2fc03a0b64faf7a4db310f2f7c931bcfec7137a62f066555ea34d12f325e21a2

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 18:13

Target

clumsy 0.7 v2/xmmintrin.h
Size

106KB
MD5

04b4174745d9f46d48080aefb7d04c2c
SHA1

478f97abfaba53478b15648f4ed51b0f3f1a4799
SHA256

874f9651d758cfe659021e41794f8e8fede3cbe87caf7a997e58d38eef2b3af3
SHA512

169c8152de3eba1351250e4d08191ee6ead0587734d202aba42356a70d44889f55c1875a5e7e5d15287c7dc1e697db65f049b02702b2fc7ec47e50092aa586a9
SSDEEP

1536:CO0BIl1Fexvtw97q78Nhr9aNhr9QeatQr6qUqYHUqTwE4wxcdFNZFEngbNSKrbsK:mpJC0

Score

3^/10

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.h\ = "h_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\shell\edit\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.h	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\h_auto_file\shell\edit	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2556	768	cmd.exe	29
PID 768 wrote to memory of 2556	768	cmd.exe	29
PID 768 wrote to memory of 2556	768	cmd.exe	29
PID 2556 wrote to memory of 2792	2556	rundll32.exe	30
PID 2556 wrote to memory of 2792	2556	rundll32.exe	30
PID 2556 wrote to memory of 2792	2556	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\clumsy 0.7 v2\xmmintrin.h"
1⤵
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\clumsy 0.7 v2\xmmintrin.h
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\clumsy 0.7 v2\xmmintrin.h
    3⤵
    PID:2792

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact