f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7

Analysis

max time kernel
157s
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/blend/preview/effects/transform/effect.json
Size

381B
MD5

374696ff7fa53d1dae69706c8d8bf9a6
SHA1

75a41ae0b790a5579b002a5c5aef80a6f2f73929
SHA256

48d113161ba395ad565c50a8d45d9a3807be8912c6430fecbe6f7ff03eb4dc00
SHA512

8404ef6a7eac1b98166956d8ab4414158a6f8ac0feedb5a8791818fa8ac1f3430bd71e8a435471a3e1c8217e8e74a0c2a2cef83c67c9b2d2bd4afd2835867536

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-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_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-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1760 AcroRd32.exe
1760 AcroRd32.exe
1760 AcroRd32.exe

pid	process
1760	AcroRd32.exe
1760	AcroRd32.exe
1760	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1216 wrote to memory of 532	1216	cmd.exe	rundll32.exe
PID 1216 wrote to memory of 532	1216	cmd.exe	rundll32.exe
PID 1216 wrote to memory of 532	1216	cmd.exe	rundll32.exe
PID 532 wrote to memory of 1760	532	rundll32.exe	AcroRd32.exe
PID 532 wrote to memory of 1760	532	rundll32.exe	AcroRd32.exe
PID 532 wrote to memory of 1760	532	rundll32.exe	AcroRd32.exe
PID 532 wrote to memory of 1760	532	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\assets\effects\blend\preview\effects\transform\effect.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1216

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\transform\effect.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:532

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\transform\effect.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1760

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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