Malware Analysis Report

2024-10-19 10:16

Sample ID 240406-lmax5aga85
Target e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118
SHA256 c7241371cabf8a6aa6698a821250160a5e998f0748d1daab8d190c5c2a2a924b
Tags
dridex 22201 botnet loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

c7241371cabf8a6aa6698a821250160a5e998f0748d1daab8d190c5c2a2a924b

Threat Level: Known bad

The file e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

dridex 22201 botnet loader

Dridex

Dridex Loader

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-06 09:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 09:38

Reported

2024-04-06 09:41

Platform

win7-20240221-en

Max time kernel

140s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A

Program crash

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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 224

Network

N/A

Files

memory/2912-0-0x0000000074560000-0x000000007458F000-memory.dmp

memory/2912-1-0x00000000000B0000-0x00000000000B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 09:38

Reported

2024-04-06 09:41

Platform

win10v2004-20231215-en

Max time kernel

90s

Max time network

97s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3508 wrote to memory of 5052 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3508 wrote to memory of 5052 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3508 wrote to memory of 5052 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\e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18bb34077b137f8c969cd65b9cc9e11_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 5052 -ip 5052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 620

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/5052-0-0x00000000757A0000-0x00000000757CF000-memory.dmp

memory/5052-2-0x0000000000BF0000-0x0000000000BF6000-memory.dmp