Malware Analysis Report

2024-12-07 04:16

Sample ID 241113-we9rlawfrc
Target 673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708
SHA256 673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708
Tags
emotet epoch4 banker discovery trojan
score
10/10

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
10/10

SHA256

673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708

Threat Level: Known bad

The file 673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708 was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker discovery trojan

Emotet family

Emotet

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:51

Reported

2024-11-13 17:53

Platform

win7-20241023-en

Max time kernel

121s

Max time network

123s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1776 wrote to memory of 2268 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1776 wrote to memory of 2268 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1776 wrote to memory of 2268 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1776 wrote to memory of 2268 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1776 wrote to memory of 2268 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1776 wrote to memory of 2268 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1776 wrote to memory of 2268 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2268 wrote to memory of 2512 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2268 wrote to memory of 2512 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2268 wrote to memory of 2512 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2268 wrote to memory of 2512 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2268 wrote to memory of 2512 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2268 wrote to memory of 2512 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2268 wrote to memory of 2512 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll",DllRegisterServer

Network

N/A

Files

memory/2268-0-0x00000000002A0000-0x00000000002C5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:51

Reported

2024-11-13 17:53

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

140s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4776 wrote to memory of 4724 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4776 wrote to memory of 4724 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4776 wrote to memory of 4724 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4724 wrote to memory of 3672 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4724 wrote to memory of 3672 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4724 wrote to memory of 3672 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\673c9a63ed2446eab2ee8418f8a8be8f213923b9c0386c94585a037584dc9708.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp

Files

memory/4724-0-0x0000000002110000-0x0000000002135000-memory.dmp