Malware Analysis Report

2024-12-07 04:17

Sample ID 241113-wfd2bawfrg
Target 4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06
SHA256 4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06
Tags
emotet epoch5 banker discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06

Threat Level: Known bad

The file 4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06 was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 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: behavioral2

Detonation Overview

Submitted

2024-11-13 17:51

Reported

2024-11-13 17:54

Platform

win10v2004-20241007-en

Max time kernel

101s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.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 3576 wrote to memory of 320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3576 wrote to memory of 320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3576 wrote to memory of 320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 320 wrote to memory of 4824 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 320 wrote to memory of 4824 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 320 wrote to memory of 4824 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\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/320-0-0x0000000002A70000-0x0000000002A98000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:51

Reported

2024-11-13 17:54

Platform

win7-20240729-en

Max time kernel

14s

Max time network

18s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.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 2484 wrote to memory of 2316 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2484 wrote to memory of 2316 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2484 wrote to memory of 2316 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2484 wrote to memory of 2316 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2484 wrote to memory of 2316 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2484 wrote to memory of 2316 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2484 wrote to memory of 2316 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2316 wrote to memory of 300 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2316 wrote to memory of 300 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2316 wrote to memory of 300 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2316 wrote to memory of 300 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2316 wrote to memory of 300 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2316 wrote to memory of 300 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2316 wrote to memory of 300 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\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll",DllRegisterServer

Network

N/A

Files

memory/2316-0-0x0000000000440000-0x0000000000468000-memory.dmp