a60b7a2ef406fd853f59afb392ba91901e059cb256ae7f09de38344c55de4fa0

Analysis

max time kernel
151s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09-06-2023 23:27

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General

Target

background.vert
Size

588B
MD5

fbc74118bc4c246879e1fe4a07092061
SHA1

381a5ebd44586d66bf74219ea9ac65a86bac03e3
SHA256

19bffadcabb55f8693e95fbf6b1fe8c7facd5d8477e13ee10c8184fde8db2339
SHA512

1ea70c5df5a86be8c1115188fc11eed94d6a77bebae11f74ac3c1776bce9450ca0129215d1111bd26965cb3c3374316cd7adacbfa346feb86e2ff8a440ba51c4

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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\vert_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\vert_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.vert	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\vert_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\vert_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
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.vert\ = "vert_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\vert_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\vert_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1704 AcroRd32.exe
1704 AcroRd32.exe
1704 AcroRd32.exe

pid	process
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1236 wrote to memory of 520	1236	cmd.exe	rundll32.exe
PID 1236 wrote to memory of 520	1236	cmd.exe	rundll32.exe
PID 1236 wrote to memory of 520	1236	cmd.exe	rundll32.exe
PID 520 wrote to memory of 1704	520	rundll32.exe	AcroRd32.exe
PID 520 wrote to memory of 1704	520	rundll32.exe	AcroRd32.exe
PID 520 wrote to memory of 1704	520	rundll32.exe	AcroRd32.exe
PID 520 wrote to memory of 1704	520	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\background.vert
1⤵
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\background.vert
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:520

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\background.vert"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1704

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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