lockbit | abd6596e9d6249d36d785a9d360d583925b8c304a1ec287d8d14cdb67f53665e

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
19-10-2024 01:29

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General

Target

2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe
Size

146KB
MD5

490103e248d901221a96327a2c850fb2
SHA1

2dfb4e283ec6a082f8d7a255741419f660288fc9
SHA256

abd6596e9d6249d36d785a9d360d583925b8c304a1ec287d8d14cdb67f53665e
SHA512

ca19d9e16cab5a61869bc70df8fcfe5393d4c5507afb5ecb34befcac962654da73ac26056fd005bacd65f435c09aa064cb509452ea6d3eae98a4ab4f6c409679
SSDEEP

3072:DYiDnDiWTKM+vnYCJQ1YU/PrBpxwxdVnDg5p48PEF/eU6Aa:DjDB+vnNJQu8BjwRMtPEF/xa

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/2236-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_lockbit
behavioral1/memory/2236-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2632 2236 WerFault.exe 2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe
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_490103e248d901221a96327a2c850fb2_lockbit.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe

pid	pid_target	process	target process
2632	2236	WerFault.exe	2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe

description	pid	process	target process
PID 2236 wrote to memory of 2632	2236	2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe	WerFault.exe
PID 2236 wrote to memory of 2632	2236	2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe	WerFault.exe
PID 2236 wrote to memory of 2632	2236	2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe	WerFault.exe
PID 2236 wrote to memory of 2632	2236	2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-19_490103e248d901221a96327a2c850fb2_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 88
  2⤵
  - Program crash
  PID:2632

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

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Downloads

memory/2236-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

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memory/2236-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download