Malware Analysis Report

2025-03-15 07:25

Sample ID 241111-y8dx5awapj
Target 76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc
SHA256 76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc
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

76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc

Threat Level: Known bad

The file 76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc 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

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:27

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 20:27

Reported

2024-11-11 20:29

Platform

win7-20241010-en

Max time kernel

61s

Max time network

126s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc.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\76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc.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 18.141.21.141:80 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

Files

memory/2412-1-0x0000000073E5D000-0x0000000073E68000-memory.dmp

memory/2412-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 9f1766fa76e9de9be4af1065f37ce7c5
SHA1 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef
SHA256 c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14
SHA512 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328

memory/2412-21-0x0000000073E5D000-0x0000000073E68000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:27

Reported

2024-11-11 20:29

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

135s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc.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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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\76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 www.arkpp.com udp
SG 18.141.21.141:80 www.arkpp.com tcp
US 8.8.8.8:53 47.28.109.52.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 physioacademy.co.uk udp
FR 92.205.239.100:443 physioacademy.co.uk tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 141.21.141.18.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 82.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 unada.us udp
US 198.49.23.144:443 unada.us tcp
US 8.8.8.8:53 100.239.205.92.in-addr.arpa udp
US 8.8.8.8:53 144.23.49.198.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/2288-0-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2288-1-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp

memory/2288-4-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2288-3-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2288-5-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-6-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2288-2-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2288-10-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-11-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-13-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-16-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-17-0x00007FFC27230000-0x00007FFC27240000-memory.dmp

memory/2288-15-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-18-0x00007FFC27230000-0x00007FFC27240000-memory.dmp

memory/2288-14-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-12-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-9-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-8-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-7-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 9f1766fa76e9de9be4af1065f37ce7c5
SHA1 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef
SHA256 c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14
SHA512 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328

memory/2288-40-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2288-41-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp

memory/2288-42-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

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

MD5 a7c3a30e3d81d18158bfc76fb015ff78
SHA1 fd74b789e9af4b2b2079b90c56cf973a5504402e
SHA256 6c8677bccfcca7a24225508dad197fdad7e8d57e667e37fd14f1ecb0cae5f64f
SHA512 6308319625725424ce167e4a8f9dbff311d2219f450fb40b589ce7a52dd96feeaf306a04415135f13cc73816b6052c752f90302e7f415117f0367c2750ac14ba