Malware Analysis Report

2025-08-11 07:56

Sample ID 241112-zpj6gatrdn
Target 36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30
SHA256 36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30
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

36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30

Threat Level: Known bad

The file 36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30 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 20:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 20:53

Reported

2024-11-12 20:56

Platform

win7-20240903-en

Max time kernel

118s

Max time network

122s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.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 2344 wrote to memory of 2320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2320 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2320 wrote to memory of 1592 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2320 wrote to memory of 1592 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2320 wrote to memory of 1592 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2320 wrote to memory of 1592 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2320 wrote to memory of 1592 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2320 wrote to memory of 1592 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2320 wrote to memory of 1592 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\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.dll",DllRegisterServer

Network

N/A

Files

memory/2320-0-0x00000000002B0000-0x00000000002D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 20:53

Reported

2024-11-12 20:56

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.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 2220 wrote to memory of 272 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2220 wrote to memory of 272 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2220 wrote to memory of 272 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 272 wrote to memory of 4984 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 272 wrote to memory of 4984 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 272 wrote to memory of 4984 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\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\36f5cd31bb58024b1d7bd23da6b702ddc36cdacb5adba010edb65c43c2fa6b30.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp

Files

memory/272-0-0x00000000008D0000-0x00000000008F6000-memory.dmp