lockbit | 8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12/08/2024, 03:12

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General

Target

8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe
Size

143KB
MD5

a1a9013cb7dfed9184d43347a2b9c1ee
SHA1

98ee899c749f5646ee479ed75ba81f1456530ed7
SHA256

8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8
SHA512

9060279ecb8df1c12a27cb9d372582993b57454880031adddb68080bdc39e28b79d3c445927e965916e38de1dc6285fe5bd351c27c8edac2d332bf2c344414b0
SSDEEP

3072:dNXb+/U1agEF6+dMhnNau81DH74QWIJ9Oe2szH/s:dNrAUhEFBdMhNN0DH7DB9OepH0

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

resource	yara_rule
behavioral1/memory/2888-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2888	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2120	2888	8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe	30
PID 2888 wrote to memory of 2120	2888	8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe	30
PID 2888 wrote to memory of 2120	2888	8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe	30
PID 2888 wrote to memory of 2120	2888	8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe	30

C:\Users\Admin\AppData\Local\Temp\8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe
"C:\Users\Admin\AppData\Local\Temp\8c541c38bce2fa3f78e34d1af58828cd37051bdaa6cf4b9f566e5bf9dd1346f8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 88
  2⤵
  - Program crash
  PID:2120

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/2888-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

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