lockbit | 3e5dcf0d1633ece90628d63e78b9d3901d5ad2267f02749a4f10c67e0250959a

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 09:25

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General

Target

2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe
Size

146KB
MD5

041f2deb5d8c0b96d1cda5545fa6e830
SHA1

67d78afe2fa00a1a6d8fc78cb7b161964ee28e8a
SHA256

3e5dcf0d1633ece90628d63e78b9d3901d5ad2267f02749a4f10c67e0250959a
SHA512

091ad81d3cc3d81603a7e38fd9a25d652618a2afa2a5fa5d5a06c70a9c88406c5cab4b2b22dab803e20849568752becf8c18a0c0caec9529b72994e6585376dc
SSDEEP

3072:MYiDnDiWTKM+vnYCJQ1YU/PrBpxwxdVnDgwp48PEF/eU65a:MjDB+vnNJQu8BjwRMGPEF/Ya

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 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1328-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2400	1328	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

Processes:

2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe

description	pid	Process	procid_target
PID 1328 wrote to memory of 2400	1328	2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe	30
PID 1328 wrote to memory of 2400	1328	2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe	30
PID 1328 wrote to memory of 2400	1328	2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe	30
PID 1328 wrote to memory of 2400	1328	2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-19_041f2deb5d8c0b96d1cda5545fa6e830_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 88
  2⤵
  - Program crash
  PID:2400

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/1328-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

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