Malware Analysis Report

2024-12-07 04:15

Sample ID 241113-wj8p4awkg1
Target f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe
SHA256 f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe
Tags
emotet epoch5 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

f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe

Threat Level: Known bad

The file f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 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

2024-11-13 17:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:58

Reported

2024-11-13 18:00

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.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 1404 wrote to memory of 2512 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2512 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2512 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2512 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2512 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2512 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1404 wrote to memory of 2512 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2512 wrote to memory of 2468 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2512 wrote to memory of 2468 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2512 wrote to memory of 2468 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2512 wrote to memory of 2468 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2512 wrote to memory of 2468 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2512 wrote to memory of 2468 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2512 wrote to memory of 2468 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\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.dll",DllRegisterServer

Network

N/A

Files

memory/2512-0-0x00000000001A0000-0x00000000001C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:58

Reported

2024-11-13 18:00

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

136s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.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 3144 wrote to memory of 3844 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3144 wrote to memory of 3844 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3144 wrote to memory of 3844 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3844 wrote to memory of 1460 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3844 wrote to memory of 1460 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3844 wrote to memory of 1460 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\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f07b87ec3d51bcf6cccbb8960826bae44b9d6110e154771e3eb401ce462479fe.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/3844-0-0x0000000002A40000-0x0000000002A68000-memory.dmp