Malware Analysis Report

2024-12-07 04:13

Sample ID 241113-wqhggsznbq
Target 91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8
SHA256 91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8
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

91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8

Threat Level: Known bad

The file 91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8 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 18:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 18:07

Reported

2024-11-13 18:09

Platform

win7-20240903-en

Max time kernel

144s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8.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 2128 wrote to memory of 2268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2128 wrote to memory of 2268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2128 wrote to memory of 2268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2128 wrote to memory of 2268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2128 wrote to memory of 2268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2128 wrote to memory of 2268 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2128 wrote to memory of 2268 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\91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8.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/2268-0-0x00000000002A0000-0x00000000002BF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 18:07

Reported

2024-11-13 18:09

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8.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 4164 wrote to memory of 1648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4164 wrote to memory of 1648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4164 wrote to memory of 1648 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\91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91b5a5f618dd87e0e366c1586f2afc8dd3302a49171700c88e01c906eae6aac8.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
AR 152.170.79.100:80 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
AR 190.247.139.101:80 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 138.197.99.250:8080 tcp
US 167.71.148.58:443 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
KR 211.215.18.93:8080 tcp
BR 191.241.233.198:80 tcp
US 8.8.8.8:53 91.16.208.104.in-addr.arpa udp

Files

memory/1648-0-0x00000000020C0000-0x00000000020DF000-memory.dmp