lockbit | 0d38f8bf831f1dbbe9a058930127171f24c3df8dae81e6aa66c430a63cbe0509 | Triage

Analysis

max time kernel
139s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 12:02

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General

Target

lockbit3.exe
Size

162KB
MD5

44e8c23bfb649ecf4cb753ec332899dd
SHA1

465f5b6de78ee184f1ee3400e4edaa0e85558d9e
SHA256

0d38f8bf831f1dbbe9a058930127171f24c3df8dae81e6aa66c430a63cbe0509
SHA512

81f369f044e3b403aae8789c741cbf16e167a38386ef38c49d57a3c8e568b5b75d881f92881aeb10a918ed449ab89b27d70c2809cd956883660ed0202c0caf51
SSDEEP

3072:NEWBPJgr1sgLFXdJ6Xx7OchgXC6TESq072WHI4nL2knI+eT:N71J4sgLBd0Ocz6TEBmHFnLm+eT

Score

10^/10

lockbit ransomware

Malware Config

Signatures

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2764-133-0x0000000000400000-0x000000000042C000-memory.dmp	family_lockbit

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1932 2764 WerFault.exe lockbit3.exe
3900 2112 WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeBackupPrivilege	1496	svchost.exe
Token: SeRestorePrivilege	1496	svchost.exe
Token: SeSecurityPrivilege	1496	svchost.exe
Token: SeTakeOwnershipPrivilege	1496	svchost.exe
Token: 35	1496	svchost.exe

C:\Users\Admin\AppData\Local\Temp\lockbit3.exe
"C:\Users\Admin\AppData\Local\Temp\lockbit3.exe"
1⤵
PID:2764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 272
2⤵
- Program crash
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2764 -ip 2764
1⤵
PID:4932

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 548 -p 2112 -ip 2112
1⤵
PID:688

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2112 -s 1748
1⤵
- Program crash
PID:3900

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k SDRSVC
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1496

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2764-133-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

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