MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1. 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


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1
SHA3-384 hash: d8ea5063ac71e35415c7e034c7c45a777c02579a07efa1be549450149479fe2e4dbf24b070d06d9c6b708e6725449c0c
SHA1 hash: 2c3b2ed20f1e8e630c61109288bd0ac64b5e0329
MD5 hash: 6ac5cd70e043576b82a313273150f0d9
humanhash: thirteen-zebra-uniform-illinois
File name:03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1
Download: download sample
Signature LockBit
Create hunting rule
File size:151'040 bytes
First seen:2024-05-06 12:08:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 914685b69f2ac2ff61b6b0f1883a054d (35 x BlackMatter, 16 x LockBit, 1 x BlackMatte)
ssdeep 1536:nzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDpAv5wo3Lk6eEVNAhaxlxxFmwUk:YqJogYkcSNm9V7DpKv3L35Sslxx0wT
Threatray 160 similar samples on MalwareBazaar
TLSH T1BBE36B21E15ED0B3C87718F22726B17DB3EA4D2C0AA57847E6E50F48BCA09236F4595F
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) (4504/4/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter 0x0d4y
Tags:exe lockbit

Intelligence

File Origin
# of uploads :
1
# of downloads :
627
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
lockbit
Create hunting rule
ID:
1
File name:
03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1.exe
Verdict:
Malicious activity
Analysis date:
2024-05-06 12:10:21 UTC
Tags:
ransomware lockbit
Link:
https://app.any.run/tasks/501d04a1-cb70-4a47-8377-6e6dee43171a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.BlackMatter-9970818-0
Create hunting rule

Win.Ransomware.Lazy-10003135-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Сreating synchronization primitives
Launching a service
Creating a window
Changing a file
Moving a recently created file
Delayed writing of the file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a file in the %AppData% directory
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Modifies multiple files
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Stealing user critical data
Creating a file in the mass storage device
Forced shutdown of a browser
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/6638c86354aa07c307ed3ece/reports/566ebc9c-0515-4fc1-bdda-2be12c1b2718/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1
Malware family:
BlackMatter Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff902005-9fe0-4633-8750-1b9f7cfa7db9
Result
Threat name:
LockBit ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1436726
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Changes the wallpaper picture
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
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: 1436726 Sample: fesYc8h7Bk.exe Startdate: 06/05/2024 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 6 other signatures 2->46 8 fesYc8h7Bk.exe 27 1002 2->8         started        12 ONENOTE.EXE 2->12         started        process3 file4 24 C:\Users\user\...\wctB366.tmp.zpvmjd9JY, data 8->24 dropped 26 C:\Users\user\...\wct7120.tmp.zpvmjd9JY, data 8->26 dropped 28 C:\Users\user\...\wct4054.tmp.zpvmjd9JY, data 8->28 dropped 30 145 other files (140 malicious) 8->30 dropped 48 Found potential ransomware demand text 8->48 50 Found Tor onion address 8->50 52 Contains functionality to detect hardware virtualization (CPUID execution measurement) 8->52 54 7 other signatures 8->54 14 F602.tmp 8->14         started        18 splwow64.exe 8->18         started        signatures5 process6 file7 32 C:\Users\user\Desktop\fesYc8h7Bk.exe, data 14->32 dropped 34 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), data 14->34 dropped 36 C:\Users\user\Desktop\YYYYYYYYYYYYYY (copy), data 14->36 dropped 38 24 other malicious files 14->38 dropped 56 Contains functionality to detect hardware virtualization (CPUID execution measurement) 14->56 58 Writes many files with high entropy 14->58 60 Hides threads from debuggers 14->60 62 Deletes itself after installation 14->62 20 cmd.exe 14->20         started        signatures8 process9 process10 22 conhost.exe 20->22         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1
Detection:
lockbit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1/
Threat name:
Win32.Ransomware.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2024-05-06 12:09:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=apnsm3nvxfrch32cebwvpyypuwgftzyldukmaf2cf4exv4kwbliq._file
Verdict:
malicious
Similar samples:
2829c9ce2041e1694f1bd55efc1d1096ade843da8fb6665b92c3c21efa538642
LockBit
3546926360ce335048cccdcd09ac261e37343d32e1c55d1c33207452b12972cc
LockBit
4110ad75016f47236031c552c464d259b301e6ce07c462961fb2d7d6fc976ca8
LockBit
6fe8607c799901f812ac46bf98920005ba08c6f8b1c6850835b170baa0ff95e0
LockBit
92813f3c2973a00dc738f72acdf3014e914128a4b427dde5c19e73a87b5f38d1
LockBit
99d3003cc577c3635bcbb883634037469b35c3b1a31109dc145600bb1e683d4b
LockBit
a35c3274a726b27cbcef5abe3f28d8f9675a30883490d37f23b4d730d72eca42
LockBit
ab14946e5c64f18b74701ef15fef5db8ec4f61c43e7032e0493645c932777eb1
LockBit
b4e6458202485c44a34b185d00d707477890456cecc4869338d93e0badce485a
LockBit
f41abd588cef0ed3e46f91c73014cc17327200fb41ce2deafaacde023fedfe01
LockBit
+ 150 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Link:
https://tria.ge/reports/240506-pbfwsabb9t/
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
Enumerates physical storage devices
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Renames multiple (270) files with added filename extension
Unpacked files
SH256 hash:
03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1
MD5 hash:
6ac5cd70e043576b82a313273150f0d9
SHA1 hash:
2c3b2ed20f1e8e630c61109288bd0ac64b5e0329
Detections:
win_lockbit_auto
Create hunting rule
Darkside
Create hunting rule
Link:
https://www.unpac.me/results/7af80d47-5e72-4e53-984d-1602728454ac/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/03db266db5b9/report/overview.html
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/03db266db5b96223ef42206d57e30fa58c59e70b1d14c017422f097af1560ad1

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.

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.lockbit

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetFileAttributesW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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