Malware Analysis Report

2024-10-19 10:16

Sample ID 240406-wqpwkaff73
Target e2f53b7f3452e4e04a883d9b02826b59_JaffaCakes118
SHA256 356b3197a9f4d3f5d251c361a2099697bd5e3bc779431554b916a96f06bfe2a1
Tags
dridex 22201 botnet loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

356b3197a9f4d3f5d251c361a2099697bd5e3bc779431554b916a96f06bfe2a1

Threat Level: Known bad

The file e2f53b7f3452e4e04a883d9b02826b59_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 18:07

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 18:07

Reported

2024-04-06 18:10

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f53b7f3452e4e04a883d9b02826b59_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 3388 wrote to memory of 1636 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3388 wrote to memory of 1636 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3388 wrote to memory of 1636 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\e2f53b7f3452e4e04a883d9b02826b59_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f53b7f3452e4e04a883d9b02826b59_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1636 -ip 1636

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 234.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 216.197.17.2.in-addr.arpa udp

Files

memory/1636-0-0x00000000751E0000-0x0000000075210000-memory.dmp

memory/1636-2-0x00000000014F0000-0x00000000014F6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 18:07

Reported

2024-04-06 18:10

Platform

win7-20240220-en

Max time kernel

141s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f53b7f3452e4e04a883d9b02826b59_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\e2f53b7f3452e4e04a883d9b02826b59_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f53b7f3452e4e04a883d9b02826b59_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 300

Network

N/A

Files

memory/2864-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp

memory/2864-2-0x00000000001A0000-0x00000000001A6000-memory.dmp