Malware Analysis Report

2025-01-18 15:45

Sample ID 240826-ewpz3swdlj
Target e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae
SHA256 e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae
Tags
dridex 111 botnet discovery loader
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

e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae

Threat Level: Known bad

The file e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae was found to be: Known bad.

Malicious Activity Summary

dridex 111 botnet discovery loader

Dridex

Dridex Loader

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-26 04:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-26 04:17

Reported

2024-08-26 04:20

Platform

win7-20240708-en

Max time kernel

99s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A 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 1476 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1956 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1476 wrote to memory of 1956 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\e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae.dll,#1

Network

N/A

Files

memory/1956-0-0x0000000075270000-0x000000007529E000-memory.dmp

memory/1956-1-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1956-2-0x0000000075270000-0x000000007529E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-26 04:17

Reported

2024-08-26 04:20

Platform

win10v2004-20240802-en

Max time kernel

67s

Max time network

140s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A 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 3480 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3480 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3480 wrote to memory of 4288 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\e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ee1ade0f1b488b5ed52927a03344a1d6f2e574f11bfb976ab2f5abd4973fae.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 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4288-1-0x0000000001050000-0x0000000001056000-memory.dmp

memory/4288-0-0x0000000074BE0000-0x0000000074C0E000-memory.dmp

memory/4288-2-0x0000000074BE0000-0x0000000074C0E000-memory.dmp