lockbit | cad51b34c925bec941149248c8d6a8dfa9adb8cf0d6703c6f958701ca2d963a0

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-08-2024 00:15

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General

Target

2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe
Size

143KB
MD5

99622f39b8b879c82a9626adea79f1a3
SHA1

6d0b02cf31aa54bc9f42b881913134076d91c2a9
SHA256

cad51b34c925bec941149248c8d6a8dfa9adb8cf0d6703c6f958701ca2d963a0
SHA512

b6ab14ec364d027a64de65f36991018b8fac61a588975a38daeaf915386d80716e0193fa1452f44b69ee603c2141dfbafff27e33db09511a5a50ae2dac68b2b2
SSDEEP

3072:aVqznOSMyK6mb082skBix+IQbkPDP0UJoHK5D40CX+n7YPTrI:yqaSlK5I/bYxBPoUOK5DxHSTrI

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/1908-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2924	1908	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:

2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe

description	pid	Process	procid_target
PID 1908 wrote to memory of 2924	1908	2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe	30
PID 1908 wrote to memory of 2924	1908	2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe	30
PID 1908 wrote to memory of 2924	1908	2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe	30
PID 1908 wrote to memory of 2924	1908	2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-27_99622f39b8b879c82a9626adea79f1a3_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 88
  2⤵
  - Program crash
  PID:2924

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/1908-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

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