3c43307c95bc1d14bcd0832fc23723b448ac589e43cadb15f703399690185804

General

Target

2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe
Size

54KB
MD5

203b9de006b29f4aff371052e6523d2d
SHA1

b4c580c780891b510cf58447bbb6394b2f81b0f5
SHA256

3c43307c95bc1d14bcd0832fc23723b448ac589e43cadb15f703399690185804
SHA512

d4b17b00675f239067d8a301bcde0e6ebe7282c94aae8410b251aad71d1cb3f9b6d389db52b9280fbcd77d79075d37b76329c739617f5432b7c7cc2e061a2650
SSDEEP

1536:rgxAxuW2ldyYvhauBSx40480UDkvvvvvvvvvvvvvvvvvv6JK+:6AxuW+dDvUuBSx40480OBJK+

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2556	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	fltMC.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File opened for modification	C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\fltMC.exe:Zone.Identifier	2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fsutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fltMC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2588	PING.EXE
2556	cmd.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\fltMC.exe:Zone.Identifier	2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2588	PING.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2556	2668	2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe	32
PID 2668 wrote to memory of 2556	2668	2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe	32
PID 2668 wrote to memory of 2556	2668	2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe	32
PID 2668 wrote to memory of 2556	2668	2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe	32
PID 2556 wrote to memory of 2588	2556	cmd.exe	34
PID 2556 wrote to memory of 2588	2556	cmd.exe	34
PID 2556 wrote to memory of 2588	2556	cmd.exe	34
PID 2556 wrote to memory of 2588	2556	cmd.exe	34
PID 2556 wrote to memory of 2224	2556	cmd.exe	35
PID 2556 wrote to memory of 2224	2556	cmd.exe	35
PID 2556 wrote to memory of 2224	2556	cmd.exe	35
PID 2556 wrote to memory of 2224	2556	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe"
1⤵
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /d /c ping -n 2 127.0.0.1 > NUL & fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe" > NUL & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2588
- - C:\Windows\SysWOW64\fsutil.exe
    fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-09-19_203b9de006b29f4aff371052e6523d2d_lockbit.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2224

C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\fltMC.exe
C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\fltMC.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\v2.0_2.0.0.0__420614a3f561d8b9\fltMC.exe

Filesize
54KB

MD5
203b9de006b29f4aff371052e6523d2d

SHA1
b4c580c780891b510cf58447bbb6394b2f81b0f5

SHA256
3c43307c95bc1d14bcd0832fc23723b448ac589e43cadb15f703399690185804

SHA512
d4b17b00675f239067d8a301bcde0e6ebe7282c94aae8410b251aad71d1cb3f9b6d389db52b9280fbcd77d79075d37b76329c739617f5432b7c7cc2e061a2650

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Analysis

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