Malware Analysis Report

2024-10-19 10:15

Sample ID 240407-svw9nafd6w
Target e53f14ecdc3b3742f7bec3c049a808bb_JaffaCakes118
SHA256 8417bfdf0d71d9735e843ccd6cd0ebc4f370244154a8370388e96fc04dd57355
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

8417bfdf0d71d9735e843ccd6cd0ebc4f370244154a8370388e96fc04dd57355

Threat Level: Known bad

The file e53f14ecdc3b3742f7bec3c049a808bb_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 15:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 15:27

Reported

2024-04-07 15:29

Platform

win7-20240215-en

Max time kernel

141s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53f14ecdc3b3742f7bec3c049a808bb_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\e53f14ecdc3b3742f7bec3c049a808bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53f14ecdc3b3742f7bec3c049a808bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 300

Network

N/A

Files

memory/1996-1-0x0000000074860000-0x0000000074890000-memory.dmp

memory/1996-0-0x0000000000190000-0x0000000000196000-memory.dmp

memory/1996-5-0x0000000000190000-0x0000000000196000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 15:27

Reported

2024-04-07 15:29

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53f14ecdc3b3742f7bec3c049a808bb_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 3744 wrote to memory of 368 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3744 wrote to memory of 368 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3744 wrote to memory of 368 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\e53f14ecdc3b3742f7bec3c049a808bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53f14ecdc3b3742f7bec3c049a808bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 368 -ip 368

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 107.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

memory/368-0-0x0000000075340000-0x0000000075370000-memory.dmp

memory/368-1-0x0000000000F90000-0x0000000000F96000-memory.dmp