lockbit | 635e9ca3baae7e32225f05d16159e339a297a4c1b749e5a8e81ffc8df3c5c37c

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 01:07

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General

Target

2024-12-21_0e38243dcb91851f0646140a16d6832d_lockbit.exe
Size

156KB
MD5

0e38243dcb91851f0646140a16d6832d
SHA1

d5a11399206c54ef1bd11945a5f6a0d721c4a6c9
SHA256

635e9ca3baae7e32225f05d16159e339a297a4c1b749e5a8e81ffc8df3c5c37c
SHA512

8198cf16b815c697e94b8b19b7555191189d6eba2e0bc2b5690277244dcf7da74907d95d8a10bb9bf43a23ae94e5fb57d062c00f947fe8558c9ef633bb066b0e
SSDEEP

3072:iMvRBMY5u+t3YSs1C439/FgfDcTDnHNszfp0QoHkIgep3i8Skb4wE4Ab:ikBS+5YSsdLTH6zfQEupRUb

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
behavioral1/memory/2164-0-0x0000000000400000-0x000000000042B000-memory.dmp	family_lockbit
behavioral1/memory/2164-1-0x0000000000400000-0x000000000042B000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2584	2164	WerFault.exe	28

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_0e38243dcb91851f0646140a16d6832d_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2584	2164	2024-12-21_0e38243dcb91851f0646140a16d6832d_lockbit.exe	29
PID 2164 wrote to memory of 2584	2164	2024-12-21_0e38243dcb91851f0646140a16d6832d_lockbit.exe	29
PID 2164 wrote to memory of 2584	2164	2024-12-21_0e38243dcb91851f0646140a16d6832d_lockbit.exe	29
PID 2164 wrote to memory of 2584	2164	2024-12-21_0e38243dcb91851f0646140a16d6832d_lockbit.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-12-21_0e38243dcb91851f0646140a16d6832d_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-21_0e38243dcb91851f0646140a16d6832d_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 88
  2⤵
  - Program crash
  PID:2584

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/2164-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

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memory/2164-1-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

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