Malware Analysis Report

2024-11-30 23:26

Sample ID 230808-mda27sde2t
Target 2148-55-0x000007FEF54E0000-0x000007FEF5F64000-memory.dmp
SHA256 0afeeac1c962ac4fedd58f2bd9ba5b8a99e2befede29d89405651c7373a58144
Tags
vmprotect systembc
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
10/10

SHA256

0afeeac1c962ac4fedd58f2bd9ba5b8a99e2befede29d89405651c7373a58144

Threat Level: Known bad

The file 2148-55-0x000007FEF54E0000-0x000007FEF5F64000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

vmprotect systembc

Systembc family

VMProtect packed file

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-08 10:20

Signatures

Systembc family

systembc

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-08 10:20

Reported

2023-08-08 10:23

Platform

win7-20230712-en

Max time kernel

119s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2148-55-0x000007FEF54E0000-0x000007FEF5F64000-memory.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Windows\system32\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2924 wrote to memory of 2304 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2924 wrote to memory of 2304 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2924 wrote to memory of 2304 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2148-55-0x000007FEF54E0000-0x000007FEF5F64000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2924 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-08 10:20

Reported

2023-08-08 10:23

Platform

win10v2004-20230703-en

Max time kernel

138s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2148-55-0x000007FEF54E0000-0x000007FEF5F64000-memory.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2148-55-0x000007FEF54E0000-0x000007FEF5F64000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 408 -p 4988 -ip 4988

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 4988 -s 240

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 254.23.238.8.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp

Files

N/A