lockbit | 7b105aba893b98d1ae293b3096854077d430f071d2801f57d8d5c370b53f1964

Resubmissions

08-09-2024 03:04

240908-dk13jatgjb 10

08-09-2024 01:42

240908-b4rl4azdmh 10

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 03:04

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General

Target

LBB_pass.exe
Size

141KB
MD5

ecccac5d8de56c9a28b91ab1bda23c16
SHA1

20f2811da9b151b34ae7c257ec672a0c1d3f60ee
SHA256

336c36746aeee4e0753f5bf90a4429f0e91468ff02ed00c62559ea1e29b333a2
SHA512

1e0a5432c382be17f11a4d4772c8d4d3b6359fe90dbb25d250e480a2439cd8d108cb725a64777be3765afdd9ec03b1f7aef3b94c58a45bfc5dc74c8633463c54
SSDEEP

3072:OFtQp4qavvr9EycFur+6LZEzHzDkDd0+NiJ5c14VTDxqvUqN:gQp47vGIrZEjzgDd0+6VTDE

Score

10^/10

lockbit discovery ransomware

Malware Config

Signatures

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1716-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit
behavioral1/memory/1716-1-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2184	1716	WerFault.exe	27

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.

discovery

System Language Discovery

T1614.001

Processes:

LBB_pass.exe

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

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

LBB_pass.exe

description	pid	Process	procid_target
PID 1716 wrote to memory of 2184	1716	LBB_pass.exe	28
PID 1716 wrote to memory of 2184	1716	LBB_pass.exe	28
PID 1716 wrote to memory of 2184	1716	LBB_pass.exe	28
PID 1716 wrote to memory of 2184	1716	LBB_pass.exe	28

C:\Users\Admin\AppData\Local\Temp\LBB_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LBB_pass.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 88
  2⤵
  - Program crash
  PID:2184

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

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Downloads

memory/1716-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1716-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download