lockbit | af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
31-05-2024 09:32

Target

af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe
Size

364KB
MD5

c222fd2acfaec467e93a0e4b2653f78e
SHA1

04545ec2ad85efe58855423b790012e0014fd790
SHA256

af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f
SHA512

6281ad022050b4e225c2aff5e76b4d56fccb5ac5e191a8caea8cd77971783086be96df50fefddf20fef2e16a824db9efdea0d907ae2651b0a057f45067765336
SSDEEP

6144:QGgrGtFy/QTeZu5XKDV+9B6JEf5Jsz01MJr0XJvZsVWGUfDEBlkJqnVn7yEGg:QfrGtHTecZAVPwsz5ANZswGUrEQ4p2S

Score

10^/10

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2312-2-0x0000000000400000-0x0000000000447000-memory.dmp	family_lockbit
behavioral1/memory/2312-6-0x0000000000400000-0x0000000000447000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1756	2312	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe

description	pid	Process	procid_target
PID 2312 wrote to memory of 1756	2312	af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe	28
PID 2312 wrote to memory of 1756	2312	af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe	28
PID 2312 wrote to memory of 1756	2312	af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe	28
PID 2312 wrote to memory of 1756	2312	af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe	28

C:\Users\Admin\AppData\Local\Temp\af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe
"C:\Users\Admin\AppData\Local\Temp\af71567efa834a7a6008885bf25c5444d9bf7e8616725ace13e1443c82ede98f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 100
  2⤵
  - Program crash
  PID:1756

memory/2312-0-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2312-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2312-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2312-3-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2312-4-0x00000000002F0000-0x000000000032B000-memory.dmp

Filesize
236KB

Download
memory/2312-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2312-5-0x0000000000401000-0x000000000041B000-memory.dmp

Filesize
104KB

Download
memory/2312-8-0x00000000002F0000-0x000000000032B000-memory.dmp

Filesize
236KB

Download