Malware Analysis Report

2024-10-16 03:33

Sample ID 240409-2wj56abf6t
Target 84077d0d389983e7dc332740ccbade19
SHA256 7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4
Tags
banload downloader dropper evasion trojan
score
10/10

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
10/10

SHA256

7c620843361c577c94297f4a16eba109328dd8880b776b6764baeb2d898865a4

Threat Level: Known bad

The file 84077d0d389983e7dc332740ccbade19 was found to be: Known bad.

Malicious Activity Summary

banload downloader dropper evasion trojan

Banload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-09 22:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-09 22:55

Reported

2024-04-09 23:00

Platform

win7-20240221-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"

Signatures

Banload

trojan dropper downloader banload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\RTFClassName C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\RTFClassName\MSWinWrite C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe

"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"

C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe

"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"

Network

N/A

Files

memory/1640-0-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/1640-1-0x0000000002D90000-0x00000000037EF000-memory.dmp

memory/1896-3-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/1896-2-0x0000000003870000-0x0000000003A7C000-memory.dmp

memory/1896-10-0x0000000003870000-0x0000000003A7C000-memory.dmp

memory/1640-13-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/1896-14-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/1896-15-0x0000000003870000-0x0000000003A7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-09 22:55

Reported

2024-04-09 23:01

Platform

win10v2004-20240226-en

Max time kernel

164s

Max time network

177s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"

Signatures

Banload

trojan dropper downloader banload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\ = "C:\\Windows\\SysWOW64\\mscoree.dll" C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Assembly = "mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Class = "System.Globalization.IdnMapping" C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe

"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"

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=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe

"C:\Users\Admin\AppData\Local\Temp\84077d0d389983e7dc332740ccbade19.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.179.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 234.179.250.142.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp

Files

memory/2852-0-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/3856-3-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/3856-4-0x0000000005160000-0x000000000536C000-memory.dmp

memory/3856-10-0x0000000005160000-0x000000000536C000-memory.dmp

memory/3856-11-0x0000000005160000-0x000000000536C000-memory.dmp

memory/3856-12-0x0000000000400000-0x0000000000E5F000-memory.dmp

memory/3856-14-0x0000000005160000-0x000000000536C000-memory.dmp