Malware Analysis Report

2025-08-10 14:40

Sample ID 241112-znwswazmht
Target cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481
SHA256 cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481
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

cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481

Threat Level: Known bad

The file cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481 was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker discovery trojan

Emotet

Emotet family

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 20:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 20:52

Reported

2024-11-12 20:55

Platform

win7-20241010-en

Max time kernel

121s

Max time network

125s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.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 1644 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1644 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1644 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1644 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1644 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1644 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1644 wrote to memory of 2856 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2856 wrote to memory of 2768 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2856 wrote to memory of 2768 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2856 wrote to memory of 2768 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2856 wrote to memory of 2768 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2856 wrote to memory of 2768 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2856 wrote to memory of 2768 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2856 wrote to memory of 2768 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\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.dll",DllRegisterServer

Network

N/A

Files

memory/2856-0-0x0000000000350000-0x0000000000376000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 20:52

Reported

2024-11-12 20:54

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

145s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.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 4104 wrote to memory of 4772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4104 wrote to memory of 4772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4104 wrote to memory of 4772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4772 wrote to memory of 700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4772 wrote to memory of 700 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4772 wrote to memory of 700 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\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\cf9e5e307935c66273195c4feeca46cc53e9b347ec6eeca90b9026fb37165481.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 139.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4772-0-0x0000000002720000-0x0000000002746000-memory.dmp