lockbit | b6efaa648d80243054f7fac02ae11db18025d9a681e5bcb1f320b7fd08fec21b

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 01:52

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General

Target

2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe
Size

156KB
MD5

0c61a51c85fc37ea929a87b7ba53c833
SHA1

db645fec5b7b8a875d410f1bb5d4ca51cd2c6bdc
SHA256

b6efaa648d80243054f7fac02ae11db18025d9a681e5bcb1f320b7fd08fec21b
SHA512

e2bd5ca0799b6cdef25da8ca775dc18ddf85405464169dbc05de918ee0aa3351ef7df1b7862a8644f13fa268529d62d503c7b21810fc1cbf8c8f12f18d3ef46b
SSDEEP

3072:IrPDG86XRExB4f5mRM5ZnHXdXGf4U7YbXLpvra4hPlgtM:+G80REr4wMn3Ef4yYbXLpvrHGM

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
behavioral1/memory/2188-0-0x0000000000400000-0x000000000042B000-memory.dmp	family_lockbit
behavioral1/memory/2188-1-0x0000000000400000-0x000000000042B000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1560	2188	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1560	2188	2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe	30
PID 2188 wrote to memory of 1560	2188	2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe	30
PID 2188 wrote to memory of 1560	2188	2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe	30
PID 2188 wrote to memory of 1560	2188	2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-10_0c61a51c85fc37ea929a87b7ba53c833_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 88
  2⤵
  - Program crash
  PID:1560

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/2188-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

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memory/2188-1-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

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