Malware Analysis Report

2024-12-07 04:25

Sample ID 241113-v78vbszkdj
Target a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6
SHA256 a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6
Tags
emotet epoch1 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

a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6

Threat Level: Known bad

The file a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker discovery trojan

Emotet

Emotet family

Blocklisted process makes network request

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:38

Reported

2024-11-13 17:41

Platform

win7-20240903-en

Max time kernel

138s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6.dll,#1

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2232 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6.dll,#1

Network

Country Destination Domain Proto
IT 93.149.120.214:80 tcp
IT 93.149.120.214:80 tcp
RO 82.208.146.142:7080 tcp
RO 82.208.146.142:7080 tcp
US 138.197.99.250:8080 tcp
US 138.197.99.250:8080 tcp
US 167.71.148.58:443 tcp
US 167.71.148.58:443 tcp
KR 211.215.18.93:8080 tcp
KR 211.215.18.93:8080 tcp

Files

memory/2144-0-0x0000000000210000-0x000000000022F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:38

Reported

2024-11-13 17:41

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

143s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6.dll,#1

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 856 wrote to memory of 4256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 856 wrote to memory of 4256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 856 wrote to memory of 4256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a463d5aa66eff18f1f04669451e5281e6da8707137e8f0bd342e49165b9a01e6.dll,#1

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 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
IT 93.149.120.214:80 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
RO 82.208.146.142:7080 tcp
US 138.197.99.250:8080 tcp
US 167.71.148.58:443 tcp
KR 211.215.18.93:8080 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
DE 185.94.252.27:443 tcp
US 70.32.84.74:8080 tcp

Files

memory/4256-0-0x0000000002680000-0x000000000269F000-memory.dmp