Malware Analysis Report

2025-08-06 01:56

Sample ID 241112-1l8v4asbql
Target a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57
SHA256 a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57
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

a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57

Threat Level: Known bad

The file a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker discovery trojan

Emotet family

Emotet

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

2024-11-12 21:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 21:45

Reported

2024-11-12 21:47

Platform

win7-20240903-en

Max time kernel

137s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2164 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2164 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\a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57.dll,#1

Network

Country Destination Domain Proto
AR 152.170.79.100:80 tcp
AR 152.170.79.100:80 tcp
AR 190.247.139.101:80 tcp
AR 190.247.139.101:80 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

Files

memory/2164-0-0x0000000000320000-0x000000000033F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 21:45

Reported

2024-11-12 21:47

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57.dll,#1

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Blocklisted process makes network request

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

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 2304 wrote to memory of 400 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2304 wrote to memory of 400 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2304 wrote to memory of 400 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\a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1fc3f9ab3c26afaf4824ecb712f0634c5c6ff3427d895e964251fe0aa1c2b57.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
AR 152.170.79.100:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
AR 190.247.139.101:80 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 138.197.99.250:8080 tcp
US 167.71.148.58:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
KR 211.215.18.93:8080 tcp
BR 191.241.233.198:80 tcp
US 8.8.8.8:53 udp

Files

memory/400-0-0x0000000000CE0000-0x0000000000CFF000-memory.dmp