f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7

Analysis

max time kernel
153s
max time network
51s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18-03-2023 22:57

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General

Target

wallpaper_engine/assets/effects/_empty/effect.json
Size

282B
MD5

52e41de7a6ff6c953319a86ad617c934
SHA1

262ad6da090c86b8e9bec39ebe8c2f7e81bf22a2
SHA256

0bd27aaac83573e62e2a2f3d847a87546fc7763132b7abbfc96ec25cca6f93c5
SHA512

b369874dbc346a85378683146d0b37474ad4ab88fb06d1430e953b91cb68da38335de893e54decafea1a9854efb8b7445ae0c1c976381d02b9881ca2eef9f86f

Score

3^/10

Malware Config

Signatures

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
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\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_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\json_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

892 AcroRd32.exe
892 AcroRd32.exe
892 AcroRd32.exe

pid	process
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1720 wrote to memory of 1680	1720	cmd.exe	rundll32.exe
PID 1720 wrote to memory of 1680	1720	cmd.exe	rundll32.exe
PID 1720 wrote to memory of 1680	1720	cmd.exe	rundll32.exe
PID 1680 wrote to memory of 892	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 892	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 892	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 892	1680	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\assets\effects\_empty\effect.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\assets\effects\_empty\effect.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1680

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\wallpaper_engine\assets\effects\_empty\effect.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:892

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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