38a71ff442d943f02a32b4e909a7359b003d6c5872cc5f5dfa470fb0ece3d976

Analysis

max time kernel
105s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2025, 13:43

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General

Target

LockBit3 RansomWare/Build.bat
Size

741B
MD5

4e46e28b2e61643f6af70a8b19e5cb1f
SHA1

804a1d0c4a280b18e778e4b97f85562fa6d5a4e6
SHA256

8e83a1727696ced618289f79674b97305d88beeeabf46bd25fc77ac53c1ae339
SHA512

009b17b515ff0ea612e54d8751eef07f1e2b54db07e6cd69a95e7adf775f3c79a0ea91bff2fe593f2314807fdc00c75d80f1807b7dbe90f0fcf94607e675047b

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keygen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5244 wrote to memory of 3884	5244	cmd.exe	89
PID 5244 wrote to memory of 3884	5244	cmd.exe	89
PID 5244 wrote to memory of 3884	5244	cmd.exe	89
PID 5244 wrote to memory of 4332	5244	cmd.exe	90
PID 5244 wrote to memory of 4332	5244	cmd.exe	90
PID 5244 wrote to memory of 4332	5244	cmd.exe	90
PID 5244 wrote to memory of 5620	5244	cmd.exe	91
PID 5244 wrote to memory of 5620	5244	cmd.exe	91
PID 5244 wrote to memory of 5620	5244	cmd.exe	91
PID 5244 wrote to memory of 3860	5244	cmd.exe	92
PID 5244 wrote to memory of 3860	5244	cmd.exe	92
PID 5244 wrote to memory of 3860	5244	cmd.exe	92
PID 5244 wrote to memory of 5868	5244	cmd.exe	93
PID 5244 wrote to memory of 5868	5244	cmd.exe	93
PID 5244 wrote to memory of 5868	5244	cmd.exe	93
PID 5244 wrote to memory of 1896	5244	cmd.exe	94
PID 5244 wrote to memory of 1896	5244	cmd.exe	94
PID 5244 wrote to memory of 1896	5244	cmd.exe	94
PID 5244 wrote to memory of 1584	5244	cmd.exe	95
PID 5244 wrote to memory of 1584	5244	cmd.exe	95
PID 5244 wrote to memory of 1584	5244	cmd.exe	95

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:5244
- C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\keygen.exe
  keygen -path C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build -pubkey pub.key -privkey priv.key
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3884
- C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\builder.exe
  builder -type dec -privkey C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\priv.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\LB3Decryptor.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4332
- C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\builder.exe
  builder -type enc -exe -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\LB3.exe
  2⤵
  PID:5620
- C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\builder.exe
  builder -type enc -exe -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\LB3_pass.exe
  2⤵
  PID:3860
- C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\builder.exe
  builder -type enc -dll -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\LB3_Rundll32.dll
  2⤵
  PID:5868
- C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\builder.exe
  builder -type enc -dll -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\LB3_Rundll32_pass.dll
  2⤵
  PID:1896
- C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\builder.exe
  builder -type enc -ref -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit3 RansomWare\Build\LB3_ReflectiveDll_DllMain.dll
  2⤵
  PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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