f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7

Analysis

max time kernel
175s
max time network
123s
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/shaders/effects/empty.frag
Size

249B
MD5

123ab9ccd091f92c690c6ea8e727beaa
SHA1

55095a5a24951d6b9262c1c4a85dd3668d03e640
SHA256

b7d791ae6d84d0f36db972f8842a34ba2ab23d8bcd5b66aae3dd2fc7817692ea
SHA512

b1f8577d413c7b1f9d1e2eed9d8767603dc25b99c67de6f4db39070fd27bc8ce00e76dc9676f77def1e090f47d3eb4d8b01a36c46bfd9e515d4d9c1e143dfa67

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\frag_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.frag	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.frag\ = "frag_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\frag_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\frag_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\frag_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\frag_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\frag_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

624 AcroRd32.exe
624 AcroRd32.exe

pid	process
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1980 wrote to memory of 1828	1980	cmd.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	cmd.exe	rundll32.exe
PID 1980 wrote to memory of 1828	1980	cmd.exe	rundll32.exe
PID 1828 wrote to memory of 624	1828	rundll32.exe	AcroRd32.exe
PID 1828 wrote to memory of 624	1828	rundll32.exe	AcroRd32.exe
PID 1828 wrote to memory of 624	1828	rundll32.exe	AcroRd32.exe
PID 1828 wrote to memory of 624	1828	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\wallpaper_engine\assets\effects\_empty\shaders\effects\empty.frag
1⤵
- Suspicious use of WriteProcessMemory
PID:1980

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\shaders\effects\empty.frag
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1828

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\shaders\effects\empty.frag"
3⤵
- Suspicious use of SetWindowsHookEx
PID:624

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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