lockbit | 2882cbed0fb11c95d01b487a85338f4ec25fd44fc3f0936d68af4832d1be9a54

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 01:10

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General

Target

ransom/Build/LB3_Rundll32_pass.dll
Size

140KB
MD5

3c0c5293d4910194216662891d526e5a
SHA1

0eecd385148a15bd26b4310f6e033f2210e36366
SHA256

4c88ab29cac1be9a88d6c06f9544eed817685784e2c3fd46b4192cdc4d4e2834
SHA512

56c6cfbf22b21de3f06b0a9ed4197d6ff4e62c701b14c27aa5b4d91fabb1c97b63f8e4384efebea26d5ba0d9d9d1cdd8d1f4ae16137ead4c9398f0ceecc2978a
SSDEEP

3072:IyOP+K2O8hstIRx8iaXnnf70ZS1cMSNUNPtMNmG+kXYX:IyOzP4f8ia3wZacMSMPtMu

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

Processes:

resource	yara_rule
behavioral11/memory/2076-0-0x0000000010000000-0x0000000010027000-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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2380 wrote to memory of 2076	2380	rundll32.exe	30
PID 2380 wrote to memory of 2076	2380	rundll32.exe	30
PID 2380 wrote to memory of 2076	2380	rundll32.exe	30
PID 2380 wrote to memory of 2076	2380	rundll32.exe	30
PID 2380 wrote to memory of 2076	2380	rundll32.exe	30
PID 2380 wrote to memory of 2076	2380	rundll32.exe	30
PID 2380 wrote to memory of 2076	2380	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ransom\Build\LB3_Rundll32_pass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ransom\Build\LB3_Rundll32_pass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2076

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/2076-0-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

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