744214bbe4ab445a2778cc66eb4a8a5b64673b245cfbf3500e14ed70f5906ef1

Resubmissions

09/03/2025, 14:00

250309-ra17fasvb1 10

14/02/2025, 20:10

250214-yxrd3sxpgl 10

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
14/02/2025, 20:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

LBLeak/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 6 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	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 7 IoCs

pid	Process
2556	keygen.exe
2080	builder.exe
2528	builder.exe
2332	builder.exe
296	builder.exe
2340	builder.exe
2052	builder.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2556	2324	cmd.exe	31
PID 2324 wrote to memory of 2556	2324	cmd.exe	31
PID 2324 wrote to memory of 2556	2324	cmd.exe	31
PID 2324 wrote to memory of 2556	2324	cmd.exe	31
PID 2324 wrote to memory of 2080	2324	cmd.exe	32
PID 2324 wrote to memory of 2080	2324	cmd.exe	32
PID 2324 wrote to memory of 2080	2324	cmd.exe	32
PID 2324 wrote to memory of 2080	2324	cmd.exe	32
PID 2324 wrote to memory of 2528	2324	cmd.exe	33
PID 2324 wrote to memory of 2528	2324	cmd.exe	33
PID 2324 wrote to memory of 2528	2324	cmd.exe	33
PID 2324 wrote to memory of 2528	2324	cmd.exe	33
PID 2324 wrote to memory of 2332	2324	cmd.exe	34
PID 2324 wrote to memory of 2332	2324	cmd.exe	34
PID 2324 wrote to memory of 2332	2324	cmd.exe	34
PID 2324 wrote to memory of 2332	2324	cmd.exe	34
PID 2324 wrote to memory of 296	2324	cmd.exe	35
PID 2324 wrote to memory of 296	2324	cmd.exe	35
PID 2324 wrote to memory of 296	2324	cmd.exe	35
PID 2324 wrote to memory of 296	2324	cmd.exe	35
PID 2324 wrote to memory of 2340	2324	cmd.exe	36
PID 2324 wrote to memory of 2340	2324	cmd.exe	36
PID 2324 wrote to memory of 2340	2324	cmd.exe	36
PID 2324 wrote to memory of 2340	2324	cmd.exe	36
PID 2324 wrote to memory of 2052	2324	cmd.exe	37
PID 2324 wrote to memory of 2052	2324	cmd.exe	37
PID 2324 wrote to memory of 2052	2324	cmd.exe	37
PID 2324 wrote to memory of 2052	2324	cmd.exe	37

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\LBLeak\Build.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\LBLeak\keygen.exe
  keygen -path C:\Users\Admin\AppData\Local\Temp\LBLeak\Build -pubkey pub.key -privkey priv.key
  2⤵
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:2556
- C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
  builder -type dec -privkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\priv.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3Decryptor.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:2080
- C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
  builder -type enc -exe -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:2528
- C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
  builder -type enc -exe -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_pass.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
  builder -type enc -dll -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_Rundll32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:296
- C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
  builder -type enc -dll -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_Rundll32_pass.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:2340
- C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
  builder -type enc -ref -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_ReflectiveDll_DllMain.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:2052

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\priv.key

Filesize
344B

MD5
b78d511819541935dd6a9d45540d6d66

SHA1
83ff6bab74ad1e73327ce29a7c8fde616f3875f2

SHA256
1d0181760959517f2249dc2cdf2d205d9e62f59e28806e71cd9d3dcd69fead05

SHA512
7e91795ca587724e71f53a58e13a4d44aec860ad9ad9e198a6a62e6d89a76bd1cd907bba5e4d9b18fc45979fb14e934ad57c6bc4e0eefe41a706915716f0b37c

Download Submit
C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key

Filesize
344B

MD5
95f54d73b05a63a820436c7d2602b4bd

SHA1
644bc5ae3ebfb90654e4b6ad9247ef9afbec3b26

SHA256
d6cd23dd931aac44d75aff3408a2877930fe6f13ca61fb447ddc913e3ff45692

SHA512
1d77246768cad67c811720b9261725bab977eca7da0d0270a324adca2dcbaf2f06fe873ab705319369baeaa7bdfd76d1265ff43f69cf478a904e9b480a26f64a

Download Submit