lockbit | f566f21f3db0c4a9f421f18e6561279b4dd4c5fd3c32456a6f2e5b927b49719d

Resubmissions

23-05-2024 09:35

28-04-2024 14:29

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 09:35

Target

LockBit-Black-Builder-main/LockBit-Black-Builder-main/LockBit3Builder/Build/LB3_Rundll32_pass.dll
Size

148KB
MD5

93046eb83f029ea9dc24522e88cfe75e
SHA1

fe73ccfbb8c3a124a884f19b5149224265ca59e9
SHA256

b530be92d5785dbf1446d898c04702b33c58b985a2a29f6131688badf6b6ee56
SHA512

666be29c79db61eaf6d291de9e3cf6a47438d961ede6b56edc6ff98ca6256341e39a9ca9f177244dc4e83e6c43599b0395c81647ce60c874d1b057994cef41f8
SSDEEP

3072:+R/3wDb7wo0h86nHjVzmGzzAAIGMaoz8o077WLm+BzuSeqIHGJLO:y3cwXhBDVzmYMAIdP0/kbzu9qImJy

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
behavioral15/memory/624-0-0x0000000010000000-0x0000000010029000-memory.dmp	family_lockbit

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 624	1368	rundll32.exe	82
PID 1368 wrote to memory of 624	1368	rundll32.exe	82
PID 1368 wrote to memory of 624	1368	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_Rundll32_pass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\LockBit-Black-Builder-main\LockBit-Black-Builder-main\LockBit3Builder\Build\LB3_Rundll32_pass.dll,#1
  2⤵
  PID:624

memory/624-0-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

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