Malware Analysis Report

2024-10-19 10:16

Sample ID 240407-mz79tsbb3t
Target e4c11a608adc12f626806cb1386bf8bb_JaffaCakes118
SHA256 f6420b53196aa7d8fb8ea1efbbba74e52a63acf1f0c61e7a1ce55514898c27d9
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

f6420b53196aa7d8fb8ea1efbbba74e52a63acf1f0c61e7a1ce55514898c27d9

Threat Level: Known bad

The file e4c11a608adc12f626806cb1386bf8bb_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

2024-04-07 10:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 10:55

Reported

2024-04-07 10:58

Platform

win7-20240319-en

Max time kernel

140s

Max time network

141s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c11a608adc12f626806cb1386bf8bb_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\e4c11a608adc12f626806cb1386bf8bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c11a608adc12f626806cb1386bf8bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 308

Network

N/A

Files

memory/1312-0-0x0000000074C60000-0x0000000074C90000-memory.dmp

memory/1312-1-0x0000000000170000-0x0000000000176000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 10:55

Reported

2024-04-07 10:57

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

155s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c11a608adc12f626806cb1386bf8bb_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 1216 wrote to memory of 3936 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1216 wrote to memory of 3936 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1216 wrote to memory of 3936 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\e4c11a608adc12f626806cb1386bf8bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c11a608adc12f626806cb1386bf8bb_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3936 -ip 3936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 169.253.116.51.in-addr.arpa udp

Files

memory/3936-0-0x0000000001430000-0x0000000001436000-memory.dmp

memory/3936-1-0x00000000756E0000-0x0000000075710000-memory.dmp

memory/3936-4-0x0000000001430000-0x0000000001436000-memory.dmp