Malware Analysis Report

2024-10-19 10:16

Sample ID 240407-lnpgxaad72
Target e49fed51c5021dfb1f34357581942884_JaffaCakes118
SHA256 f0747fbdc0c93c8ccd434d52811a8756f3b91ac93181c4f852e48c6a13d7acae
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

f0747fbdc0c93c8ccd434d52811a8756f3b91ac93181c4f852e48c6a13d7acae

Threat Level: Known bad

The file e49fed51c5021dfb1f34357581942884_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 09:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 09:40

Reported

2024-04-07 09:43

Platform

win7-20240221-en

Max time kernel

142s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e49fed51c5021dfb1f34357581942884_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\e49fed51c5021dfb1f34357581942884_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e49fed51c5021dfb1f34357581942884_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 308

Network

N/A

Files

memory/1284-0-0x0000000074960000-0x0000000074990000-memory.dmp

memory/1284-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1284-2-0x0000000074960000-0x0000000074990000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 09:40

Reported

2024-04-07 09:43

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

156s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e49fed51c5021dfb1f34357581942884_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 2916 wrote to memory of 4092 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2916 wrote to memory of 4092 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2916 wrote to memory of 4092 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\e49fed51c5021dfb1f34357581942884_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\e49fed51c5021dfb1f34357581942884_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4092 -ip 4092

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 688

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp

Files

memory/4092-0-0x0000000000380000-0x0000000000386000-memory.dmp

memory/4092-1-0x0000000074DF0000-0x0000000074E20000-memory.dmp

memory/4092-3-0x0000000000380000-0x0000000000386000-memory.dmp