Malware Analysis Report

2024-10-19 10:16

Sample ID 240407-stx5kafd4x
Target e53eaccd9031068898f4b9c8664f3ef2_JaffaCakes118
SHA256 baf4f30b66848e6d16b78429f6ec389908c44c91f5b218da89bb0fb117ad4387
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

baf4f30b66848e6d16b78429f6ec389908c44c91f5b218da89bb0fb117ad4387

Threat Level: Known bad

The file e53eaccd9031068898f4b9c8664f3ef2_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 15:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 15:25

Reported

2024-04-07 15:28

Platform

win7-20240220-en

Max time kernel

141s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53eaccd9031068898f4b9c8664f3ef2_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\e53eaccd9031068898f4b9c8664f3ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53eaccd9031068898f4b9c8664f3ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 300

Network

N/A

Files

memory/1984-0-0x0000000074B20000-0x0000000074B50000-memory.dmp

memory/1984-1-0x0000000000250000-0x0000000000256000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 15:25

Reported

2024-04-07 15:28

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

107s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53eaccd9031068898f4b9c8664f3ef2_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 2004 wrote to memory of 4524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 4524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 4524 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\e53eaccd9031068898f4b9c8664f3ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53eaccd9031068898f4b9c8664f3ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4524 -ip 4524

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 688

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4524-0-0x0000000075550000-0x0000000075580000-memory.dmp

memory/4524-1-0x00000000007F0000-0x00000000007F6000-memory.dmp