Malware Analysis Report

2024-10-19 10:16

Sample ID 240407-dhp79abd2z
Target e3e87b488c31a7c86747024d9421c6e6_JaffaCakes118
SHA256 6a84c0021b74aeffa7c9074575c313d3eaf8a483f84972f94020f4fe53b0cc9c
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

6a84c0021b74aeffa7c9074575c313d3eaf8a483f84972f94020f4fe53b0cc9c

Threat Level: Known bad

The file e3e87b488c31a7c86747024d9421c6e6_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

2024-04-07 03:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 03:00

Reported

2024-04-07 03:03

Platform

win7-20240221-en

Max time kernel

142s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3e87b488c31a7c86747024d9421c6e6_JaffaCakes118.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

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\e3e87b488c31a7c86747024d9421c6e6_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3e87b488c31a7c86747024d9421c6e6_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 308

Network

N/A

Files

memory/1464-0-0x0000000000350000-0x0000000000356000-memory.dmp

memory/1464-1-0x0000000074960000-0x0000000074990000-memory.dmp

memory/1464-2-0x0000000074960000-0x0000000074990000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 03:00

Reported

2024-04-07 03:03

Platform

win10v2004-20240226-en

Max time kernel

161s

Max time network

168s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3e87b488c31a7c86747024d9421c6e6_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 4384 wrote to memory of 2576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4384 wrote to memory of 2576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4384 wrote to memory of 2576 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\e3e87b488c31a7c86747024d9421c6e6_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3e87b488c31a7c86747024d9421c6e6_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2576 -ip 2576

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 664

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 1.173.189.20.in-addr.arpa udp

Files

memory/2576-0-0x00000000007C0000-0x00000000007C6000-memory.dmp

memory/2576-1-0x0000000075230000-0x0000000075260000-memory.dmp

memory/2576-5-0x00000000007C0000-0x00000000007C6000-memory.dmp