b91b8f5
SHA1 hash:
dde3509b41639f4ae7383bcd7b1c17db88b667cf
Detections:
win_lockbit_auto
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: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.

Comments