Malware Analysis Report

2025-01-22 16:05

Sample ID 241110-ncqlyavnct
Target d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.xlsx
SHA256 d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d
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

d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d

Threat Level: Known bad

The file d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.xlsx was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 11:15

Signatures

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 11:15

Reported

2024-11-10 11:17

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.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\rundll32.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\rundll32.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\rundll32.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\rundll32.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\rundll32.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\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.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\rundll32.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 2068 wrote to memory of 2804 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2804 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2804 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2804 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2804 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2804 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2804 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2724 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2724 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2724 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2724 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2724 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2724 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2724 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2632 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2632 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2632 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2632 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2632 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2632 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2632 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2640 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2640 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2640 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2640 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2640 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2640 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 2640 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2068 wrote to memory of 1564 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.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\d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.xlsm

C:\Windows\SysWOW64\rundll32.exe

rundll32 ..\ksjvoefv.skd,DllRegisterServer

C:\Windows\SysWOW64\rundll32.exe

rundll32 ..\ksjvoefv.skd1,DllRegisterServer

C:\Windows\SysWOW64\rundll32.exe

rundll32 ..\ksjvoefv.skd2,DllRegisterServer

C:\Windows\SysWOW64\rundll32.exe

rundll32 ..\ksjvoefv.skd3,DllRegisterServer

C:\Windows\SysWOW64\rundll32.exe

rundll32 ..\ksjvoefv.skd4,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 metaflip.io udp
US 103.224.212.211:443 metaflip.io tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.82:80 r10.o.lencr.org tcp
US 8.8.8.8:53 partsapp.com.br udp
US 8.8.8.8:53 columbia.aula-web.net udp
US 8.8.8.8:53 tajushariya.com udp
US 8.8.8.8:53 agenbolatermurah.com udp
US 104.21.47.194:443 agenbolatermurah.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.22:80 crl.microsoft.com tcp

Files

memory/2068-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2068-1-0x000000007209D000-0x00000000720A8000-memory.dmp

memory/2068-21-0x000000007209D000-0x00000000720A8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 11:15

Reported

2024-11-10 11:17

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\d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.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\SYSTEM32\rundll32.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\rundll32.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\rundll32.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\rundll32.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\rundll32.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 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

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\d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.xlsm"

C:\Windows\SYSTEM32\rundll32.exe

rundll32 ..\ksjvoefv.skd,DllRegisterServer

C:\Windows\SYSTEM32\rundll32.exe

rundll32 ..\ksjvoefv.skd1,DllRegisterServer

C:\Windows\SYSTEM32\rundll32.exe

rundll32 ..\ksjvoefv.skd2,DllRegisterServer

C:\Windows\SYSTEM32\rundll32.exe

rundll32 ..\ksjvoefv.skd3,DllRegisterServer

C:\Windows\SYSTEM32\rundll32.exe

rundll32 ..\ksjvoefv.skd4,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 metaflip.io udp
US 103.224.212.211:443 metaflip.io tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 211.212.224.103.in-addr.arpa udp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 partsapp.com.br udp
US 8.8.8.8:53 columbia.aula-web.net udp
US 8.8.8.8:53 tajushariya.com udp
US 8.8.8.8:53 agenbolatermurah.com udp
US 172.67.172.37:443 agenbolatermurah.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.195:80 c.pki.goog tcp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 37.172.67.172.in-addr.arpa udp
US 8.8.8.8:53 195.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 14.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/3068-0-0x00007FF929F50000-0x00007FF929F60000-memory.dmp

memory/3068-1-0x00007FF969F6D000-0x00007FF969F6E000-memory.dmp

memory/3068-3-0x00007FF929F50000-0x00007FF929F60000-memory.dmp

memory/3068-2-0x00007FF929F50000-0x00007FF929F60000-memory.dmp

memory/3068-5-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-6-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-7-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-8-0x00007FF929F50000-0x00007FF929F60000-memory.dmp

memory/3068-10-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-11-0x00007FF927BB0000-0x00007FF927BC0000-memory.dmp

memory/3068-9-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-4-0x00007FF929F50000-0x00007FF929F60000-memory.dmp

memory/3068-13-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-14-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-17-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-18-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-16-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-15-0x00007FF927BB0000-0x00007FF927BC0000-memory.dmp

memory/3068-12-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-42-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

memory/3068-43-0x00007FF969F6D000-0x00007FF969F6E000-memory.dmp

memory/3068-44-0x00007FF969ED0000-0x00007FF96A0C5000-memory.dmp

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

MD5 fac3dc1822525ca4b0b7f1b227ce39cc
SHA1 6aac268974fcfa0742ea8733be408cbbae5ad12d
SHA256 15402a75f2db150394391eed80fe2b7e0ea2a794eaf38db8ebbb3c35b36920cc
SHA512 57150aa3e5f1eeee661ee54465c3605e5479f32bb6dab271d7cafc46b8d9f7a9741a5818b3bfd9a2d8534da0d83cdeed27e0017f6dc50889699bd271b804f6c1