Malware Analysis Report

2025-01-18 16:01

Sample ID 240407-gyqqhafc66
Target e43f171d207bf9834207573433d16e19_JaffaCakes118
SHA256 990ec0811faa820e58006989d75d485a6a1acc41f51e5d6311e3bdb3ea1c0b9b
Tags
dridex 10222 botnet discovery evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

990ec0811faa820e58006989d75d485a6a1acc41f51e5d6311e3bdb3ea1c0b9b

Threat Level: Known bad

The file e43f171d207bf9834207573433d16e19_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

dridex 10222 botnet discovery evasion trojan

Dridex

Blocklisted process makes network request

Checks installed software on the system

Checks whether UAC is enabled

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 06:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 06:13

Reported

2024-04-07 06:15

Platform

win7-20240220-en

Max time kernel

142s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e43f171d207bf9834207573433d16e19_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2784 wrote to memory of 2160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2784 wrote to memory of 2160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2784 wrote to memory of 2160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2784 wrote to memory of 2160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2784 wrote to memory of 2160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2784 wrote to memory of 2160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2784 wrote to memory of 2160 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\e43f171d207bf9834207573433d16e19_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e43f171d207bf9834207573433d16e19_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 174.128.245.202:443 tcp
US 174.128.245.202:443 tcp

Files

memory/2160-0-0x0000000000B10000-0x0000000000C49000-memory.dmp

memory/2160-2-0x0000000000B10000-0x0000000000C49000-memory.dmp

memory/2160-4-0x0000000000B10000-0x0000000000C49000-memory.dmp

memory/2160-6-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2160-7-0x0000000000B10000-0x0000000000C49000-memory.dmp

memory/2160-9-0x00000000001C0000-0x00000000001C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 06:13

Reported

2024-04-07 06:15

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

93s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e43f171d207bf9834207573433d16e19_JaffaCakes118.dll,#1

Signatures

Dridex

botnet dridex

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1864 wrote to memory of 720 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1864 wrote to memory of 720 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1864 wrote to memory of 720 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\e43f171d207bf9834207573433d16e19_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e43f171d207bf9834207573433d16e19_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 174.128.245.202:443 tcp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/720-0-0x0000000002370000-0x00000000024A9000-memory.dmp

memory/720-2-0x0000000002370000-0x00000000024A9000-memory.dmp

memory/720-3-0x0000000002370000-0x00000000024A9000-memory.dmp

memory/720-5-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

memory/720-6-0x0000000002370000-0x00000000024A9000-memory.dmp

memory/720-8-0x0000000000BD0000-0x0000000000BD1000-memory.dmp