Overview
overview
10Static
static
10LockBit-Bl...ld.bat
windows7-x64
1LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows7-x64
10LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows7-x64
1LockBit-Bl...or.exe
windows10-2004-x64
1LockBit-Bl...in.dll
windows7-x64
10LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows7-x64
1LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows7-x64
10LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows7-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10LockBit-Bl...er.exe
windows7-x64
1LockBit-Bl...er.exe
windows10-2004-x64
1LockBit-Bl...en.exe
windows7-x64
1LockBit-Bl...en.exe
windows10-2004-x64
1LockBit-Bl...ld.bat
windows7-x64
1LockBit-Bl...ld.bat
windows10-2004-x64
1LockBit-Bl...B3.exe
windows7-x64
10LockBit-Bl...B3.exe
windows10-2004-x64
10LockBit-Bl...or.exe
windows7-x64
5LockBit-Bl...or.exe
windows10-2004-x64
5LockBit-Bl...in.dll
windows7-x64
10LockBit-Bl...in.dll
windows10-2004-x64
7LockBit-Bl...32.dll
windows7-x64
1LockBit-Bl...32.dll
windows10-2004-x64
1LockBit-Bl...ss.dll
windows7-x64
10LockBit-Bl...ss.dll
windows10-2004-x64
10LockBit-Bl...ss.exe
windows7-x64
10LockBit-Bl...ss.exe
windows10-2004-x64
10Analysis
-
max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
27-01-2024 16:14
Behavioral task
behavioral1
Sample
LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
LockBit-Black-Builder-main/LockBit30/Build.bat
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3Decryptor.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
LockBit-Black-Builder-main/LockBit30/Build/LB3_pass.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
LockBit-Black-Builder-main/LockBit30/builder.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
LockBit-Black-Builder-main/LockBit30/keygen.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build.bat
Resource
win10v2004-20231222-en
Behavioral task
behavioral21
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3Decryptor.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win7-20231129-en
Behavioral task
behavioral30
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral31
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Resource
win10v2004-20231215-en
General
-
Target
LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
-
Size
148KB
-
MD5
1cf36fecacae95acaed46247090fd4b6
-
SHA1
4dcf048521b7c8fcba54d20f06be6ea60131bce1
-
SHA256
6eb4d985a52554d37c0efec1457258e4dfd4619ff0396c66e2f9a02d8381ce57
-
SHA512
7b6c660245ed236a12e4c7e36e30283b5d2736de2d419da60d4ab584016de24dd40f7c4d407c5a4cee3c1995d136a775f72ed2ca16c911d75a2c9c2f4b57a99c
-
SSDEEP
3072:TTmYfHnIUoQ3+Cv9y5esf+Ieva3YVxz8jZGhjhjGI:TBvn3+WnSev7VujMzf
Malware Config
Signatures
-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
resource yara_rule behavioral11/memory/2320-1-0x0000000010000000-0x0000000010029000-memory.dmp family_lockbit -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2676 wrote to memory of 2320 2676 rundll32.exe 28 PID 2676 wrote to memory of 2320 2676 rundll32.exe 28 PID 2676 wrote to memory of 2320 2676 rundll32.exe 28 PID 2676 wrote to memory of 2320 2676 rundll32.exe 28 PID 2676 wrote to memory of 2320 2676 rundll32.exe 28 PID 2676 wrote to memory of 2320 2676 rundll32.exe 28 PID 2676 wrote to memory of 2320 2676 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32_pass.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32_pass.dll,#12⤵PID:2320
-