Malware Analysis Report

2024-12-07 04:17

Sample ID 241113-wc1qxazlbk
Target 4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06
SHA256 4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06
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

4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06

Threat Level: Known bad

The file 4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06 was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 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

2024-11-13 17:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:47

Reported

2024-11-13 17:49

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.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 1608 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1608 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1608 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1608 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1608 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1608 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1608 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2160 wrote to memory of 2524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2524 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\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll",DllRegisterServer

Network

N/A

Files

memory/2160-1-0x00000000002A0000-0x00000000002C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:47

Reported

2024-11-13 17:49

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

155s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.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 4560 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4560 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4560 wrote to memory of 2160 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2160 wrote to memory of 2904 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2904 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2160 wrote to memory of 2904 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\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\4df9f3192eb3ec993266c9df0c1ee877515fa50b1732cd5eace4b21f7080dd06.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 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 67.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp

Files

memory/2160-0-0x0000000002610000-0x0000000002638000-memory.dmp