41ad49c31906c40bec453838565dedf163b5741b4b9df9369eea672978f0e4ca

Analysis

max time kernel
149s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05/03/2023, 18:50

Target

shaders/world1/composite3.vsh
Size

119B
MD5

c9cb792f8d534865bbfd63b6a681a0b8
SHA1

f7dac997b5706e8d689d5df4023789aa66811c6e
SHA256

74dceffce39a8e59094fc1d49de58868307feb620f18ee41a0ad6cf8ed1ab51a
SHA512

9d9953399b4679fb483963678ff366e5789966dc7db443b76b6fcec3c23c98c004090044aafe0a2c56e490b3101a857d92e93e18354f1f03fe74ae27f21d290c

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\vsh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\vsh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\vsh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\vsh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\vsh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.vsh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.vsh\ = "vsh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\vsh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1316	2044	cmd.exe	29
PID 2044 wrote to memory of 1316	2044	cmd.exe	29
PID 2044 wrote to memory of 1316	2044	cmd.exe	29
PID 1316 wrote to memory of 1672	1316	rundll32.exe	30
PID 1316 wrote to memory of 1672	1316	rundll32.exe	30
PID 1316 wrote to memory of 1672	1316	rundll32.exe	30
PID 1316 wrote to memory of 1672	1316	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaders\world1\composite3.vsh
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shaders\world1\composite3.vsh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1316
- - 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\shaders\world1\composite3.vsh"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1672

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact