Malware Analysis Report

2024-11-30 23:26

Sample ID 230809-k8w7tabh3w
Target 1964-56-0x000007FEF4D70000-0x000007FEF573A000-memory.dmp
SHA256 9a12bfd6f617457c8995c282adc9347b435a5cb9b3ba100de4b9dfee582cbda7
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

9a12bfd6f617457c8995c282adc9347b435a5cb9b3ba100de4b9dfee582cbda7

Threat Level: Known bad

The file 1964-56-0x000007FEF4D70000-0x000007FEF573A000-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

2023-08-09 09:16

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

2023-08-09 09:16

Reported

2023-08-09 09:19

Platform

win7-20230712-en

Max time kernel

120s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1964-56-0x000007FEF4D70000-0x000007FEF573A000-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 2104 wrote to memory of 1700 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2104 wrote to memory of 1700 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2104 wrote to memory of 1700 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\1964-56-0x000007FEF4D70000-0x000007FEF573A000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2104 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-09 09:16

Reported

2023-08-09 09:19

Platform

win10v2004-20230703-en

Max time kernel

141s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1964-56-0x000007FEF4D70000-0x000007FEF573A000-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\1964-56-0x000007FEF4D70000-0x000007FEF573A000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 408 -p 4344 -ip 4344

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 4344 -s 244

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 112.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

N/A