lockbit | 07f5e75707521f1aa7ca76c608b79c9e0f4e74b874382b001d00b51f0bd887b5

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 10:46

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General

Target

2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe
Size

144KB
MD5

ea797d0635f1f7e0feca8195c2ead01a
SHA1

23a89c6d77c3ebcc891fcea026078b7058df0713
SHA256

07f5e75707521f1aa7ca76c608b79c9e0f4e74b874382b001d00b51f0bd887b5
SHA512

188f967fbec4e1eca6bb6536c76a76d11011173758254bf5c917291349fadeb5105d32790b1bd6198197a72ce96fa062d215f4141fe55d95f94608fb3d3de9fa
SSDEEP

3072:zEXIO3Jvc8zQdJIldylbqvDMzOpv4ujrGQx6ZlIH2FL:nmFzImrylaKiLGQoI6L

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/2460-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_lockbit
behavioral1/memory/2460-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2300 2460 WerFault.exe 2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_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:

2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe

pid	pid_target	process	target process
2300	2460	WerFault.exe	2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe

description	pid	process	target process
PID 2460 wrote to memory of 2300	2460	2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe	WerFault.exe
PID 2460 wrote to memory of 2300	2460	2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe	WerFault.exe
PID 2460 wrote to memory of 2300	2460	2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe	WerFault.exe
PID 2460 wrote to memory of 2300	2460	2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-23_ea797d0635f1f7e0feca8195c2ead01a_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 88
  2⤵
  - Program crash
  PID:2300

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/2460-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

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memory/2460-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

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