lockbit | 5905429ed21ed6084489757b954d688d586717290b8c998eaf6160efa9524ebf

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 10:42

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General

Target

2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe
Size

141KB
MD5

5ef77f016890c85a937f246126bab300
SHA1

bcdb94b1ef0adf8c477a1877beed6b301dd585df
SHA256

5905429ed21ed6084489757b954d688d586717290b8c998eaf6160efa9524ebf
SHA512

e34e736555b258c3811f6d68861bc8aaa35839a853728cc90a32aebb18b5bc97982ccf4d736940bf29ea88a6433af1864f99d1e54193ca5c54dbbb8e4a5069ba
SSDEEP

3072:Z+Tr08bEPZgNFD6JYGokd2ldzcriRSovjE8l2q7+sQMuFFbjt:ZwrNQTJ4kg6LUjnR7+sPwFbjt

Score

10^/10

lockbit discovery 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 2 IoCs

resource	yara_rule
behavioral1/memory/2280-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit
behavioral1/memory/2280-1-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2300	2280	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2300	2280	2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe	31
PID 2280 wrote to memory of 2300	2280	2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe	31
PID 2280 wrote to memory of 2300	2280	2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe	31
PID 2280 wrote to memory of 2300	2280	2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-20_5ef77f016890c85a937f246126bab300_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 88
  2⤵
  - Program crash
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2280-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2280-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download