lockbit | ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 12:32

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General

Target

ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe
Size

141KB
MD5

864b7c6c1392abb19ce9540479f8d674
SHA1

44e7e3aff92e11025012ec316f7bfd12b8753add
SHA256

ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c
SHA512

3fb8c8bc7cc6fecdf64119ebe83b691034a38e74adf5eb04cd2c3dd9aeed216003ce99908825bada02ce1fbf9c429c4881490c12bc98cf66daea3ee54fe824ba
SSDEEP

3072:MHjZRcVtvByY1N6E/eVXsTJdRLsBMJBzUDuBKLhwkSWgwok:2Mrv4Y1N6EgXsfSubzUDuBwhdmwok

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

Processes:

resource	yara_rule
behavioral1/memory/2736-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit
behavioral1/memory/2736-1-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2796	2736	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:

ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe

description	pid	Process	procid_target
PID 2736 wrote to memory of 2796	2736	ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe	30
PID 2736 wrote to memory of 2796	2736	ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe	30
PID 2736 wrote to memory of 2796	2736	ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe	30
PID 2736 wrote to memory of 2796	2736	ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe	30

C:\Users\Admin\AppData\Local\Temp\ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe
"C:\Users\Admin\AppData\Local\Temp\ac0c03790efa9dd8d7057aac12ac048d8ccd052821a6c00b8268279de84ecc6c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 88
  2⤵
  - Program crash
  PID:2796

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/2736-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

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memory/2736-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download