Malware Analysis Report

2024-10-19 10:15

Sample ID 240406-snkbhsda5y
Target e2d31df2d0137381c95b0d3b0a3da14c_JaffaCakes118
SHA256 ce5b3262a16d03ba7cb7d48148ca5cd0f398097fd4aa58c6ebf23f95ed99192d
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

ce5b3262a16d03ba7cb7d48148ca5cd0f398097fd4aa58c6ebf23f95ed99192d

Threat Level: Known bad

The file e2d31df2d0137381c95b0d3b0a3da14c_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

2024-04-06 15:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 15:16

Reported

2024-04-06 15:18

Platform

win7-20240221-en

Max time kernel

142s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2d31df2d0137381c95b0d3b0a3da14c_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\e2d31df2d0137381c95b0d3b0a3da14c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2d31df2d0137381c95b0d3b0a3da14c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 308

Network

N/A

Files

memory/2600-0-0x0000000074AF0000-0x0000000074B20000-memory.dmp

memory/2600-1-0x0000000000200000-0x0000000000206000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 15:16

Reported

2024-04-06 15:18

Platform

win10v2004-20231215-en

Max time kernel

91s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2d31df2d0137381c95b0d3b0a3da14c_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 5044 wrote to memory of 1812 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5044 wrote to memory of 1812 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5044 wrote to memory of 1812 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\e2d31df2d0137381c95b0d3b0a3da14c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2d31df2d0137381c95b0d3b0a3da14c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1812 -ip 1812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1812-0-0x0000000075770000-0x00000000757A0000-memory.dmp

memory/1812-1-0x0000000002540000-0x0000000002546000-memory.dmp