lockbit | 34ae59b7acc09c2e82625640cae82c5158b649db1418ddbaa24138b51f1722c5

Analysis

max time kernel
13s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 13:38

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General

Target

LockBit-Black-Builder-main/LockBit30/Build/LB3_Rundll32_pass.dll
Size

148KB
MD5

1cf36fecacae95acaed46247090fd4b6
SHA1

4dcf048521b7c8fcba54d20f06be6ea60131bce1
SHA256

6eb4d985a52554d37c0efec1457258e4dfd4619ff0396c66e2f9a02d8381ce57
SHA512

7b6c660245ed236a12e4c7e36e30283b5d2736de2d419da60d4ab584016de24dd40f7c4d407c5a4cee3c1995d136a775f72ed2ca16c911d75a2c9c2f4b57a99c
SSDEEP

3072:TTmYfHnIUoQ3+Cv9y5esf+Ieva3YVxz8jZGhjhjGI:TBvn3+WnSev7VujMzf

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

resource	yara_rule
behavioral11/memory/2472-0-0x0000000010000000-0x0000000010029000-memory.dmp	family_lockbit
behavioral11/memory/2472-1-0x0000000010000000-0x0000000010029000-memory.dmp	family_lockbit

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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29
PID 2448 wrote to memory of 2472	2448	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32_pass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit30\Build\LB3_Rundll32_pass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2472

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/2472-0-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

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memory/2472-1-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

Download