lockbit | 873dfcc2efb75d3bbf10ab73346d4a8aa2c4b76b5ad6d4db622fa2a1ce4b4071

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
21-12-2024 01:05

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General

Target

2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe
Size

156KB
MD5

6f2687e1e9bbedd93fdb3e041a12c3d0
SHA1

50a451f51a21ada83000698786553b5364cbc8b5
SHA256

873dfcc2efb75d3bbf10ab73346d4a8aa2c4b76b5ad6d4db622fa2a1ce4b4071
SHA512

c552570f120db340e1a3d2952769e13d3c038ccf2892187e02f9eb756e02f78c65988bfadf94f80b4b762e5e3e9a346c24b3cdd4539f49d651b3594cf9e17245
SSDEEP

3072:YHgWq18g513wk4YnvdazyhFINQC0SIIuUkuY6DWGulJDW:YH/e13w5Yvd3fC0ZuY6DWGkW

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 1 IoCs

resource	yara_rule
behavioral1/memory/2788-0-0x0000000000400000-0x000000000042B000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2788	WerFault.exe	30

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	2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2812	2788	2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe	31
PID 2788 wrote to memory of 2812	2788	2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe	31
PID 2788 wrote to memory of 2812	2788	2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe	31
PID 2788 wrote to memory of 2812	2788	2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-21_6f2687e1e9bbedd93fdb3e041a12c3d0_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 88
  2⤵
  - Program crash
  PID:2812

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/2788-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

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