Malware Analysis Report

2024-10-16 03:32

Sample ID 240326-yj2mwsag24
Target 2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia
SHA256 c04f8b2fab35789ddfb55b529a3daaa4e1ca51b9e9dbf2d41218c6ebdc27d8d9
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

c04f8b2fab35789ddfb55b529a3daaa4e1ca51b9e9dbf2d41218c6ebdc27d8d9

Threat Level: Known bad

The file 2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia 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 AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-26 19:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-26 19:49

Reported

2024-03-26 19:52

Platform

win7-20231129-en

Max time kernel

141s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.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\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.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\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76} C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\ = "Outlook Network Share Management Module" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe"

Network

N/A

Files

memory/1368-0-0x00000000034A0000-0x000000000367F000-memory.dmp

memory/1368-2-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-7-0x00000000034A0000-0x000000000367F000-memory.dmp

memory/1368-8-0x0000000076070000-0x0000000076180000-memory.dmp

memory/1368-11-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-12-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-13-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-15-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-16-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-17-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-18-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-19-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-20-0x00000000034A0000-0x000000000367F000-memory.dmp

memory/1368-21-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

memory/1368-25-0x00000000034A0000-0x000000000367F000-memory.dmp

memory/1368-24-0x00000000034A0000-0x000000000367F000-memory.dmp

memory/1368-27-0x00000000034A0000-0x000000000367F000-memory.dmp

memory/1368-26-0x0000000000400000-0x0000000001571000-memory.dmp

memory/1368-29-0x0000000076070000-0x0000000076180000-memory.dmp

memory/1368-31-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-26 19:49

Reported

2024-03-26 19:52

Platform

win10v2004-20240319-en

Max time kernel

147s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.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\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.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\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\2.0.50727\ = "2.0.50727" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\ProgID C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\ProgID\ = "CorSymWriter_SxS" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76} C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\4.0.30319\ImplementedInThisVersion C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\ = "C:\\Windows\\SysWOW64\\mscoree.dll" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\2.0.50727 C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\2.0.50727\ImplementedInThisVersion C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\Server C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\Server\ = "diasymreader.dll" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\ = "NDP SymWriter" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\4.0.30319 C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B897E62-A993-89B4-2ABF-23B848BF7E76}\InprocServer32\4.0.30319\ = "4.0.30319" C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-26_58fe03e4e9588c729996fb6ef9f0e735_mafia.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=5716 --field-trial-handle=2264,i,1475924722205134884,16549311107360026087,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 175.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 121.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 188.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 142.71.91.104.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 8.8.8.8:53 209.143.182.52.in-addr.arpa udp

Files

memory/4444-1-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-2-0x0000000003890000-0x0000000003A6F000-memory.dmp

memory/4444-8-0x0000000003890000-0x0000000003A6F000-memory.dmp

memory/4444-10-0x0000000076FD0000-0x00000000770C0000-memory.dmp

memory/4444-12-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-13-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-14-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-16-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-17-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-18-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-19-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-20-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-21-0x0000000003890000-0x0000000003A6F000-memory.dmp

memory/4444-22-0x0000000003890000-0x0000000003A6F000-memory.dmp

memory/4444-23-0x0000000003890000-0x0000000003A6F000-memory.dmp

memory/4444-24-0x0000000000400000-0x0000000001571000-memory.dmp

memory/4444-25-0x0000000003890000-0x0000000003A6F000-memory.dmp

memory/4444-26-0x0000000076FD0000-0x00000000770C0000-memory.dmp