Malware Analysis Report

2025-01-22 16:12

Sample ID 241110-m6f4xsvmbt
Target d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.xlsx
SHA256 d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d
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

d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d

Threat Level: Known bad

The file d86405130184186154daa4a5132dd1364ab05d1f14034c7f0a0cda690a91116d.xlsx 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 behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 11:04

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 11:04

Reported

2024-11-10 11:14

Platform

win7-20240903-en

Max time kernel

540s

Max time network

366s

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:\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
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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2088 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2660 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2680 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2680 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2680 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2680 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2680 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2680 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2680 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 1956 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 1956 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 1956 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 1956 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 1956 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 1956 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 1956 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2204 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2204 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2204 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2204 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2204 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2204 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2204 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2336 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2336 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2336 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2336 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2336 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2336 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\rundll32.exe
PID 2088 wrote to memory of 2336 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 172.67.172.37:443 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/2088-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2088-1-0x000000007276D000-0x0000000072778000-memory.dmp

memory/2088-23-0x000000007276D000-0x0000000072778000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 11:04

Reported

2024-11-10 11:05

Platform

win10v2004-20241007-en

Max time kernel

34s

Max time network

36s

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 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

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

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

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 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
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 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 211.212.224.103.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 82.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 194.47.21.104.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.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

Files

memory/4840-0-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4840-1-0x00007FFA4720D000-0x00007FFA4720E000-memory.dmp

memory/4840-3-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4840-4-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4840-6-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-7-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4840-5-0x00007FFA071F0000-0x00007FFA07200000-memory.dmp

memory/4840-2-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-10-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-11-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-9-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-12-0x00007FFA048C0000-0x00007FFA048D0000-memory.dmp

memory/4840-8-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-14-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-16-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-18-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-17-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-15-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-13-0x00007FFA048C0000-0x00007FFA048D0000-memory.dmp

memory/4840-40-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

memory/4840-41-0x00007FFA4720D000-0x00007FFA4720E000-memory.dmp

memory/4840-42-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

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

MD5 6190add5806f8d1c35b2fab510cdbf47
SHA1 860c17ad99046eb4c7f4e4c68444311421b46946
SHA256 dcc88d82ef19bc201ba4a5db8e9970e992f8646493f607f2f3ed68a72fda3e23
SHA512 a98e0674898a66a24b24dd7931835aab18e97c591f0ec7cf92a713ca438f1333168d6c0c843b82df810cdc3a125b8b32b7b3984b725b84a70d381da6cfb1e59a