Malware Analysis Report

2024-10-19 10:16

Sample ID 240407-mz4xeabb21
Target e4c1132365fa744a4d81c171145015a7_JaffaCakes118
SHA256 de19e11ad2fe7b2a49a71d46ed6df511a2d6ace19a579d7cc7febdbbd5905e21
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

de19e11ad2fe7b2a49a71d46ed6df511a2d6ace19a579d7cc7febdbbd5905e21

Threat Level: Known bad

The file e4c1132365fa744a4d81c171145015a7_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 10:55

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 10:55

Reported

2024-04-07 10:57

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

158s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c1132365fa744a4d81c171145015a7_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 968 wrote to memory of 1344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 968 wrote to memory of 1344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 968 wrote to memory of 1344 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\e4c1132365fa744a4d81c171145015a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c1132365fa744a4d81c171145015a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1344 -ip 1344

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 668

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp

Files

memory/1344-0-0x0000000001600000-0x0000000001606000-memory.dmp

memory/1344-1-0x0000000074CA0000-0x0000000074CD0000-memory.dmp

memory/1344-5-0x0000000001600000-0x0000000001606000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 10:55

Reported

2024-04-07 10:57

Platform

win7-20240221-en

Max time kernel

148s

Max time network

130s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c1132365fa744a4d81c171145015a7_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\e4c1132365fa744a4d81c171145015a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c1132365fa744a4d81c171145015a7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 288

Network

N/A

Files

memory/2612-0-0x00000000752F0000-0x0000000075320000-memory.dmp

memory/2612-1-0x00000000003B0000-0x00000000003B6000-memory.dmp