Malware Analysis Report

2025-08-10 14:39

Sample ID 241112-zm82ta1drp
Target 636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380
SHA256 636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380
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

636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380

Threat Level: Known bad

The file 636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380 was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker discovery trojan

Emotet

Emotet family

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 20:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 20:51

Reported

2024-11-12 20:53

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.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 2764 wrote to memory of 2720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2764 wrote to memory of 2720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2764 wrote to memory of 2720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2764 wrote to memory of 2720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2764 wrote to memory of 2720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2764 wrote to memory of 2720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2764 wrote to memory of 2720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2720 wrote to memory of 2776 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2720 wrote to memory of 2776 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2720 wrote to memory of 2776 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2720 wrote to memory of 2776 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2720 wrote to memory of 2776 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2720 wrote to memory of 2776 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2720 wrote to memory of 2776 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\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.dll",DllRegisterServer

Network

N/A

Files

memory/2720-0-0x0000000000260000-0x0000000000286000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 20:51

Reported

2024-11-12 20:53

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

143s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.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 1160 wrote to memory of 4948 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1160 wrote to memory of 4948 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1160 wrote to memory of 4948 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4948 wrote to memory of 3436 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4948 wrote to memory of 3436 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4948 wrote to memory of 3436 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\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\636397773423104250be2ce4bd69c4198749aeaa9a17d5f784693754bace8380.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4948-0-0x0000000002D00000-0x0000000002D26000-memory.dmp