lockbit | 8db4fea36304d2a338f30d12402c0894c95c0d193cd6f148bc86e8cb44f03822

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13-08-2024 00:49

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General

Target

2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe
Size

144KB
MD5

77c868ffef4296df6bb4a6b9c474dc01
SHA1

75b7bc8eb9b95f88eee2b10381795a189fdfbc13
SHA256

8db4fea36304d2a338f30d12402c0894c95c0d193cd6f148bc86e8cb44f03822
SHA512

b388e231ca81c2591a8beea584c90e803f5780abe7778b9a1385a439d5894c1d8dcb8e56631caa3f39f765dadea25840433f25797d5f410196259dd54417181b
SSDEEP

3072:WWlBkrqSCrRp5I6jZlpGnAVOyI1MqwkAcfJFckEKoW8k3:xlLNpfjVGn/1pvRxCTrI3

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 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2852-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2360	2852	WerFault.exe	29

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

Processes:

2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe

description	pid	Process	procid_target
PID 2852 wrote to memory of 2360	2852	2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe	30
PID 2852 wrote to memory of 2360	2852	2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe	30
PID 2852 wrote to memory of 2360	2852	2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe	30
PID 2852 wrote to memory of 2360	2852	2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-13_77c868ffef4296df6bb4a6b9c474dc01_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 88
  2⤵
  - Program crash
  PID:2360

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/2852-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

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