1396c36bd9947e858d503ec00dcf9cc329a1a142ba5091a03fd12cfa79144e3a

General

Target

2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe
Size

55KB
MD5

d19d3e4ac58a2d4639137adf919863d1
SHA1

6ef033ef0765ab13c8fa883e35264a9c608c3c6f
SHA256

1396c36bd9947e858d503ec00dcf9cc329a1a142ba5091a03fd12cfa79144e3a
SHA512

04ea190abe50542cf66ddf49bb62eb872465bdb2b3d5989d07452ac18d2808e898366b1aaf451a6b1409916a918c1e388238fda302a2482a0d11f407ef30d389
SSDEEP

768:QFOj0Pkj5ModZ4h2wd8iGjqW7AnHvtMaWRBB5sx4PC74801wSmY8u07uKL74kJGQ:GHE5Mod2kwd8L4qa4Bax40480pWFE2

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3000	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2228	TapiUnattend.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__b12f95989d717f30\TapiUnattend.exe:Zone.Identifier	2024-09-09_d19d3e4ac58a2d4639137adf919863d1_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	cmd.exe
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	2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TapiUnattend.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
3000	cmd.exe
2768	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\ProgramData\Microsoft\v2.0_2.0.0.0__b12f95989d717f30\TapiUnattend.exe:Zone.Identifier	2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2768	PING.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 3000	2156	2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe	32
PID 2156 wrote to memory of 3000	2156	2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe	32
PID 2156 wrote to memory of 3000	2156	2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe	32
PID 2156 wrote to memory of 3000	2156	2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe	32
PID 3000 wrote to memory of 2768	3000	cmd.exe	34
PID 3000 wrote to memory of 2768	3000	cmd.exe	34
PID 3000 wrote to memory of 2768	3000	cmd.exe	34
PID 3000 wrote to memory of 2768	3000	cmd.exe	34
PID 3000 wrote to memory of 2708	3000	cmd.exe	35
PID 3000 wrote to memory of 2708	3000	cmd.exe	35
PID 3000 wrote to memory of 2708	3000	cmd.exe	35
PID 3000 wrote to memory of 2708	3000	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe"
1⤵
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2156
- 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\2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-09-09_d19d3e4ac58a2d4639137adf919863d1_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:3000
- - 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:2768
- - C:\Windows\SysWOW64\fsutil.exe
    fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-09-09_d19d3e4ac58a2d4639137adf919863d1_lockbit.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2708

C:\ProgramData\Microsoft\v2.0_2.0.0.0__b12f95989d717f30\TapiUnattend.exe
C:\ProgramData\Microsoft\v2.0_2.0.0.0__b12f95989d717f30\TapiUnattend.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2228

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__b12f95989d717f30\TapiUnattend.exe

Filesize
55KB

MD5
d19d3e4ac58a2d4639137adf919863d1

SHA1
6ef033ef0765ab13c8fa883e35264a9c608c3c6f

SHA256
1396c36bd9947e858d503ec00dcf9cc329a1a142ba5091a03fd12cfa79144e3a

SHA512
04ea190abe50542cf66ddf49bb62eb872465bdb2b3d5989d07452ac18d2808e898366b1aaf451a6b1409916a918c1e388238fda302a2482a0d11f407ef30d389

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