Malware Analysis Report

2025-03-15 07:23

Sample ID 241111-zkt5wayrdm
Target ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7
SHA256 ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7
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

ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7

Threat Level: Known bad

The file ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7 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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:47

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 20:47

Reported

2024-11-11 20:49

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7.xlsm

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

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

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

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\ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7.xlsm

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe /s ..\sei.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 rosywhitecleaningsolution.com udp
US 8.8.8.8:53 havilaholuemglobal.com udp
US 8.8.8.8:53 www.floresguitarinstruction.com udp
US 8.8.8.8:53 www.drcc.co.za udp
DE 188.40.106.108:80 www.drcc.co.za tcp
US 8.8.8.8:53 aopda.org udp
US 172.67.147.227:80 aopda.org tcp

Files

memory/2692-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2692-1-0x00000000720FD000-0x0000000072108000-memory.dmp

C:\Users\Admin\sei.ocx

MD5 b989cefc70fbf0832dba1c4b40d06c03
SHA1 6130efbded8fd78b2cdb9f112f45b7b9210ecde9
SHA256 0775be9039ff902dbe1ff3c4caf7fa3db500ef3a869b4c26ca7274dbdf341652
SHA512 1e972abec35ba242d8db75699ba21114564c8acc303558b7955e0991cdf16d56ea208789403f96127ea8655f196c65150e01cc1307b827f34d838984688d3b08

memory/2692-7-0x00000000720FD000-0x0000000072108000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:47

Reported

2024-11-11 20:49

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\ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7.xlsm"

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\SysWow64\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\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

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\ac1c01e3268ca2840c35060d41875d027d58ab266f9864e68c8a82742e7f7bc7.xlsm"

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe /s ..\sei.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 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 rosywhitecleaningsolution.com udp
US 8.8.8.8:53 havilaholuemglobal.com udp
US 8.8.8.8:53 www.floresguitarinstruction.com udp
US 8.8.8.8:53 www.drcc.co.za udp
DE 188.40.106.108:80 www.drcc.co.za tcp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 aopda.org udp
US 172.67.147.227:80 aopda.org tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.106.40.188.in-addr.arpa udp
US 8.8.8.8:53 227.147.67.172.in-addr.arpa udp
US 8.8.8.8:53 209.80.50.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4504-1-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

memory/4504-0-0x00007FF834450000-0x00007FF834460000-memory.dmp

memory/4504-5-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-4-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-6-0x00007FF834450000-0x00007FF834460000-memory.dmp

memory/4504-7-0x00007FF834450000-0x00007FF834460000-memory.dmp

memory/4504-3-0x00007FF834450000-0x00007FF834460000-memory.dmp

memory/4504-9-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-8-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-10-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-11-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-12-0x00007FF8323F0000-0x00007FF832400000-memory.dmp

memory/4504-2-0x00007FF834450000-0x00007FF834460000-memory.dmp

memory/4504-13-0x00007FF8323F0000-0x00007FF832400000-memory.dmp

memory/4504-17-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-16-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-15-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-14-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

C:\Users\Admin\sei.ocx

MD5 dbb08c2cb91d85142cbecfc241dee159
SHA1 9cee886a660124128ce48b4d27d2430fa6049170
SHA256 a8ff1320d65e18d91ef0194aeb9d69878ed17be3efbd06a2ac3bdea1a25b2364
SHA512 185caae6616079626595af49f89226cf970c06664a52b7db6877b5e3f623101a0f46db6683a84f36c7dbbd74b7fe56a8cf83cdee2124d90fe6a7860fe3bc6363

memory/4504-32-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

memory/4504-33-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

memory/4504-34-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

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

MD5 fe3aaa2cd52a65636e171491d207615f
SHA1 c00d4ef47e473aa417d9e03daa8f04f1ae2e6ce8
SHA256 2c2cfdd206b03ce61dca3b9ccace3568837f89d8b18d2f9485c347dc682f0223
SHA512 9a18c5a4fcc8c22920b5a458b71ac3428261b9885da6cf184562c1f0fa601febab1bd211794a0de509d6689e076b4dfa01e8fdc2ed2e1dade6d4a297d7e47ed4