cf60eacd48c1c27cad4b9d3754e6af6c6a6770748b4111916c53eda44f73b9f5

Analysis

max time kernel
150s
max time network
32s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20/03/2023, 23:02

Target

shaders/hlsl/renderchunk.fragment.hlsl
Size

1KB
MD5

8b7ce9e48a63d3bde45d8236ee142382
SHA1

d5740c9ae9a9b18e5cc43147fcf0b6b89800adc4
SHA256

12c21d230e6bb56630fef1163ecf05d0201552fc25f4532d46507d172c04ab23
SHA512

6390cc958338412e717f01f52d2471a88d56856046939e744b61798dc618edc98b48ccad402aa4170ad49949447421a0afe53f18534575d046645c3c16fffdeb

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\hlsl_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\hlsl_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.hlsl\ = "hlsl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\hlsl_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\hlsl_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\hlsl_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.hlsl	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\hlsl_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 560	1196	cmd.exe	28
PID 1196 wrote to memory of 560	1196	cmd.exe	28
PID 1196 wrote to memory of 560	1196	cmd.exe	28
PID 560 wrote to memory of 572	560	rundll32.exe	29
PID 560 wrote to memory of 572	560	rundll32.exe	29
PID 560 wrote to memory of 572	560	rundll32.exe	29
PID 560 wrote to memory of 572	560	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaders\hlsl\renderchunk.fragment.hlsl
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shaders\hlsl\renderchunk.fragment.hlsl
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:560
- - 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\hlsl\renderchunk.fragment.hlsl"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:572

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact