Malware Analysis Report

2024-10-19 10:15

Sample ID 240407-jw4kpaha23
Target e473bc77ad597b696b3fe98127b21650_JaffaCakes118
SHA256 7de1b40300d9b2470e50ad618e17e62ea543e38e42a3028b9ba5b349e2949196
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

7de1b40300d9b2470e50ad618e17e62ea543e38e42a3028b9ba5b349e2949196

Threat Level: Known bad

The file e473bc77ad597b696b3fe98127b21650_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

dridex 22201 botnet loader

Dridex

Dridex Loader

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-07 08:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 08:02

Reported

2024-04-07 08:04

Platform

win7-20240221-en

Max time kernel

142s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e473bc77ad597b696b3fe98127b21650_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\e473bc77ad597b696b3fe98127b21650_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e473bc77ad597b696b3fe98127b21650_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 300

Network

N/A

Files

memory/2472-0-0x0000000075180000-0x00000000751B0000-memory.dmp

memory/2472-1-0x0000000075180000-0x00000000751B0000-memory.dmp

memory/2472-2-0x0000000000160000-0x0000000000166000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 08:02

Reported

2024-04-07 08:04

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e473bc77ad597b696b3fe98127b21650_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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2080 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2080 wrote to memory of 908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2080 wrote to memory of 908 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\e473bc77ad597b696b3fe98127b21650_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e473bc77ad597b696b3fe98127b21650_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 908 -ip 908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 908 -s 688

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 52.111.227.14:443 tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 18.173.189.20.in-addr.arpa udp

Files

memory/908-0-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

memory/908-1-0x0000000074F10000-0x0000000074F40000-memory.dmp

memory/908-2-0x0000000074F10000-0x0000000074F40000-memory.dmp

memory/908-3-0x0000000000BF0000-0x0000000000BF6000-memory.dmp