Malware Analysis Report

2025-03-15 07:25

Sample ID 241111-y4x57synej
Target 9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1
SHA256 9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1
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

9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1

Threat Level: Known bad

The file 9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1 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 FindShellTrayWindow

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:20

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 20:20

Reported

2024-11-11 20:23

Platform

win7-20241010-en

Max time kernel

61s

Max time network

143s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1.xls

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
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
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
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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2548 wrote to memory of 1276 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1276 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1276 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1276 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1276 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1276 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1276 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2448 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2448 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2448 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2448 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2448 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2448 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2448 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2024 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2024 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2024 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2024 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2024 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2024 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 2024 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1712 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1712 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1712 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1712 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1712 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1712 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2548 wrote to memory of 1712 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe

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\9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1.xls

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 atperson.com udp
US 192.124.249.65:443 atperson.com tcp
US 8.8.8.8:53 buffetmazzi.com.br udp
BR 168.75.86.74:443 buffetmazzi.com.br tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 atici.net udp
TR 185.15.196.157:80 atici.net tcp
US 8.8.8.8:53 www.birebiregitim.net udp

Files

memory/2548-1-0x000000007296D000-0x0000000072978000-memory.dmp

memory/2548-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabA00A.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarA099.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2548-124-0x000000007296D000-0x0000000072978000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:20

Reported

2024-11-11 20:23

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

134s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1.xls"

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\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

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 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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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\9b748b8897a5480048890c5807a43e2075b14dbe419fda768443b82f75bd30f1.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 atperson.com udp
US 192.124.249.65:443 atperson.com tcp
US 8.8.8.8:53 ocsp.starfieldtech.com udp
US 192.124.249.36:80 ocsp.starfieldtech.com tcp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 65.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 36.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 buffetmazzi.com.br udp
BR 168.75.86.74:443 buffetmazzi.com.br tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 atici.net udp
TR 185.15.196.157:80 atici.net tcp
US 8.8.8.8:53 74.86.75.168.in-addr.arpa udp
US 8.8.8.8:53 69.194.219.23.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 www.birebiregitim.net udp
US 8.8.8.8:53 157.196.15.185.in-addr.arpa udp
US 8.8.8.8:53 130.109.69.13.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2592-3-0x00007FF9C6710000-0x00007FF9C6720000-memory.dmp

memory/2592-2-0x00007FF9C6710000-0x00007FF9C6720000-memory.dmp

memory/2592-1-0x00007FFA0672D000-0x00007FFA0672E000-memory.dmp

memory/2592-0-0x00007FF9C6710000-0x00007FF9C6720000-memory.dmp

memory/2592-4-0x00007FF9C6710000-0x00007FF9C6720000-memory.dmp

memory/2592-6-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-5-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-9-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-13-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-14-0x00007FF9C4430000-0x00007FF9C4440000-memory.dmp

memory/2592-12-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-15-0x00007FF9C4430000-0x00007FF9C4440000-memory.dmp

memory/2592-11-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-10-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-18-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-17-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-16-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-8-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-7-0x00007FF9C6710000-0x00007FF9C6720000-memory.dmp

memory/2592-40-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-41-0x00007FFA0672D000-0x00007FFA0672E000-memory.dmp

memory/2592-42-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

memory/2592-43-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

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

MD5 5c488498ced0b491c7adfda567d83fc8
SHA1 169e10e31d7517a67b1a184da416d57c880fbbc2
SHA256 cf5979b82d3b7c18509b8f8c97166ffd4ddfcfe80e6eb56a2c27b29e3f467fb8
SHA512 a67924962be1478f49e7ff78c2c5d3d4c8ff69885008317daf9af5d23d6bb9ada1e2787300ac625ba920baddf98b92c1d5750f5698fc368a661302da2fd22fd7