lockbit | c050548903c85c410223710cfa02061869a024f429227ad0384744a41248499f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 15:00

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General

Target

LB3_pass.exe
Size

142KB
MD5

adb8de4d5e0c40a5c604e71cf187a464
SHA1

e9dbfdca732844df27c9cd4970f64206b98fa0c9
SHA256

c050548903c85c410223710cfa02061869a024f429227ad0384744a41248499f
SHA512

f930d5a1bfacb34fbaab318f913d043dbc0b2bd1790ee80f51b936a305efaa418609a5e503766272c818fef354cd9aa5c403b61db2cffa0f1f2f8737cda13721
SSDEEP

3072:pFEGxlG1TgsDPsBH13CzWzBmJm9ZlL9DiD8Jdzi8XndSq54Cpuw:pDsg4PwV3CqtI0ZKD8JdzXXdSq5h

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 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2124-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit
behavioral1/memory/2124-1-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2264	2124	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:

LB3_pass.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LB3_pass.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

LB3_pass.exe

description	pid	Process	procid_target
PID 2124 wrote to memory of 2264	2124	LB3_pass.exe	30
PID 2124 wrote to memory of 2264	2124	LB3_pass.exe	30
PID 2124 wrote to memory of 2264	2124	LB3_pass.exe	30
PID 2124 wrote to memory of 2264	2124	LB3_pass.exe	30

C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe
"C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 88
  2⤵
  - Program crash
  PID:2264

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/2124-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2124-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download