6c22662a21bcaf8b65b581982cd5e6f91448a01d6cf94ff13d3ba4b87ae97d25

Analysis

max time kernel
153s
max time network
65s
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/boot.sdi
Size

3.0MB
MD5

22d9945b4aae36dd59620a918f2e65f4
SHA1

bb025cedca07887916c4b7e5fa7a641ed3e30c14
SHA256

cd2c00ce027687ce4a8bdc967f26a8ab82f651c9becd703658ba282ec49702bd
SHA512

dd2d0ea7d5cf98064838ce0b74711f77534e1a2a14c7f74d44ed4b83acdb6f413d74671d2c6a8574aee88afb456b53a6b8452419a3bdddf2f7e9095c9d1d272e
SSDEEP

3072:S/pcj53vs/InbrTIHvPnHmC5irUuMo/+ncoZZihnh:acRn7y/EouH/cpi

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
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\sdi_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\sdi_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\sdi_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.sdi	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.sdi\ = "sdi_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\sdi_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\sdi_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\sdi_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1480 AcroRd32.exe
1480 AcroRd32.exe
1480 AcroRd32.exe

pid	process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1860 wrote to memory of 592	1860	cmd.exe	rundll32.exe
PID 1860 wrote to memory of 592	1860	cmd.exe	rundll32.exe
PID 1860 wrote to memory of 592	1860	cmd.exe	rundll32.exe
PID 592 wrote to memory of 1480	592	rundll32.exe	AcroRd32.exe
PID 592 wrote to memory of 1480	592	rundll32.exe	AcroRd32.exe
PID 592 wrote to memory of 1480	592	rundll32.exe	AcroRd32.exe
PID 592 wrote to memory of 1480	592	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Windows\Boot\DVD\PCAT\boot.sdi
1⤵
- Suspicious use of WriteProcessMemory
PID:1860

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\boot.sdi
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:592

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\boot.sdi"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1480

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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