lockbit | 7be5aadca6217a7d7ba0460b5b1e5bb31dd5e9b2fa17994113373611ed52e850

Analysis

max time kernel
138s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 14:04

Target
1866b28b51045944df18e63c9a5989afe985e30ff1944db6544ca76b32235567.exe
Size 155KB
Sample240417-rdkzmaba52
SHA256 1866b28b51045944df18e63c9a5989afe985e30ff1944db6544ca76b32235567
MD5 7f58f9289043b2a83499feccfb99d540
SHA1 e56759e391b3c03d2ef739cf3cf12b9b694aeade
SHA512 37b49d90e1f6fc9faa3f2838a2b0271de673561f4a131d78f7f450c592ea05e21683752ad208ced5a21757a209e7c9610f886f5fc7ebb9ab83f33806fd885e79
SSDEEP 3072:2np35jXFxXHcJhKq5mPyhOw7DZcdIP1MRg0h9VE534dZ0gYHBjDDd:2zjF+Jx5mSlRcdISR9Va34H0D5DDd
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 2 IoCs

resource	yara_rule
behavioral2/memory/2848-0-0x0000000000400000-0x000000000042A000-memory.dmp	family_lockbit
behavioral2/memory/2848-1-0x0000000000400000-0x000000000042A000-memory.dmp	family_lockbit

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3732	2848	WerFault.exe	90
4480	2848	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 3732	2848	1866b28b51045944df18e63c9a5989afe985e30ff1944db6544ca76b32235567.exe	93
PID 2848 wrote to memory of 3732	2848	1866b28b51045944df18e63c9a5989afe985e30ff1944db6544ca76b32235567.exe	93
PID 2848 wrote to memory of 3732	2848	1866b28b51045944df18e63c9a5989afe985e30ff1944db6544ca76b32235567.exe	93

C:\Users\Admin\AppData\Local\Temp\1866b28b51045944df18e63c9a5989afe985e30ff1944db6544ca76b32235567.exe
"C:\Users\Admin\AppData\Local\Temp\1866b28b51045944df18e63c9a5989afe985e30ff1944db6544ca76b32235567.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 264
  2⤵
  - Program crash
  PID:3732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 264
  2⤵
  - Program crash
  PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2848 -ip 2848
1⤵
PID:440

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:5052

memory/2848-0-0x0000000000400000-0x000000000042A000-memory.dmp

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memory/2848-1-0x0000000000400000-0x000000000042A000-memory.dmp

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