Malware Analysis Report

2024-10-19 10:15

Sample ID 240402-l5v11seb3t
Target 55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.zip
SHA256 0e563364aa5e690f1241f05eeed1718e1514aed3b32062e3be9b7dcc82c378bd
Tags
botnet loader 22201 dridex
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

0e563364aa5e690f1241f05eeed1718e1514aed3b32062e3be9b7dcc82c378bd

Threat Level: Known bad

The file 55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.zip was found to be: Known bad.

Malicious Activity Summary

botnet loader 22201 dridex

Dridex Loader

Dridex family

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 10:07

Signatures

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A

Dridex family

dridex

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 10:07

Reported

2024-04-02 10:13

Platform

win7-20231129-en

Max time kernel

118s

Max time network

120s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2344 wrote to memory of 2348 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2348 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2348 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2348 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2348 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2348 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2344 wrote to memory of 2348 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.dll

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 10:07

Reported

2024-04-02 10:13

Platform

win10v2004-20240319-en

Max time kernel

148s

Max time network

156s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3172 wrote to memory of 1108 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3172 wrote to memory of 1108 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3172 wrote to memory of 1108 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.dll

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2320,i,3025503729105798828,9325691672526736153,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 167.161.23.2.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 249.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 48.192.11.51.in-addr.arpa udp

Files

N/A