Malware Analysis Report

2024-10-19 10:15

Sample ID 240407-p9npaadb5s
Target e4fc8cf6bd658ef976c0b459ae229ac8_JaffaCakes118
SHA256 4d62e7ee51d20af0fa92eca063fbe580abcf145e5b140a5586a91acd02fa3333
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

4d62e7ee51d20af0fa92eca063fbe580abcf145e5b140a5586a91acd02fa3333

Threat Level: Known bad

The file e4fc8cf6bd658ef976c0b459ae229ac8_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 13:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 13:01

Reported

2024-04-07 13:04

Platform

win7-20240221-en

Max time kernel

144s

Max time network

128s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fc8cf6bd658ef976c0b459ae229ac8_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\e4fc8cf6bd658ef976c0b459ae229ac8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fc8cf6bd658ef976c0b459ae229ac8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 308

Network

N/A

Files

memory/1084-0-0x0000000074550000-0x0000000074580000-memory.dmp

memory/1084-1-0x0000000000170000-0x0000000000176000-memory.dmp

memory/1084-2-0x0000000074550000-0x0000000074580000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 13:01

Reported

2024-04-07 13:04

Platform

win10v2004-20231215-en

Max time kernel

91s

Max time network

92s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fc8cf6bd658ef976c0b459ae229ac8_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 5108 wrote to memory of 4928 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5108 wrote to memory of 4928 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5108 wrote to memory of 4928 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\e4fc8cf6bd658ef976c0b459ae229ac8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4fc8cf6bd658ef976c0b459ae229ac8_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4928 -ip 4928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 692

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 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.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/4928-0-0x00000000757A0000-0x00000000757D0000-memory.dmp

memory/4928-1-0x00000000009B0000-0x00000000009B6000-memory.dmp