Malware Analysis Report

2024-10-16 03:32

Sample ID 240304-kmgj8sfb69
Target 2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber
SHA256 51e2519b3e421f5158b45b8304bac9cf95c79d734062ccd2b014636d1ab3dfe9
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

51e2519b3e421f5158b45b8304bac9cf95c79d734062ccd2b014636d1ab3dfe9

Threat Level: Known bad

The file 2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber 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

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 08:42

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 08:42

Reported

2024-03-04 08:45

Platform

win10v2004-20240226-en

Max time kernel

115s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.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\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.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\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\ = "C:\\Windows\\SysWOW64\\avifil32.dll" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\ = "ACM Compressed Audio Stream" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe"

C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.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=1312 --field-trial-handle=2280,i,8281149332300504990,9122875031903898779,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 200.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp

Files

memory/3764-1-0x0000000000400000-0x0000000001766000-memory.dmp

memory/4392-3-0x0000000000400000-0x0000000001766000-memory.dmp

memory/4392-4-0x0000000005AD0000-0x0000000005CDC000-memory.dmp

memory/4392-10-0x0000000005AD0000-0x0000000005CDC000-memory.dmp

memory/3764-13-0x0000000000400000-0x0000000001766000-memory.dmp

memory/4392-14-0x0000000000400000-0x0000000001766000-memory.dmp

memory/4392-15-0x0000000005AD0000-0x0000000005CDC000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 08:42

Reported

2024-03-04 08:45

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.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\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.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\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\14.0.0.0\Assembly = "Microsoft.Office.Interop.Access, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A} C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Assembly = "Microsoft.Office.Interop.Access, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\Class = "Microsoft.Office.Interop.Access.AllQueriesClass" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\14.0.0.0 C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\14.0.0.0\Class = "Microsoft.Office.Interop.Access.AllQueriesClass" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B158CAC9-568C-6DE8-CA16-0D06B339EA0A}\InprocServer32\14.0.0.0\RuntimeVersion = "v2.0.50727" C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe"

C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-04_28e828c91372dd874833bd51c842bc92_mafia_magniber.exe"

Network

N/A

Files

memory/2128-1-0x0000000000400000-0x0000000001766000-memory.dmp

memory/2280-0-0x0000000004070000-0x000000000427C000-memory.dmp

memory/2280-4-0x0000000000400000-0x0000000001766000-memory.dmp

memory/2128-8-0x00000000034C0000-0x0000000004826000-memory.dmp

memory/2280-10-0x0000000004070000-0x000000000427C000-memory.dmp

memory/2128-13-0x0000000000400000-0x0000000001766000-memory.dmp

memory/2280-14-0x0000000000400000-0x0000000001766000-memory.dmp

memory/2280-15-0x0000000004070000-0x000000000427C000-memory.dmp