Malware Analysis Report

2024-10-19 10:16

Sample ID 240406-1cd95acb82
Target e3537fc0e9f6f3d10efcf4d6f1eb0195_JaffaCakes118
SHA256 01b155bd4002fb517a7a8d9ec1ec985f377fbd413e7e0681180452a0cd467f9f
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

01b155bd4002fb517a7a8d9ec1ec985f377fbd413e7e0681180452a0cd467f9f

Threat Level: Known bad

The file e3537fc0e9f6f3d10efcf4d6f1eb0195_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

2024-04-06 21:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 21:29

Reported

2024-04-06 21:32

Platform

win7-20240221-en

Max time kernel

140s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3537fc0e9f6f3d10efcf4d6f1eb0195_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\e3537fc0e9f6f3d10efcf4d6f1eb0195_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3537fc0e9f6f3d10efcf4d6f1eb0195_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 300

Network

N/A

Files

memory/1660-0-0x00000000745C0000-0x00000000745F0000-memory.dmp

memory/1660-1-0x0000000000190000-0x0000000000196000-memory.dmp

memory/1660-2-0x00000000745C0000-0x00000000745F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 21:29

Reported

2024-04-06 21:32

Platform

win10v2004-20231215-en

Max time kernel

91s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3537fc0e9f6f3d10efcf4d6f1eb0195_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 1452 wrote to memory of 2524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1452 wrote to memory of 2524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1452 wrote to memory of 2524 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\e3537fc0e9f6f3d10efcf4d6f1eb0195_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3537fc0e9f6f3d10efcf4d6f1eb0195_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2524 -ip 2524

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 664

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp

Files

memory/2524-0-0x00000000749A0000-0x00000000749D0000-memory.dmp

memory/2524-1-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

memory/2524-2-0x00000000749A0000-0x00000000749D0000-memory.dmp