Malware Analysis Report

2024-12-07 04:17

Sample ID 241113-wkf2gawgna
Target d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6
SHA256 d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6
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

d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6

Threat Level: Known bad

The file d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6 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 17:58

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 18:01

Platform

win7-20240903-en

Max time kernel

121s

Max time network

127s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.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 540 wrote to memory of 2872 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 540 wrote to memory of 2872 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 540 wrote to memory of 2872 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 540 wrote to memory of 2872 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 540 wrote to memory of 2872 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 540 wrote to memory of 2872 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 540 wrote to memory of 2872 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2872 wrote to memory of 2876 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2876 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2876 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2876 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2876 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2876 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2876 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\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.dll",DllRegisterServer

Network

N/A

Files

memory/2872-0-0x0000000000190000-0x00000000001B8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:58

Reported

2024-11-13 18:01

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.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 4068 wrote to memory of 4728 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4068 wrote to memory of 4728 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4068 wrote to memory of 4728 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4728 wrote to memory of 3204 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4728 wrote to memory of 3204 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4728 wrote to memory of 3204 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\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\d7c2549fd2f517736b40815ccb92f6cd44505ddbfafd2de55b382bcac9a3dbd6.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/4728-0-0x0000000002190000-0x00000000021B8000-memory.dmp