Malware Analysis Report

2025-03-15 07:23

Sample ID 241111-zzr9tsvrey
Target b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc
SHA256 b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc
Tags
macro xlm discovery
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

b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc

Threat Level: Known bad

The file b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc 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 use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:09

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 21:09

Reported

2024-11-11 21:12

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

139s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc.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 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\b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 fisika.mipa.uns.ac.id udp
US 8.8.8.8:53 greycoconut.com udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
IN 180.149.241.246:80 greycoconut.com tcp
US 8.8.8.8:53 www.greycoconut.com udp
IN 180.149.241.246:80 www.greycoconut.com tcp
US 8.8.8.8:53 246.241.149.180.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 zonainformatica.es udp
ES 82.98.170.50:80 zonainformatica.es tcp
ES 82.98.170.50:443 zonainformatica.es tcp
US 8.8.8.8:53 50.170.98.82.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 balletmagazine.ro udp
RO 188.215.244.191:80 balletmagazine.ro tcp
US 8.8.8.8:53 191.244.215.188.in-addr.arpa udp
US 8.8.8.8:53 28.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 28.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4404-0-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

memory/4404-2-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

memory/4404-3-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

memory/4404-1-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

memory/4404-6-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-5-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

memory/4404-4-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-7-0x00007FFC5E270000-0x00007FFC5E280000-memory.dmp

memory/4404-9-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-8-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-10-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-11-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-12-0x00007FFC5B910000-0x00007FFC5B920000-memory.dmp

memory/4404-14-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-16-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-15-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-17-0x00007FFC5B910000-0x00007FFC5B920000-memory.dmp

memory/4404-13-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-19-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-18-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

C:\Users\Admin\soci2.ocx

MD5 3b79e62476916ff33ddc0668a0898e6d
SHA1 fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256 418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA512 3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

memory/4404-38-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-39-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

memory/4404-40-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

memory/4404-44-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

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

MD5 afc625d5c9b24a392e63801650af663f
SHA1 81bb176106802198a54dd652601a47d803dc9828
SHA256 2b134e10a588944aa1ae05d84b3e5b87547f071fbf6368213c8b0b139c97cb64
SHA512 4533fa73dfa4df5e32393031d8d18ee5e9e88df680e5e418315086ba75a6b5b4c9b3127920254c93b75b7c9d18be2ec7566d98d8b71a8e8d2e86eefe43993139

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 21:09

Reported

2024-11-11 21:12

Platform

win7-20240903-en

Max time kernel

141s

Max time network

146s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc.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:\Windows\SysWOW64\regsvr32.exe N/A
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

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 1940 wrote to memory of 2116 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2116 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2116 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2116 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2116 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2116 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2116 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2228 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2228 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2228 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2228 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2228 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2228 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2228 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2968 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2968 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2968 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2968 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2968 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2968 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1940 wrote to memory of 2968 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\b7876f48fe052460bed5800bed8b990dc04610a86dd7da26a44e50c3486dbfdc.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 fisika.mipa.uns.ac.id udp
US 8.8.8.8:53 greycoconut.com udp
IN 180.149.241.246:80 greycoconut.com tcp
US 8.8.8.8:53 www.greycoconut.com udp
IN 180.149.241.246:80 www.greycoconut.com tcp
US 8.8.8.8:53 zonainformatica.es udp
ES 82.98.170.50:80 zonainformatica.es tcp
ES 82.98.170.50:443 zonainformatica.es tcp
US 8.8.8.8:53 balletmagazine.ro udp
RO 188.215.244.191:80 balletmagazine.ro tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.22:80 crl.microsoft.com tcp

Files

memory/1940-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1940-1-0x000000007228D000-0x0000000072298000-memory.dmp

C:\Users\Admin\soci2.ocx

MD5 3b79e62476916ff33ddc0668a0898e6d
SHA1 fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256 418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA512 3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

memory/1940-18-0x000000007228D000-0x0000000072298000-memory.dmp