f6a03a9d68e26460cc21634b35ce85f075b149a28fbcf1545cb81700bdd166e6

General

Target

2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe
Size

84KB
MD5

3b4d2de3486ad5b03071e8d70ce8da01
SHA1

3919462313d2b18ace72ca6589770fb839199f10
SHA256

f6a03a9d68e26460cc21634b35ce85f075b149a28fbcf1545cb81700bdd166e6
SHA512

5da6d3a181e800cbf4eee3879398f6cd2f3fc27a0239ccefd4e54c9401690f85ad63a2c8247f55b75f0883d96c09e478a5f7345170a5aa220d73c8e45540828d
SSDEEP

1536:PgxAxuW2ldyYvhauBSx40480jAbeHZrQKfAx:mAxuW+dDvUuBSx40480AeHdn4x

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2928	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	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__616160c917b28791\fltMC.exe:Zone.Identifier	2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_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	2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_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
2928	cmd.exe
2716	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\ProgramData\Microsoft\v2.0_2.0.0.0__616160c917b28791\fltMC.exe:Zone.Identifier	2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2716	PING.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2928	2128	2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe	31
PID 2128 wrote to memory of 2928	2128	2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe	31
PID 2128 wrote to memory of 2928	2128	2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe	31
PID 2128 wrote to memory of 2928	2128	2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe	31
PID 2928 wrote to memory of 2716	2928	cmd.exe	33
PID 2928 wrote to memory of 2716	2928	cmd.exe	33
PID 2928 wrote to memory of 2716	2928	cmd.exe	33
PID 2928 wrote to memory of 2716	2928	cmd.exe	33
PID 2928 wrote to memory of 2860	2928	cmd.exe	35
PID 2928 wrote to memory of 2860	2928	cmd.exe	35
PID 2928 wrote to memory of 2860	2928	cmd.exe	35
PID 2928 wrote to memory of 2860	2928	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe"
1⤵
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2128
- 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\2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_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:2928
- - 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:2716
- - C:\Windows\SysWOW64\fsutil.exe
    fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-10-10_3b4d2de3486ad5b03071e8d70ce8da01_lockbit.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2860

C:\ProgramData\Microsoft\v2.0_2.0.0.0__616160c917b28791\fltMC.exe
C:\ProgramData\Microsoft\v2.0_2.0.0.0__616160c917b28791\fltMC.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2760

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

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\v2.0_2.0.0.0__616160c917b28791\fltMC.exe

Filesize
84KB

MD5
3b4d2de3486ad5b03071e8d70ce8da01

SHA1
3919462313d2b18ace72ca6589770fb839199f10

SHA256
f6a03a9d68e26460cc21634b35ce85f075b149a28fbcf1545cb81700bdd166e6

SHA512
5da6d3a181e800cbf4eee3879398f6cd2f3fc27a0239ccefd4e54c9401690f85ad63a2c8247f55b75f0883d96c09e478a5f7345170a5aa220d73c8e45540828d

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Analysis

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