Malware Analysis Report

2024-10-19 10:16

Sample ID 240407-nhefvsbh89
Target e4cfcde90cbceda22f8f42e8791e9f40_JaffaCakes118
SHA256 edbe2cb632258622dd186cf7fa48fc56f9bcdcd990d9c70e26ba612084093864
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

edbe2cb632258622dd186cf7fa48fc56f9bcdcd990d9c70e26ba612084093864

Threat Level: Known bad

The file e4cfcde90cbceda22f8f42e8791e9f40_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 11:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 11:23

Reported

2024-04-07 11:26

Platform

win7-20240221-en

Max time kernel

145s

Max time network

129s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4cfcde90cbceda22f8f42e8791e9f40_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\e4cfcde90cbceda22f8f42e8791e9f40_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4cfcde90cbceda22f8f42e8791e9f40_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 308

Network

N/A

Files

memory/2056-0-0x00000000754A0000-0x00000000754D0000-memory.dmp

memory/2056-1-0x0000000000170000-0x0000000000176000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 11:23

Reported

2024-04-07 11:26

Platform

win10v2004-20240226-en

Max time kernel

93s

Max time network

97s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4cfcde90cbceda22f8f42e8791e9f40_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 3224 wrote to memory of 1872 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3224 wrote to memory of 1872 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3224 wrote to memory of 1872 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\e4cfcde90cbceda22f8f42e8791e9f40_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4cfcde90cbceda22f8f42e8791e9f40_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1872 -ip 1872

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 688

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 96.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1872-0-0x0000000075260000-0x0000000075290000-memory.dmp

memory/1872-1-0x0000000001710000-0x0000000001716000-memory.dmp