cf60eacd48c1c27cad4b9d3754e6af6c6a6770748b4111916c53eda44f73b9f5

Analysis

max time kernel
150s
max time network
33s
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.vertex.hlsl
Size

4KB
MD5

2888ec21a92608364a66d376385a9049
SHA1

0b938b1e45813a3e0d94dd83890ae312bb4900cf
SHA256

59f41328cc0243760deb8f167984c35c727e477e6c6aec21e1b8067be0cb61ff
SHA512

5aff604b81d71f6c31e9b4ace6135eccb544b4d5548bd1a94a18a5e03ef6158d4bff7b4da5c9cda8775f7e58ab7989c984029df5de4f3a6bc822d822605c0863
SSDEEP

96:PFQiSRu7f9MpKc6EieTdPkHYSMiuduAQ/3era8WaNXDL:PVB79vExlfJiYdAerv/

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_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-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\hlsl_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\hlsl_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.hlsl	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.hlsl\ = "hlsl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\hlsl_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\hlsl_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\hlsl_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 768	1992	cmd.exe	29
PID 1992 wrote to memory of 768	1992	cmd.exe	29
PID 1992 wrote to memory of 768	1992	cmd.exe	29
PID 768 wrote to memory of 1148	768	rundll32.exe	30
PID 768 wrote to memory of 1148	768	rundll32.exe	30
PID 768 wrote to memory of 1148	768	rundll32.exe	30
PID 768 wrote to memory of 1148	768	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaders\hlsl\entity.vertex.hlsl
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- 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.vertex.hlsl
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:768
- - 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.vertex.hlsl"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1148

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact