Malware Analysis Report

2025-03-15 07:22

Sample ID 241111-zq9shszjel
Target 6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b
SHA256 6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b
Tags
discovery macro xlm
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

6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b

Threat Level: Known bad

The file 6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:56

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:56

Reported

2024-11-11 20:59

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

144s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b.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\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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b.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 8.8.8.8:53 241.150.49.20.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
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 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
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
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 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 105.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/1856-0-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

memory/1856-3-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

memory/1856-4-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

memory/1856-2-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

memory/1856-1-0x00007FFA2206D000-0x00007FFA2206E000-memory.dmp

memory/1856-5-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

memory/1856-8-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-10-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-9-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-7-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-6-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-12-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-11-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-13-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-14-0x00007FF9DFFC0000-0x00007FF9DFFD0000-memory.dmp

memory/1856-15-0x00007FF9DFFC0000-0x00007FF9DFFD0000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 9f1766fa76e9de9be4af1065f37ce7c5
SHA1 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef
SHA256 c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14
SHA512 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328

memory/1856-37-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-38-0x00007FFA2206D000-0x00007FFA2206E000-memory.dmp

memory/1856-39-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

memory/1856-40-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

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

MD5 bb72b67c6b21a811be44b982b1c1e00c
SHA1 a213a6b0872956beec958977361a595721faf42f
SHA256 c1ecea7ab0a22b9ce6ce7b53596445a51c4c4841f7352e2c3a3d796668ca102b
SHA512 6fdb58e668331a3146f0c54236bbc1e43658e0117e6add21414e98de8338d3630b1713ca9794d043028d3554d0d2abe35b5d7576a3ee0ca7f55983bfb6b8130f

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 20:56

Reported

2024-11-11 20:59

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\6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b.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\6d86df3ecd3771c0118efb8acb97b10e43b90faf170a63cdfe66ca02229fb55b.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/2788-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2788-1-0x00000000722DD000-0x00000000722E8000-memory.dmp

C:\Users\Admin\fbd.dll

MD5 9f1766fa76e9de9be4af1065f37ce7c5
SHA1 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef
SHA256 c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14
SHA512 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328

memory/2788-23-0x00000000722DD000-0x00000000722E8000-memory.dmp