Malware Analysis Report

2024-11-15 09:21

Sample ID 231120-qm7z3shb3v
Target 1988-1-0x0000000000170000-0x0000000000177000-memory.dmp
SHA256 2c1bbcbcfbb3476b9c3735de13e01a32246d7b0b4106e6d5a1afa8389f0eac21
Tags
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

2c1bbcbcfbb3476b9c3735de13e01a32246d7b0b4106e6d5a1afa8389f0eac21

Threat Level: Known bad

The file 1988-1-0x0000000000170000-0x0000000000177000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

systembc

Systembc family

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-11-20 13:23

Signatures

Systembc family

systembc

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-20 13:23

Reported

2023-11-20 13:26

Platform

win7-20231023-en

Max time kernel

118s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1988-1-0x0000000000170000-0x0000000000177000-memory.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1988-1-0x0000000000170000-0x0000000000177000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1988-1-0x0000000000170000-0x0000000000177000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 196

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-20 13:23

Reported

2023-11-20 13:26

Platform

win10v2004-20231023-en

Max time kernel

138s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1988-1-0x0000000000170000-0x0000000000177000-memory.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1472 wrote to memory of 932 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1472 wrote to memory of 932 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1472 wrote to memory of 932 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1988-1-0x0000000000170000-0x0000000000177000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1988-1-0x0000000000170000-0x0000000000177000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 932 -ip 932

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 560

Network

Country Destination Domain Proto
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 209.78.101.95.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 65.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 122.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

N/A