Overview
overview
10Static
static
10ransom/Build.bat
windows7-x64
3ransom/Build.bat
windows10-2004-x64
3ransom/Build/LB3.exe
windows7-x64
9ransom/Build/LB3.exe
windows10-2004-x64
9ransom/Bui...or.exe
windows7-x64
7ransom/Bui...or.exe
windows10-2004-x64
7ransom/Bui...in.dll
windows7-x64
9ransom/Bui...in.dll
windows10-2004-x64
7ransom/Bui...32.dll
windows7-x64
3ransom/Bui...32.dll
windows10-2004-x64
3ransom/Bui...ss.dll
windows7-x64
10ransom/Bui...ss.dll
windows10-2004-x64
10ransom/Bui...ss.exe
windows7-x64
10ransom/Bui...ss.exe
windows10-2004-x64
10ransom/builder.exe
windows7-x64
1ransom/builder.exe
windows10-2004-x64
3ransom/keygen.exe
windows7-x64
1ransom/keygen.exe
windows10-2004-x64
3Analysis
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max time kernel
16s -
max time network
21s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-11-2024 01:10
Behavioral task
behavioral1
Sample
ransom/Build.bat
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ransom/Build.bat
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
ransom/Build/LB3.exe
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
ransom/Build/LB3.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
ransom/Build/LB3Decryptor.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
ransom/Build/LB3Decryptor.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
ransom/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
ransom/Build/LB3_ReflectiveDll_DllMain.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
ransom/Build/LB3_Rundll32.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
ransom/Build/LB3_Rundll32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
ransom/Build/LB3_Rundll32_pass.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
ransom/Build/LB3_Rundll32_pass.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
ransom/Build/LB3_pass.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
ransom/Build/LB3_pass.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
ransom/builder.exe
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
ransom/builder.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
ransom/keygen.exe
Resource
win7-20241010-en
Behavioral task
behavioral18
Sample
ransom/keygen.exe
Resource
win10v2004-20241007-en
General
-
Target
ransom/Build/LB3_pass.exe
-
Size
141KB
-
MD5
85fbdd693c11767ae0f2ae519b4df7a2
-
SHA1
1598ea54fec9894888262976f2fdd71420eb3130
-
SHA256
173f5533ad95e05c7a89a842f7923b23cc1b41c48221ff3262e82c847db1d409
-
SHA512
a3ad65b7bc2d2850906d02c0c9ea18580e21d5e0c8c0868b5865ce73acfd2c550dbc3c4d79fa63ede0d4607bbcb9380841ac0f893aeddf09c1a9ed75ff8b98f5
-
SSDEEP
3072:ifGQiJ+A2qUO9XFyKoP7C1aGTnKsXGQe7bHw7/d4f4fb3Du8vVmB4xPMG+4wHTZi:I/iQA2qUO9VZKCQUnKKGLbHt4Du8tH+s
Malware Config
Signatures
-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Lockbit family
-
Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
Processes:
resource yara_rule behavioral13/memory/2180-0-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2972 2180 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
LB3_pass.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LB3_pass.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
LB3_pass.exedescription pid Process procid_target PID 2180 wrote to memory of 2972 2180 LB3_pass.exe 30 PID 2180 wrote to memory of 2972 2180 LB3_pass.exe 30 PID 2180 wrote to memory of 2972 2180 LB3_pass.exe 30 PID 2180 wrote to memory of 2972 2180 LB3_pass.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ransom\Build\LB3_pass.exe"C:\Users\Admin\AppData\Local\Temp\ransom\Build\LB3_pass.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 882⤵
- Program crash
PID:2972
-