Malware Analysis Report

2024-12-07 04:27

Sample ID 241113-wcd7xawhjl
Target f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818
SHA256 f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818
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

f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818

Threat Level: Known bad

The file f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818 was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 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

2024-11-13 17:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:46

Reported

2024-11-13 17:48

Platform

win7-20241010-en

Max time kernel

14s

Max time network

18s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.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 2052 wrote to memory of 796 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2052 wrote to memory of 796 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2052 wrote to memory of 796 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2052 wrote to memory of 796 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2052 wrote to memory of 796 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2052 wrote to memory of 796 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2052 wrote to memory of 796 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 796 wrote to memory of 1856 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1856 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1856 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1856 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1856 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1856 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 796 wrote to memory of 1856 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\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.dll",DllRegisterServer

Network

N/A

Files

memory/796-0-0x0000000010000000-0x0000000010025000-memory.dmp

memory/796-1-0x0000000010000000-0x0000000010025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:46

Reported

2024-11-13 17:48

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

138s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.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 4500 wrote to memory of 4740 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4500 wrote to memory of 4740 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4500 wrote to memory of 4740 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4740 wrote to memory of 1504 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4740 wrote to memory of 1504 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4740 wrote to memory of 1504 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\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f217dc0a440ef0c78c9c13b9d1d27a19f427f52ce0cd03a49c28d67ed9ece818.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4740-0-0x0000000010000000-0x0000000010025000-memory.dmp

memory/4740-1-0x0000000010000000-0x0000000010025000-memory.dmp