lockbit | ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 16:58

Target
ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3.exe
Size 141KB
Sample240318-vgs17adf39
SHA256 ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3
MD5 a1dd7ab3e0d5a5c92b8beb2ed9c38a25
SHA1 30eb96edca547b74d67bdf490f172dfb52b79c95
SHA512 deb3353f3e3bbfb6c17b143f8c6bc79ea87668e0ef115a47d46d857655d217f7666c1f112c0b2737a5aabb38a6010c49f2ea7b962b85085bb44111c964dee355
SSDEEP 3072:bbwjWnrhKA44EY88KS2aDXnKPawq5chMUUiM9Ksw3gXbXbHcn5wuGJb:n4O9KaVRNXKawq5iG9QgLr8RGN
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/2752-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	2752	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2912	2752	ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3.exe	28
PID 2752 wrote to memory of 2912	2752	ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3.exe	28
PID 2752 wrote to memory of 2912	2752	ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3.exe	28
PID 2752 wrote to memory of 2912	2752	ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3.exe	28

C:\Users\Admin\AppData\Local\Temp\ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3.exe
"C:\Users\Admin\AppData\Local\Temp\ecb8f0a0796a9fa618caeff857f84d8a4242310b4f1fbbc2c435dec585af3aa3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 88
  2⤵
  - Program crash
  PID:2912

memory/2752-0-0x0000000000400000-0x0000000000427000-memory.dmp

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