lockbit | c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
31-05-2024 07:39

Target

c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe
Size

352KB
MD5

ca18cbeb14b511e2a0ed10fd1d525941
SHA1

5ab566b16ffbc56feeb059541ad8145a3bc6dd63
SHA256

c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590
SHA512

b2e71227d5c100815d56974ff2c861f898c161aeca14e78409902fef7e11832da742433bcfa19debbe2577f07abda2508a334144db1fc47e37281e87fae32c31
SSDEEP

6144:COAHKX0LfgPQ3/zCBJyymj/q7sO9Tjuacclkm10URHAeC8e3ciX87vW4kF:CZ5gPw/6kX/0N6acIbxZze3cr7u9F

Score

10^/10

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

Rule to detect Lockbit 3.0 ransomware Windows payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2044-6-0x0000000000400000-0x0000000000444000-memory.dmp	family_lockbit
behavioral1/memory/2044-1-0x0000000000400000-0x0000000000444000-memory.dmp	family_lockbit
behavioral1/memory/2044-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2340	2044	WerFault.exe	29

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe

description	pid	Process	procid_target
PID 2044 wrote to memory of 2340	2044	c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe	30
PID 2044 wrote to memory of 2340	2044	c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe	30
PID 2044 wrote to memory of 2340	2044	c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe	30
PID 2044 wrote to memory of 2340	2044	c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe	30

C:\Users\Admin\AppData\Local\Temp\c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe
"C:\Users\Admin\AppData\Local\Temp\c7a734bc1dd8ecb996fc1b50f2133b3f281b16e2a25dbb445c3f065b88bf9590.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 100
  2⤵
  - Program crash
  PID:2340

memory/2044-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2044-5-0x0000000000401000-0x0000000000419000-memory.dmp

Filesize
96KB

Download
memory/2044-4-0x00000000002F0000-0x000000000032B000-memory.dmp

Filesize
236KB

Download
memory/2044-2-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2044-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2044-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2044-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download