Malware Analysis Report

2025-06-15 23:51

Sample ID 241113-rlvtsstbpe
Target 87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8
SHA256 87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8
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

87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8

Threat Level: Known bad

The file 87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8 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 14:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 14:17

Reported

2024-11-13 14:19

Platform

win7-20240708-en

Max time kernel

132s

Max time network

142s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8.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 2640 wrote to memory of 2380 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2380 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2380 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2380 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2380 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2380 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2380 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\87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8.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/2380-0-0x0000000000720000-0x000000000073F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 14:17

Reported

2024-11-13 14:19

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8.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 4508 wrote to memory of 3372 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4508 wrote to memory of 3372 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4508 wrote to memory of 3372 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\87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\87730b5e9f670504954ff663ef41b33f5d74e6187f7921659ebecd88ccf52ea8.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
AR 152.170.79.100:80 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 138.197.99.250:8080 tcp
US 167.71.148.58:443 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
KR 211.215.18.93:8080 tcp
BR 191.241.233.198:80 tcp

Files

memory/3372-0-0x0000000002950000-0x000000000296F000-memory.dmp