a0729f4553ce9ed9c02c158ccc3be2c4b312c967a134ee7934bc290e028bf9be

Analysis

max time kernel
39s
max time network
35s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
04-07-2023 00:09

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General

Target

Lockdir6.lg
Size

51B
MD5

573c166df7e9e352a6124248bca0f06d
SHA1

276174a49b005a0ddbd0f8e8fd57157352578063
SHA256

a0729f4553ce9ed9c02c158ccc3be2c4b312c967a134ee7934bc290e028bf9be
SHA512

0fc5d7549a4ddcf445de3a737ec62e4724b3964838e8b573b9428fccd9afdc4f64e7ecd3c40a33b4c0e1d15aec6c8032561de16b08e4a86419e3fe4b80624731

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\lg_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\lg_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\lg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\lg_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\lg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\.lg	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\.lg\ = "lg_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\lg_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2912	AcroRd32.exe
2912	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2940	2400	cmd.exe	29
PID 2400 wrote to memory of 2940	2400	cmd.exe	29
PID 2400 wrote to memory of 2940	2400	cmd.exe	29
PID 2940 wrote to memory of 2912	2940	rundll32.exe	30
PID 2940 wrote to memory of 2912	2940	rundll32.exe	30
PID 2940 wrote to memory of 2912	2940	rundll32.exe	30
PID 2940 wrote to memory of 2912	2940	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Lockdir6.lg
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Lockdir6.lg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Lockdir6.lg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
581c579b510bf3defefd9742b0c863d3

SHA1
517640aa50af052b220f761bedba983608aa6b40

SHA256
9197381ddf597327ab89b0fe76285f4abd8a3b14ca425a1c96102025cf8ca3e0

SHA512
753879dcdda27ca36a3ab1ed2f9aada2550b0ac65b83c7ba069312849f180819fa512a712e64f40cd8572de8a7af47d9a689b04a5bbf5b811274f32a1bb29607

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