76a1ff6c0d7827ecd0857e5a9b5298337f232662767abf0f011154c85b6da8ef

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 00:33

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General

Target

shaders/Common.inc
Size

10KB
MD5

759f79f0619293414bd567bb1b59bc00
SHA1

5764bf92baf0cc32e608fbb2f5631f2a40dfcc6c
SHA256

b02c2948e8e0c05e81490f97acbdbbeb2dd47d71d92bbe9e014299a523bd6009
SHA512

7dd1210e3674b749ac1fbda0fe4cadc429a3103680081a63cfe65fee2e3121cbc9fb41a3db727100949b4f3ff3a9dd672e628e00faa8bd71c73830e562b09e07
SSDEEP

192:gRZ29M37bx/Vk9InPCteDcBLgteDcuFbBFb3FbN:iZ2UFe9teDVeDvlBl3lN

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 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.inc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.inc\ = "inc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\inc_auto_file\shell\edit\command	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2668	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2680	3044	cmd.exe	29
PID 3044 wrote to memory of 2680	3044	cmd.exe	29
PID 3044 wrote to memory of 2680	3044	cmd.exe	29
PID 2680 wrote to memory of 2668	2680	rundll32.exe	30
PID 2680 wrote to memory of 2668	2680	rundll32.exe	30
PID 2680 wrote to memory of 2668	2680	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaders\Common.inc
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shaders\Common.inc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\shaders\Common.inc
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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