Malware Analysis Report

2025-08-10 14:38

Sample ID 241112-ztc8qavjcl
Target eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921
SHA256 eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921
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

eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921

Threat Level: Known bad

The file eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921 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 21:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 21:00

Reported

2024-11-12 21:02

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.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 2124 wrote to memory of 1016 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2124 wrote to memory of 1016 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2124 wrote to memory of 1016 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2124 wrote to memory of 1016 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2124 wrote to memory of 1016 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2124 wrote to memory of 1016 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2124 wrote to memory of 1016 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1016 wrote to memory of 2244 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1016 wrote to memory of 2244 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1016 wrote to memory of 2244 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1016 wrote to memory of 2244 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1016 wrote to memory of 2244 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1016 wrote to memory of 2244 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1016 wrote to memory of 2244 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\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.dll",DllRegisterServer

Network

N/A

Files

memory/1016-0-0x00000000003A0000-0x00000000003C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 21:00

Reported

2024-11-12 21:02

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.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 3732 wrote to memory of 892 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3732 wrote to memory of 892 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3732 wrote to memory of 892 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 892 wrote to memory of 1784 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 892 wrote to memory of 1784 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 892 wrote to memory of 1784 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\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\eac8891ba757b2f49381f1488d67b711c8db5f44dc7ba51d15c5dd531ce4a921.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/892-0-0x0000000002400000-0x0000000002426000-memory.dmp