Malware Analysis Report

2025-08-11 07:59

Sample ID 241112-zkh3lstqfk
Target 5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380
SHA256 5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380
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: 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

5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380

Threat Level: Known bad

The file 5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380 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

2024-11-12 20:46

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 20:46

Reported

2024-11-12 20:49

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

138s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.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 2680 wrote to memory of 2064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2680 wrote to memory of 2064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2680 wrote to memory of 2064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2064 wrote to memory of 3992 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2064 wrote to memory of 3992 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2064 wrote to memory of 3992 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\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/2064-0-0x0000000002F00000-0x0000000002F26000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 20:46

Reported

2024-11-12 20:49

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.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 2024 wrote to memory of 2308 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2024 wrote to memory of 2308 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2024 wrote to memory of 2308 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2024 wrote to memory of 2308 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2024 wrote to memory of 2308 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2024 wrote to memory of 2308 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2024 wrote to memory of 2308 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2308 wrote to memory of 2176 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2308 wrote to memory of 2176 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2308 wrote to memory of 2176 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2308 wrote to memory of 2176 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2308 wrote to memory of 2176 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2308 wrote to memory of 2176 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2308 wrote to memory of 2176 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\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\5d4bcdeca73c51c3bc5d9f96361d44eb9451d58086e862e3f19338cc25de0380.dll",DllRegisterServer

Network

N/A

Files

memory/2308-0-0x00000000002B0000-0x00000000002D6000-memory.dmp