f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7

Analysis

max time kernel
154s
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/effects/spin/effect.json
Size

322B
MD5

2c6d7c3a4f2a24dde5f6485eb0f2491d
SHA1

d3bd00d5de7b6cef86c290285286c2e622e5a2f2
SHA256

ad2f03953252a99016126fd3a8b2168b52af6d6e4eca392ba7d2c18750bd8af3
SHA512

76d9156cc0212f2a0f1b77beeae6892dd669b593cf72673ca607f53046155f90e8c10a8ea71af8c308d13e1e25f7e9d85870bf47c756ccebd538acc7ebce83f2

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
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_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\Local Settings	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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\json_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1788 AcroRd32.exe
1788 AcroRd32.exe
1788 AcroRd32.exe

pid	process
1788	AcroRd32.exe
1788	AcroRd32.exe
1788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1196 wrote to memory of 1256	1196	cmd.exe	rundll32.exe
PID 1196 wrote to memory of 1256	1196	cmd.exe	rundll32.exe
PID 1196 wrote to memory of 1256	1196	cmd.exe	rundll32.exe
PID 1256 wrote to memory of 1788	1256	rundll32.exe	AcroRd32.exe
PID 1256 wrote to memory of 1788	1256	rundll32.exe	AcroRd32.exe
PID 1256 wrote to memory of 1788	1256	rundll32.exe	AcroRd32.exe
PID 1256 wrote to memory of 1788	1256	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\assets\effects\blend\preview\effects\spin\effect.json
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\wallpaper_engine\assets\effects\blend\preview\effects\spin\effect.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1256

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\effects\spin\effect.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1788

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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