MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bb152c96ba9e25f293bbc03c607918a4452231087053a8cb1a8accb1acc92fd. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bb152c96ba9e25f293bbc03c607918a4452231087053a8cb1a8accb1acc92fd
SHA3-384 hash: b4d4e31c89feba51c3d291e6f03ce2ad69aae8532eb703406ff28de3e70c15cd55168e9acb0587bcb8b03273c26e48e3
SHA1 hash: 12ac32d012e818c78d6db790f6e11838ca75db88
MD5 hash: b0916724ff4118bf213e31cd198c0afd
humanhash: california-lemon-bakerloo-sink
File name:4bb152c96ba9e25f293bbc03c607918a4452231087053a8cb1a8accb1acc92fd
Download: download sample
Signature LockBit
Create hunting rule
File size:982'528 bytes
First seen:2021-08-04 12:35:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 216df81b1ef7bc2aa8ec52bbeef137c9 (38 x LockBit)
ssdeep 24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdKF:Ujrc2So1Ff+B3k796U
Threatray 2 similar samples on MalwareBazaar
TLSH T1FD253A0593018F96C813207951FE8DB3A877073192BF1CE6A78466DC83B2FA5776B366
Reporter JAMESWT_WT
Tags:exe lockbit Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4bb152c96ba9e25f293bbc03c607918a4452231087053a8cb1a8accb1acc92fd
Verdict:
Malicious activity
Analysis date:
2021-08-04 12:36:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ede68b3a-7576-4c51-bef8-f9046b4ad59d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
LockBit
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176318/
Detection(s):
Win.Trojan.Obfus-43
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Creating a window
Changing a file
Creating a file
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying an executable file
Running batch commands
Creating a process with a hidden window
Launching a service
Connection attempt
Launching a process
Sending a UDP request
Reading critical registry keys
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
Stealing user critical data
Encrypting user's files
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/35475ceb-e537-415e-a6d9-c3f82b3bf8cf
Result
Threat name:
LockBit ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.spre.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826834
Signature
Antivirus / Scanner detection for submitted sample
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
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Modification of Boot Configuration
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: WannaCry Ransomware
Spreads via windows shares (copies files to share folders)
Uses bcdedit to modify the Windows boot settings
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 459267 Sample: sgxnPm6jiy Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 47 Sigma detected: WannaCry Ransomware 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 8 other signatures 2->53 7 sgxnPm6jiy.exe 7 507 2->7         started        12 sgxnPm6jiy.exe 2->12         started        14 sgxnPm6jiy.exe 2->14         started        process3 dnsIp4 35 192.168.2.100 unknown unknown 7->35 37 192.168.2.101 unknown unknown 7->37 39 98 other IPs or domains 7->39 27 C:\Users\user\Desktop\...\UOOJJOZIRH.jpg, data 7->27 dropped 29 C:\Users\user\Desktop\VAMYDFPUND.pdf, data 7->29 dropped 31 C:\Users\user\Desktop\UOOJJOZIRH.xlsx, data 7->31 dropped 33 19 other files (1 malicious) 7->33 dropped 55 Connects to many different private IPs (likely to spread or exploit) 7->55 57 Creates autostart registry keys with suspicious names 7->57 59 Deletes shadow drive data (may be related to ransomware) 7->59 63 4 other signatures 7->63 16 cmd.exe 1 7->16         started        61 Hides threads from debuggers 12->61 file5 signatures6 process7 signatures8 41 May disable shadow drive data (uses vssadmin) 16->41 43 Deletes shadow drive data (may be related to ransomware) 16->43 45 Uses bcdedit to modify the Windows boot settings 16->45 19 bcdedit.exe 1 16->19         started        21 bcdedit.exe 1 16->21         started        23 WMIC.exe 1 16->23         started        25 2 other processes 16->25 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bb152c96ba9e25f293bbc03c607918a4452231087053a8cb1a8accb1acc92fd/
Threat name:
Win32.Ransomware.LockBit
Create hunting rule
Status:
Malicious
First seen:
2021-08-02 10:56:35 UTC
File Type:
PE (Exe)
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=joyvfsllvhrf6kj3xqb4mb4rrjcfeiyqq4ctvdfrvcwmwgwmsl6q._file
Verdict:
unknown
Similar samples:
73406e0e7882addf0f810d3bc0e386fd5fd2dd441c895095f4125bb236ae7345
LockBit
dd8fe3966ab4d2d6215c63b3ac7abf4673d9c19f2d9f35a6bf247922c642ec2d
LockBit
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit evasion persistence ransomware
Link:
https://tria.ge/reports/210804-1h48zsbgls/
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
Drops desktop.ini file(s)
Enumerates connected drives
Deletes itself
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Lockbit
Unpacked files
SH256 hash:
4bb152c96ba9e25f293bbc03c607918a4452231087053a8cb1a8accb1acc92fd
MD5 hash:
b0916724ff4118bf213e31cd198c0afd
SHA1 hash:
12ac32d012e818c78d6db790f6e11838ca75db88
Link:
https://www.unpac.me/results/306adf82-c995-4a10-8173-4c96fdbbd0a5/
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/4bb152c96ba9e25f293bbc03c607918a4452231087053a8cb1a8accb1acc92fd

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:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:INDICATOR_SUSPICIOUS_USNDeleteJournal
Create hunting rule
Author:ditekSHen
Description:Detects executables containing anti-forensic artifcats of deletiing USN change journal. Observed in ransomware
Rule name:Lockbit2_Jul21
Create hunting rule
Author:CB @ ATR
Description:simple rule to detect latest Lockbit ransomware Jul 2021
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/176318/

Comments