Malware Analysis Report

2024-10-19 10:16

Sample ID 240402-xep8maab69
Target 94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118
SHA256 3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8
Tags
dridex 22201 botnet loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8

Threat Level: Known bad

The file 94395a29f0cf16cc80c2a1a4aee0d8d4_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

2024-04-02 18:46

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 18:46

Reported

2024-04-02 18:49

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

164s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\94395a29f0cf16cc80c2a1a4aee0d8d4_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 920 wrote to memory of 2192 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 920 wrote to memory of 2192 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 920 wrote to memory of 2192 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\94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2192 -ip 2192

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 620

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 202.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 145.110.86.104.in-addr.arpa udp
US 52.111.227.13:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/2192-0-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

memory/2192-1-0x0000000075060000-0x000000007509E000-memory.dmp

memory/2192-4-0x0000000075060000-0x000000007509E000-memory.dmp

memory/2192-6-0x0000000075060000-0x000000007509E000-memory.dmp

memory/2192-7-0x0000000000C50000-0x0000000000C56000-memory.dmp

memory/2192-8-0x0000000075060000-0x000000007509E000-memory.dmp

memory/2192-9-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 18:46

Reported

2024-04-02 18:49

Platform

win7-20240221-en

Max time kernel

141s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\94395a29f0cf16cc80c2a1a4aee0d8d4_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\94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 244

Network

N/A

Files

memory/2104-0-0x0000000074840000-0x000000007487E000-memory.dmp

memory/2104-3-0x0000000000200000-0x0000000000206000-memory.dmp

memory/2104-4-0x0000000074840000-0x000000007487E000-memory.dmp

memory/2104-5-0x0000000074840000-0x000000007487E000-memory.dmp

memory/2104-6-0x0000000000210000-0x0000000000216000-memory.dmp

memory/2104-7-0x0000000074840000-0x000000007487E000-memory.dmp