Malware Analysis Report

2024-10-19 10:15

Sample ID 240407-sq2zcafc7v
Target e53c35bcd050488a5bc9a5a4837f1e63_JaffaCakes118
SHA256 e51fd3d9d6b5e1b3e388b4d22986bbac802e93f6103f0d3053fb36ccaee8d6f5
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

e51fd3d9d6b5e1b3e388b4d22986bbac802e93f6103f0d3053fb36ccaee8d6f5

Threat Level: Known bad

The file e53c35bcd050488a5bc9a5a4837f1e63_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 15:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 15:20

Reported

2024-04-07 15:23

Platform

win7-20240319-en

Max time kernel

142s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53c35bcd050488a5bc9a5a4837f1e63_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\e53c35bcd050488a5bc9a5a4837f1e63_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53c35bcd050488a5bc9a5a4837f1e63_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 308

Network

N/A

Files

memory/2072-1-0x0000000074A30000-0x0000000074A60000-memory.dmp

memory/2072-0-0x0000000000150000-0x0000000000156000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 15:20

Reported

2024-04-07 15:23

Platform

win10v2004-20240226-en

Max time kernel

99s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53c35bcd050488a5bc9a5a4837f1e63_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 4356 wrote to memory of 1124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4356 wrote to memory of 1124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4356 wrote to memory of 1124 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\e53c35bcd050488a5bc9a5a4837f1e63_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e53c35bcd050488a5bc9a5a4837f1e63_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1124 -ip 1124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 688

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp

Files

memory/1124-0-0x0000000075470000-0x00000000754A0000-memory.dmp

memory/1124-1-0x0000000000F60000-0x0000000000F66000-memory.dmp