Malware Analysis Report

2025-08-10 14:38

Sample ID 241112-zs1mma1erm
Target da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8
SHA256 da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8
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

da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8

Threat Level: Known bad

The file da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8 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

2024-11-12 20:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 20:59

Reported

2024-11-12 21:02

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.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 2936 wrote to memory of 2088 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2936 wrote to memory of 2088 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2936 wrote to memory of 2088 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2936 wrote to memory of 2088 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2936 wrote to memory of 2088 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2936 wrote to memory of 2088 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2936 wrote to memory of 2088 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2088 wrote to memory of 2308 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2308 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2308 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2308 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2308 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2308 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2308 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\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.dll",DllRegisterServer

Network

N/A

Files

memory/2088-0-0x0000000000890000-0x00000000008B8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 20:59

Reported

2024-11-12 21:02

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

143s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.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 2528 wrote to memory of 1080 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2528 wrote to memory of 1080 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2528 wrote to memory of 1080 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1080 wrote to memory of 3208 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1080 wrote to memory of 3208 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1080 wrote to memory of 3208 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\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.dll

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\da5a85ed9ef7c636b8dab9f48b631bc86b7d1361fc90308a506482c9b37b1fa8.dll",DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 71.208.201.84.in-addr.arpa udp

Files

memory/1080-1-0x0000000000A10000-0x0000000000A38000-memory.dmp