Malware Analysis Report

2024-10-19 10:16

Sample ID 240407-lqkazaad98
Target e4a0ee55b93a7206bfe3116a7bcc0412_JaffaCakes118
SHA256 90be241f9d8ab46f9b799aba41070c4c7237e45b1de7a35743a54f2aa05d1de6
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

90be241f9d8ab46f9b799aba41070c4c7237e45b1de7a35743a54f2aa05d1de6

Threat Level: Known bad

The file e4a0ee55b93a7206bfe3116a7bcc0412_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 09:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 09:44

Reported

2024-04-07 09:46

Platform

win7-20240221-en

Max time kernel

143s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4a0ee55b93a7206bfe3116a7bcc0412_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\e4a0ee55b93a7206bfe3116a7bcc0412_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4a0ee55b93a7206bfe3116a7bcc0412_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 308

Network

N/A

Files

memory/2852-0-0x0000000074B80000-0x0000000074BB0000-memory.dmp

memory/2852-1-0x0000000000130000-0x0000000000136000-memory.dmp

memory/2852-2-0x0000000074B80000-0x0000000074BB0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 09:44

Reported

2024-04-07 09:46

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4a0ee55b93a7206bfe3116a7bcc0412_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 4924 wrote to memory of 1108 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4924 wrote to memory of 1108 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4924 wrote to memory of 1108 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\e4a0ee55b93a7206bfe3116a7bcc0412_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4a0ee55b93a7206bfe3116a7bcc0412_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1108 -ip 1108

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 664

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 63.141.182.52.in-addr.arpa udp

Files

memory/1108-0-0x00000000007C0000-0x00000000007C6000-memory.dmp

memory/1108-1-0x0000000075660000-0x0000000075690000-memory.dmp

memory/1108-2-0x0000000075660000-0x0000000075690000-memory.dmp

memory/1108-3-0x00000000007C0000-0x00000000007C6000-memory.dmp