lockbit | 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 04:10

Target
391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe
Size 162KB
Sample240314-erch7acd47
SHA256 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5
MD5 bd440d2c348b4cc4b6ad75f92d9e1c13
SHA1 faafd96ac68278360353c35d0bf3d5a353292f11
SHA512 8da82f0496b1a7bcb6cf0523858efd7110f1da5320399bc9be7d23cdd9a53716685af5619559265edb858d50e7c9abb1ebb63fa67aca6f06c9869528046d5ea1
SSDEEP 3072:Iy1IbCkfer2IsGpQf8oFTO3PfvXdG4pcT+fwfNZi5kSpRIFf34icFQ+d5S:IcxkOTpQ8olO/fvc5T+iNEkJ34igQ+/S
MD5 SHA1 SHA512 SSDEEP

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/640-0-0x0000000000400000-0x000000000042C000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2016	640	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 2016	640	391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe	28
PID 640 wrote to memory of 2016	640	391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe	28
PID 640 wrote to memory of 2016	640	391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe	28
PID 640 wrote to memory of 2016	640	391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe	28

C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe
"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 88
  2⤵
  - Program crash
  PID:2016

memory/640-0-0x0000000000400000-0x000000000042C000-memory.dmp

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