Malware Analysis Report

2024-10-16 03:32

Sample ID 240811-wq2v5avfnh
Target Black Mesa Monitor Screensaver.scr
SHA256 932b803b498308d97782847fc00c6f54dfacc847aaf24ffb658064f3622994fd
Tags
banload discovery downloader dropper 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

932b803b498308d97782847fc00c6f54dfacc847aaf24ffb658064f3622994fd

Threat Level: Known bad

The file Black Mesa Monitor Screensaver.scr was found to be: Known bad.

Malicious Activity Summary

banload discovery downloader dropper trojan

Banload

Checks BIOS information in registry

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Modifies registry class

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-11 18:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 18:08

Reported

2024-08-11 18:09

Platform

win7-20240704-en

Max time kernel

29s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr" /S

Signatures

Banload

trojan dropper downloader banload

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63} C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\ = "IAVIStream & IAVIFile Proxy" C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\InprocServer32\ = "%SystemRoot%\\SysWow64\\avifil32.dll" C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\InprocServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr

"C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr" /S

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\RedoOut.DVR-MS"

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x494

Network

N/A

Files

memory/2028-0-0x00000000031A0000-0x0000000003379000-memory.dmp

memory/2028-6-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/2028-7-0x00000000031A0000-0x0000000003379000-memory.dmp

memory/2028-12-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/2028-14-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/2028-15-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/2028-16-0x00000000010A0000-0x00000000010C0000-memory.dmp

memory/2028-17-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/2028-20-0x00000000031A0000-0x0000000003379000-memory.dmp

memory/2028-19-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/2028-22-0x00000000031A0000-0x0000000003379000-memory.dmp

memory/2028-23-0x00000000031A0000-0x0000000003379000-memory.dmp

memory/2028-24-0x00000000031A0000-0x0000000003379000-memory.dmp

memory/2028-27-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/2692-35-0x000000013FF70000-0x0000000140068000-memory.dmp

memory/2692-36-0x000007FEFB5F0000-0x000007FEFB624000-memory.dmp

memory/2692-37-0x000007FEF6A70000-0x000007FEF6D26000-memory.dmp

memory/2692-38-0x000007FEF5330000-0x000007FEF63E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 18:08

Reported

2024-08-11 18:11

Platform

win10v2004-20240802-en

Max time kernel

116s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr" /S

Signatures

Banload

trojan dropper downloader banload

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63} C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\ = "Connected Account State Change" C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\InProcServer32\ = "%SystemRoot%\\SysWow64\\ConnectedAccountState.dll" C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{251F89F4-807B-1861-D9E5-1E017009BD63}\InProcServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr

"C:\Users\Admin\AppData\Local\Temp\Black Mesa Monitor Screensaver.scr" /S

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 35.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4952-1-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/4952-2-0x0000000003CE0000-0x0000000003EB9000-memory.dmp

memory/4952-8-0x0000000003CE0000-0x0000000003EB9000-memory.dmp

memory/4952-13-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/4952-17-0x0000000003C80000-0x0000000003CA0000-memory.dmp

memory/4952-14-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/4952-16-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/4952-21-0x0000000003CE0000-0x0000000003EB9000-memory.dmp

memory/4952-20-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/4952-18-0x0000000000400000-0x0000000000A2B000-memory.dmp

memory/4952-23-0x0000000003CE0000-0x0000000003EB9000-memory.dmp

memory/4952-24-0x0000000003CE0000-0x0000000003EB9000-memory.dmp

memory/4952-26-0x0000000003CE0000-0x0000000003EB9000-memory.dmp

memory/4952-28-0x0000000000400000-0x0000000000A2B000-memory.dmp