lockbit | 447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
31-05-2024 05:29

Target

447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe
Size

358KB
MD5

e8ae235a149a07478ee9e7d3a25dae4d
SHA1

2e600a06ce9853bcd3c294b4d4425321a7bc72be
SHA256

447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c
SHA512

1167609b057a25840dbab2a9797e5d6912eb6e88a12248892925aa990697fb49b9701130ed98fce87ce574c94b7ba638a57e2c86ad1bed0a001dc02fb99f142d
SSDEEP

6144:ibv2JXcDgv0iHihoB6UVB4felCyBULn0Dp2UD8giHwBXv8x99Omz3Jm4OF:irrzsF4T9ksk8g9BU3YEpm

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/2288-6-0x0000000000400000-0x0000000000445000-memory.dmp	family_lockbit
behavioral1/memory/2288-2-0x0000000000400000-0x0000000000445000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2220	2288	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe

description	pid	Process	procid_target
PID 2288 wrote to memory of 2220	2288	447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe	28
PID 2288 wrote to memory of 2220	2288	447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe	28
PID 2288 wrote to memory of 2220	2288	447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe	28
PID 2288 wrote to memory of 2220	2288	447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe	28

C:\Users\Admin\AppData\Local\Temp\447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe
"C:\Users\Admin\AppData\Local\Temp\447fdc7bec7188aae3362b440d726431afd250b321477bc037ef12c8c3985c5c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 100
  2⤵
  - Program crash
  PID:2220

memory/2288-0-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2288-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2288-4-0x0000000000360000-0x000000000039B000-memory.dmp

Filesize
236KB

Download
memory/2288-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2288-5-0x0000000000401000-0x0000000000419000-memory.dmp

Filesize
96KB

Download
memory/2288-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2288-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download