3bf1f5ed6e34ef9cf05ce2f86150c561fce51997e83587a19ba81639f56af597

General

Target

2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe
Size

32KB
MD5

6d13fba98c6cee96d4c6086124101f89
SHA1

efa1b9af5eb6767a2c28abdd1b564a975100e92b
SHA256

3bf1f5ed6e34ef9cf05ce2f86150c561fce51997e83587a19ba81639f56af597
SHA512

26e6b6f930c4a85f1dd71a833750f1cc95c974fe7bc171e853436d44b15abfabcddbe2670577774090887a8bf858c28d847ca36e175066b4969139594e09f71a
SSDEEP

768:7FOj0Pkj5ModZ4h2wd8iGjqW7AnHvtMaWRBB5sx4PC74801wGt:JHE5Mod2kwd8L4qa4Bax40480ht

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2612	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	rasautou.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__96575936e28d6db5\rasautou.exe:Zone.Identifier	2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rasautou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fsutil.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
2612	cmd.exe
2640	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\ProgramData\Microsoft\v2.0_2.0.0.0__96575936e28d6db5\rasautou.exe:Zone.Identifier	2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2640	PING.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2612	2536	2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe	32
PID 2536 wrote to memory of 2612	2536	2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe	32
PID 2536 wrote to memory of 2612	2536	2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe	32
PID 2536 wrote to memory of 2612	2536	2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe	32
PID 2612 wrote to memory of 2640	2612	cmd.exe	34
PID 2612 wrote to memory of 2640	2612	cmd.exe	34
PID 2612 wrote to memory of 2640	2612	cmd.exe	34
PID 2612 wrote to memory of 2640	2612	cmd.exe	34
PID 2612 wrote to memory of 2628	2612	cmd.exe	35
PID 2612 wrote to memory of 2628	2612	cmd.exe	35
PID 2612 wrote to memory of 2628	2612	cmd.exe	35
PID 2612 wrote to memory of 2628	2612	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe"
1⤵
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2536
- 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\2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-09-14_6d13fba98c6cee96d4c6086124101f89_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:2612
- - 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:2640
- - C:\Windows\SysWOW64\fsutil.exe
    fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-09-14_6d13fba98c6cee96d4c6086124101f89_lockbit.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2628

C:\ProgramData\Microsoft\v2.0_2.0.0.0__96575936e28d6db5\rasautou.exe
C:\ProgramData\Microsoft\v2.0_2.0.0.0__96575936e28d6db5\rasautou.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2880

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 Information Discovery

1

T1082

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

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\v2.0_2.0.0.0__96575936e28d6db5\rasautou.exe

Filesize
32KB

MD5
6d13fba98c6cee96d4c6086124101f89

SHA1
efa1b9af5eb6767a2c28abdd1b564a975100e92b

SHA256
3bf1f5ed6e34ef9cf05ce2f86150c561fce51997e83587a19ba81639f56af597

SHA512
26e6b6f930c4a85f1dd71a833750f1cc95c974fe7bc171e853436d44b15abfabcddbe2670577774090887a8bf858c28d847ca36e175066b4969139594e09f71a

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Analysis

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