f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7

Analysis

max time kernel
153s
max time network
75s
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/blend/preview/materials/effects/blend.json
Size

162B
MD5

316f03acfe9235de86273722a8f4fc9a
SHA1

1831c437d01885d570a432baa9acf84a5aaa8d4d
SHA256

c2478eb0d0692751dcb504995efb02a684d21ced44de1ea04212eb221e824fa7
SHA512

8a95a0734feb63403eaf04eef33d3e8fe5fd6dceba7a11cbbb287d8627c3ef36b550df14098dc8a416419325be5668713bf275703d34961db77bd5fbd8cbfa96

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_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-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

764 AcroRd32.exe
764 AcroRd32.exe
764 AcroRd32.exe

pid	process
764	AcroRd32.exe
764	AcroRd32.exe
764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2040 wrote to memory of 1296	2040	cmd.exe	rundll32.exe
PID 2040 wrote to memory of 1296	2040	cmd.exe	rundll32.exe
PID 2040 wrote to memory of 1296	2040	cmd.exe	rundll32.exe
PID 1296 wrote to memory of 764	1296	rundll32.exe	AcroRd32.exe
PID 1296 wrote to memory of 764	1296	rundll32.exe	AcroRd32.exe
PID 1296 wrote to memory of 764	1296	rundll32.exe	AcroRd32.exe
PID 1296 wrote to memory of 764	1296	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\assets\effects\blend\preview\materials\effects\blend.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2040

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\blend\preview\materials\effects\blend.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1296

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\blend\preview\materials\effects\blend.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:764

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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