MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c2a51daa50a0489a8734d3577b43bcaf78f32ab34a404d2f6026af5ed33cd5b. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c2a51daa50a0489a8734d3577b43bcaf78f32ab34a404d2f6026af5ed33cd5b
SHA3-384 hash: 9091d064da40643f761993429666f582cd465e006da639c19cb7a59b1635ff92f2add6c18449de0181a0ad10a6df3064
SHA1 hash: 24897bc96bec3126c4a65c96b907fe57bd75359f
MD5 hash: ef577a1a486aa3dba1b0acd46b54d3a6
humanhash: november-monkey-oregon-cat
File name:2023-04-14_ef577a1a486aa3dba1b0acd46b54d3a6_darkside
Download: download sample
Signature LockBit
Create hunting rule
File size:163'328 bytes
First seen:2023-04-15 03:11:01 UTC
Last seen:2023-05-13 22:53:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 89b43582b27abefb2b74684ab12a2f8e (8 x BlackMatter, 5 x LockBit)
ssdeep 3072:JuJ9OlKolUa1U197bzhVsmftsu3ieOfNqv1wxfs3Q0hU:Jufj0zi1dNVsmftSyyxU3Q0e
Threatray 2'553 similar samples on MalwareBazaar
TLSH T1BAF38E25F513E1B3C43728F12B367571B3AB8E3C1A656413EAE80F55ADA2823EF14947
TrID 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
19.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.1% (.EXE) Win32 Executable (generic) (4505/5/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:lockbit

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-04-14_ef577a1a486aa3dba1b0acd46b54d3a6_darkside
Verdict:
Malicious activity
Analysis date:
2023-04-15 03:13:13 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/28d2737f-2d90-4232-a5dd-0ca8943f8b23

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/382370/
Detection(s):
Win.Ransomware.BlackMatter-9965914-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Launching a service
Delayed writing of the file
Changing a file
Moving a recently created file
Reading critical registry keys
Using the Windows Management Instrumentation requests
Sending a UDP request
Launching a process
Creating a window
Creating a file in the %temp% directory
Creating a file in the mass storage device
Stealing user critical data
Forced shutdown of a system process
Forced shutdown of a browser
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/643a15c70530985b5cccf843/reports/ef8bf9c0-a85e-418a-85ed-22576fd56897/overview
Verdict:
Malicious
Labled as:
Mint.Zard.Generic
Link:
https://www.hybrid-analysis.com/sample/1c2a51daa50a0489a8734d3577b43bcaf78f32ab34a404d2f6026af5ed33cd5b
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:
BlackMatter Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b11a5d67-0392-4bad-82de-79da65d7dfd3
Result
Threat name:
LockBit ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1214251
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Writes to foreign memory regions
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 847179 Sample: iA4rwxRoEc.exe Startdate: 15/04/2023 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 6 other signatures 2->40 6 iA4rwxRoEc.exe 2 40 2->6         started        10 ONENOTE.EXE 29 343 2->10         started        process3 file4 18 C:\ProgramData\79DA.tmp, PE32 6->18 dropped 20 C:\$Recycle.Bin\...\desktop.ini, SVR2 6->20 dropped 22 C:\$Recycle.Bin\...\ZZZZZZZZZZZ (copy), SVR2 6->22 dropped 24 37 other malicious files 6->24 dropped 42 Contains functionality to detect hardware virtualization (CPUID execution measurement) 6->42 44 Writes a notice file (html or txt) to demand a ransom 6->44 46 Writes to foreign memory regions 6->46 48 3 other signatures 6->48 12 79DA.tmp 2 6->12         started        16 splwow64.exe 1 6->16         started        signatures5 process6 file7 26 C:\Users\user\Desktop\iA4rwxRoEc.exe, data 12->26 dropped 28 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), data 12->28 dropped 30 C:\Users\user\Desktop\YYYYYYYYYYYYYY (copy), data 12->30 dropped 32 24 other malicious files 12->32 dropped 50 Antivirus detection for dropped file 12->50 52 Multi AV Scanner detection for dropped file 12->52 54 Contains functionality to detect hardware virtualization (CPUID execution measurement) 12->54 56 2 other signatures 12->56 signatures8
Detection:
lockbit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1c2a51daa50a0489a8734d3577b43bcaf78f32ab34a404d2f6026af5ed33cd5b/
Threat name:
Win32.Ransomware.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2023-04-14 11:51:37 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dqvfdwvfbicitkdtju2xpnb3zl3y6mvlgssajuxwajvpl3jtzvnq._file
Verdict:
malicious
Similar samples:
160c97289764c37afe1a11f72537e95843a9c37a9c5fa02e1046f6b002315021
LockBit
4ec749635f2fc719d569c97a868a071f486923f63ed71eecec9fa0d62278bbca
LockBit
99d3003cc577c3635bcbb883634037469b35c3b1a31109dc145600bb1e683d4b
LockBit
e80b293b0cecb5265f2a6cc592ee11fea28c3d008fa883781aca1da3f09140b1
LockBit
f41abd588cef0ed3e46f91c73014cc17327200fb41ce2deafaacde023fedfe01
LockBit
f7caf7d69cef15d5c3b9983513e4e40edc3a31c5ead4139bc41d1500442a966a
LockBit
+ 2'543 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit ransomware
Link:
https://tria.ge/reports/230415-dplhmsch25/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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 System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Deletes itself
Executes dropped EXE
Loads dropped DLL
Lockbit
Unpacked files
SH256 hash:
1c2a51daa50a0489a8734d3577b43bcaf78f32ab34a404d2f6026af5ed33cd5b
MD5 hash:
ef577a1a486aa3dba1b0acd46b54d3a6
SHA1 hash:
24897bc96bec3126c4a65c96b907fe57bd75359f
Link:
https://www.unpac.me/results/c022aa0b-47eb-4ff4-b078-83a240b5b6d3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c2a51daa50a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.86
Link:
https://yomi.yoroi.company/submissions/1c2a51daa50a0489a8734d3577b43bcaf78f32ab34a404d2f6026af5ed33cd5b

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:CRIME_WIN32_RANSOM_BLACKMATTER
Create hunting rule
Author:Rony (@r0ny_123)
Description:Detects Blackmatter ransomware
Rule name:Darkside
Create hunting rule
Author:@bartblaze
Description:Identifies Darkside ransomware.
Rule name:Windows_Ransomware_Lockbit_369e1e94
Create hunting rule
Author:Elastic Security
Rule name:win_lockbit_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/382370/

Comments