Malware Analysis Report

2025-01-22 16:05

Sample ID 241111-tzz2sa1hlg
Target d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3
SHA256 d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3
Tags
macro xlm discovery
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

d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3

Threat Level: Known bad

The file d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3 was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 16:30

Signatures

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 16:30

Reported

2024-11-11 16:32

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3.xlsm

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWow64\regsvr32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWow64\regsvr32.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3.xlsm

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe -s ..\fbd.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.arkpp.com udp
SG 18.139.243.13:80 www.arkpp.com tcp
US 8.8.8.8:53 www.avrworks.com udp
US 8.8.8.8:53 www.babylinesl.com udp
ES 31.24.156.22:80 www.babylinesl.com tcp
ES 31.24.156.22:443 www.babylinesl.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.75:80 r11.o.lencr.org tcp
US 8.8.8.8:53 physioacademy.co.uk udp
FR 92.205.239.100:443 physioacademy.co.uk tcp
FR 92.205.239.100:443 physioacademy.co.uk tcp
FR 92.205.239.100:443 physioacademy.co.uk tcp
FR 92.205.239.100:443 physioacademy.co.uk tcp
US 8.8.8.8:53 unada.us udp
US 198.49.23.144:443 unada.us tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.22:80 crl.microsoft.com tcp

Files

memory/2408-1-0x0000000072B2D000-0x0000000072B38000-memory.dmp

memory/2408-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 9f1766fa76e9de9be4af1065f37ce7c5
SHA1 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef
SHA256 c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14
SHA512 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328

memory/2408-23-0x0000000072B2D000-0x0000000072B38000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 16:30

Reported

2024-11-11 16:32

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

146s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3.xlsm"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWow64\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWow64\regsvr32.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d5d15e06add767bcc18ddd4dd7e4dc8315a5fbf5bdd4605630a2582c7d9f51e3.xlsm"

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe -s ..\fbd.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 www.arkpp.com udp
SG 18.139.243.13:80 www.arkpp.com tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 www.avrworks.com udp
US 8.8.8.8:53 www.babylinesl.com udp
ES 31.24.156.22:80 www.babylinesl.com tcp
ES 31.24.156.22:443 www.babylinesl.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.82:80 r11.o.lencr.org tcp
US 8.8.8.8:53 13.243.139.18.in-addr.arpa udp
US 8.8.8.8:53 22.156.24.31.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 physioacademy.co.uk udp
FR 92.205.239.100:443 physioacademy.co.uk tcp
US 8.8.8.8:53 unada.us udp
US 198.49.23.144:443 unada.us tcp
US 8.8.8.8:53 82.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 144.23.49.198.in-addr.arpa udp
US 8.8.8.8:53 100.239.205.92.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/4632-3-0x00007FF8F9F2D000-0x00007FF8F9F2E000-memory.dmp

memory/4632-1-0x00007FF8B9F10000-0x00007FF8B9F20000-memory.dmp

memory/4632-0-0x00007FF8B9F10000-0x00007FF8B9F20000-memory.dmp

memory/4632-2-0x00007FF8B9F10000-0x00007FF8B9F20000-memory.dmp

memory/4632-6-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-5-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-11-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-10-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-9-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-8-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-7-0x00007FF8B9F10000-0x00007FF8B9F20000-memory.dmp

memory/4632-4-0x00007FF8B9F10000-0x00007FF8B9F20000-memory.dmp

memory/4632-17-0x00007FF8B7790000-0x00007FF8B77A0000-memory.dmp

memory/4632-16-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-15-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-14-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-13-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-12-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

memory/4632-18-0x00007FF8B7790000-0x00007FF8B77A0000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 9f1766fa76e9de9be4af1065f37ce7c5
SHA1 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef
SHA256 c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14
SHA512 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328

memory/4632-40-0x00007FF8F9E90000-0x00007FF8FA085000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 c71f83e8f58ca6a50289e8b3373da311
SHA1 96ed96a0f0270d2a91e9c5ec3310a24235665e1a
SHA256 3edbb0246e9aca9b3d562e8bc478442290b5ce0eb9c7ed9675927e539163a407
SHA512 5d51f9954053215e8783a81bd2fd9f6e1f68fb71c9fb5c59fd57ee62add4ef658f8cd02758b36b109c11e9d586ba623de6a9fc81e8364ba4ec1eb687842bf877