6c22662a21bcaf8b65b581982cd5e6f91448a01d6cf94ff13d3ba4b87ae97d25

Analysis

max time kernel
152s
max time network
66s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31-05-2023 18:19

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General

Target

Windows/Boot/DVD/PCAT/es-ES/bootfix.bin
Size

1024B
MD5

0a6649b9bcc1dddb472f5164b389f814
SHA1

5aeb4adb929629b2e8a2866001873e8a1f14cdbc
SHA256

c7d887a06c04e167f774f3c3b7abece896beb058a8f8769bdb566544a3cf34b7
SHA512

67fc3a7774c3c290548acefa25f3005fa18f739bd37d8bf965de536cadabfb96c194daaa4835fd820a781000b0fdb6384e7f3d89b37eaebcb7327f635e060f34

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 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1816 AcroRd32.exe
1816 AcroRd32.exe
1816 AcroRd32.exe

pid	process
1816	AcroRd32.exe
1816	AcroRd32.exe
1816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1712 wrote to memory of 1828	1712	cmd.exe	rundll32.exe
PID 1712 wrote to memory of 1828	1712	cmd.exe	rundll32.exe
PID 1712 wrote to memory of 1828	1712	cmd.exe	rundll32.exe
PID 1828 wrote to memory of 1816	1828	rundll32.exe	AcroRd32.exe
PID 1828 wrote to memory of 1816	1828	rundll32.exe	AcroRd32.exe
PID 1828 wrote to memory of 1816	1828	rundll32.exe	AcroRd32.exe
PID 1828 wrote to memory of 1816	1828	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Windows\Boot\DVD\PCAT\es-ES\bootfix.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Windows\Boot\DVD\PCAT\es-ES\bootfix.bin
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\Windows\Boot\DVD\PCAT\es-ES\bootfix.bin"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1816

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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