cf60eacd48c1c27cad4b9d3754e6af6c6a6770748b4111916c53eda44f73b9f5

Analysis

max time kernel
150s
max time network
34s
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/entity.fragment.hlsl
Size

4KB
MD5

01be2ebcd4241d0cbd2e5799ebea2cd2
SHA1

a53ce1365b58b6af644c09b4e92dbc07dcae566f
SHA256

d52bc377ac506f305447bc5bb04759cf010ec2730012e070b97d5d24590d87ae
SHA512

c415613225fe7e8701501eee40eec97d346ae53c5898581673ed4e82fd356d24e83929259221a100ecb0a30851f7dd067705a1bab243c28aab9f77f82ab7e233
SSDEEP

96:PFu7f9MKieTp6LutNnooCVo8GJltM/FK/AIVFaZmGYVsApbJhjvZoo:PU79jxUu/nooYo8T/Slploo

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\hlsl_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.hlsl	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.hlsl\ = "hlsl_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_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-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\hlsl_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\hlsl_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\hlsl_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\hlsl_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 1476	912	cmd.exe	29
PID 912 wrote to memory of 1476	912	cmd.exe	29
PID 912 wrote to memory of 1476	912	cmd.exe	29
PID 1476 wrote to memory of 1092	1476	rundll32.exe	30
PID 1476 wrote to memory of 1092	1476	rundll32.exe	30
PID 1476 wrote to memory of 1092	1476	rundll32.exe	30
PID 1476 wrote to memory of 1092	1476	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaders\hlsl\entity.fragment.hlsl
1⤵
- Suspicious use of WriteProcessMemory
PID:912
- 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\entity.fragment.hlsl
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1476
- - 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\entity.fragment.hlsl"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1092

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact