f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7

Analysis

max time kernel
152s
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/materials/effectpreview.json
Size

225B
MD5

79e9d8b0f3023e6c66359e4d6ce3d37f
SHA1

8d3877586f3522082e43b4503a1aaef297e8d2e5
SHA256

9d24e0240b9ab7ebc4aeccdc79703f4efa6b4146c4de79d87f5f7ab63755c5da
SHA512

ea2d38847a40aedfcc8f1a1f0618ede1dcc3eb2d6bf37c3ae7d3e113faa1ce0e695d816da58c38078cc1b835d71fbffc102fbc1a6e83c2029b329ab3ef6d285d

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-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_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-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

640 AcroRd32.exe
640 AcroRd32.exe
640 AcroRd32.exe

pid	process
640	AcroRd32.exe
640	AcroRd32.exe
640	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1564 wrote to memory of 560	1564	cmd.exe	rundll32.exe
PID 1564 wrote to memory of 560	1564	cmd.exe	rundll32.exe
PID 1564 wrote to memory of 560	1564	cmd.exe	rundll32.exe
PID 560 wrote to memory of 640	560	rundll32.exe	AcroRd32.exe
PID 560 wrote to memory of 640	560	rundll32.exe	AcroRd32.exe
PID 560 wrote to memory of 640	560	rundll32.exe	AcroRd32.exe
PID 560 wrote to memory of 640	560	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\assets\effects\blend\preview\materials\effectpreview.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1564

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\effectpreview.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:560

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\effectpreview.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:640

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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