Malware Analysis Report

2025-01-03 09:24

Sample ID 240620-rc8pas1fjc
Target 1.exe
SHA256 e52af6d68dc71c742a4889834e4eeafc94d816835086df93c1b7106564c0ac16
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

e52af6d68dc71c742a4889834e4eeafc94d816835086df93c1b7106564c0ac16

Threat Level: Shows suspicious behavior

The file 1.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Checks SCSI registry key(s)

Enumerates system info in registry

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 14:04

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 14:04

Reported

2024-06-20 14:06

Platform

win7-20240611-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Network

N/A

Files

memory/2124-0-0x0000000000400000-0x0000000000412000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 14:04

Reported

2024-06-20 14:06

Platform

win10v2004-20240508-en

Max time kernel

43s

Max time network

50s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 C:\Windows\system32\msinfo32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID C:\Windows\system32\msinfo32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\CompatibleIDs C:\Windows\system32\msinfo32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 C:\Windows\system32\msinfo32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID C:\Windows\system32\msinfo32.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\CompatibleIDs C:\Windows\system32\msinfo32.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\system32\msinfo32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\ECFirmwareMajorRelease C:\Windows\system32\msinfo32.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Windows\system32\msinfo32.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\system32\msinfo32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Windows\system32\msinfo32.exe

"C:\Windows\system32\msinfo32.exe" "C:\Users\Admin\Desktop\StopGroup.nfo"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1464-0-0x0000000000400000-0x0000000000412000-memory.dmp