lockbit | 34ae59b7acc09c2e82625640cae82c5158b649db1418ddbaa24138b51f1722c5

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
26-11-2024 18:04

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General

Target

LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_pass.exe
Size

149KB
MD5

7a9c8d168cbd79477a23f995fcef37b7
SHA1

bda1ac31cc3b9087e6ab2696f3e956c034f481dc
SHA256

9cadbedcd88c2005cbaddb3c9a3dc7baae32ee50d1893a7cefd12261dbf69c62
SHA512

222c5c1e8054c00b0d5d5a5c4f12c06ce3b792c230d2c5293752dcca247c73b336da8756f6762fc3fc8bb85aa9d08f9a4c793b8843b578ac1fb37925821c4ef7
SSDEEP

3072:5MKDtv/cqFbkyAD8UvR3rO4H9TKvfpN7pLXyKuwYXAlboLU/ux0feApQ:mKDhzFlADRvRi7fp55l8AFoLU/KZA6

Score

10^/10

lockbit discovery ransomware

Malware Config

Signatures

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

Rule to detect Lockbit 3.0 ransomware Windows payload 2 IoCs

resource	yara_rule
behavioral15/memory/2300-0-0x0000000000400000-0x0000000000429000-memory.dmp	family_lockbit
behavioral15/memory/2300-1-0x0000000000400000-0x0000000000429000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1372	2300	WerFault.exe	30

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LB3_pass.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1372	2300	LB3_pass.exe	31
PID 2300 wrote to memory of 1372	2300	LB3_pass.exe	31
PID 2300 wrote to memory of 1372	2300	LB3_pass.exe	31
PID 2300 wrote to memory of 1372	2300	LB3_pass.exe	31

C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_pass.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 88
  2⤵
  - Program crash
  PID:1372

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/2300-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2300-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download