lockbit | 66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02

Analysis

max time kernel
31s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06/03/2023, 11:49

Target

4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe
Size

142KB
MD5

290ee6b6f6b2a5f0899a6f35073f8eb4
SHA1

4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0
SHA256

66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02
SHA512

44099b230b8a9bf96282b97c3de9c7acb3cbeceb5d973219b27f84faea0d47ec7290ee93d8cab95342489e0ece89301aa37782cb37c608dbafc2c51765a4f713
SSDEEP

3072:0dFLWuuHITVFQpzfYP2IXNoj9VnPvJKCMq8DAGmMN0:6uHCFezQeIXNg9VPvJRK3mMN0

Score

10^/10

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/1304-54-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	1304	WerFault.exe	26

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1728	1304	4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe	27
PID 1304 wrote to memory of 1728	1304	4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe	27
PID 1304 wrote to memory of 1728	1304	4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe	27
PID 1304 wrote to memory of 1728	1304	4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe	27

C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe
"C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 88
  2⤵
  - Program crash
  PID:1728

memory/1304-54-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

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