lockbit | 3833c60c2bf3758f555ca232f2502add5f06c793f7bc0e6debf09b00cdb4c062

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16/08/2024, 13:14

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General

Target

773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe
Size

151KB
MD5

9c74401a28bd71a87cdf5c17ad1dffa5
SHA1

3fb65bff6f6d49eb46e2699d567fcabd241074a2
SHA256

773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403
SHA512

845553188def5f9a17f6789a2f95d102af5e5b80321e612f8dd9fd63883c4ada0f4d448a40447896dd590f1ef48f792fd37da0ab9b00a98e9508e4e13a4603ee
SSDEEP

3072:R0QBbX2yJN06TjwJULJmmR4+pWqvEKzxPflmZaPx3QzV5Rt5u:R0QxZTjwJULzl9zxnlwaPSzVHu

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/2548-0-0x0000000000400000-0x0000000000429000-memory.dmp	family_lockbit
behavioral1/memory/2548-1-0x0000000000400000-0x0000000000429000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	2548	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2416	2548	773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe	30
PID 2548 wrote to memory of 2416	2548	773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe	30
PID 2548 wrote to memory of 2416	2548	773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe	30
PID 2548 wrote to memory of 2416	2548	773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe	30

C:\Users\Admin\AppData\Local\Temp\773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe
"C:\Users\Admin\AppData\Local\Temp\773f9b531c8d59a32aad6f7f50e4a22c6e5642d4e70eed0a12390caf66eb8403.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 88
  2⤵
  - Program crash
  PID:2416

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

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Downloads

memory/2548-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

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memory/2548-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download