Overview
overview
10Static
static
10LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows10-2004-x64
1LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10LockBit-Bl...er.exe
windows10-2004-x64
1LockBit-Bl...en.exe
windows10-2004-x64
1LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows10-2004-x64
5LockBit-Bl...in.dll
windows10-2004-x64
10LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10LockBit-Bl...er.exe
windows10-2004-x64
1LockBit-Bl...en.exe
windows10-2004-x64
1Analysis
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max time kernel
136s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 09:35
Behavioral task
behavioral1
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral6
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral10
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral12
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral14
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral16
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/builder.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral18
Sample
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/keygen.exe
Resource
win10v2004-20240426-en
General
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Target
LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
-
Size
152KB
-
MD5
a451f94bf71b55142e64d65dda361e3d
-
SHA1
79dbdba2019c0bb2859cf2886ad4ceaadf769311
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SHA256
42a708a61e3bb54ac63748ac47bb96ded6e32bbe927a87c8e57094110293c325
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SHA512
a5336d7a3345a562214f8081459937f4c9c17882aa614fa514eea6ec7e3afd416e943560a92ecfe88ecc281729c9e6eefe2300d087b1ee510aaef0d3ac343803
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SSDEEP
3072:LrPn1hcH98P67PBH2G3gFoh3H6J1vVjgQp3RpM1dpbQrQymzUOMgInmwuzEvigpx:LrP1hG98P67PNV3gih3H6J1VjgQp3Rpb
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1508 wrote to memory of 428 1508 rundll32.exe 83 PID 1508 wrote to memory of 428 1508 rundll32.exe 83 PID 1508 wrote to memory of 428 1508 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32.dll,#12⤵PID:428
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