Malware Analysis Report

2025-03-15 07:56

Sample ID 240807-1z6b5aycpb
Target bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6
SHA256 bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6
Tags
macro macro_on_action discovery
score
8/10

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
8/10

SHA256

bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6

Threat Level: Likely malicious

The file bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-07 22:06

Signatures

Office macro that triggers on suspicious action

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-07 22:06

Reported

2024-08-07 22:07

Platform

win7-20240704-en

Max time kernel

25s

Max time network

18s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6.xls

Signatures

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

Office loads VBA resources, possible macro or embedded object present

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\bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6.xls

Network

N/A

Files

memory/2312-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2312-1-0x000000007239D000-0x00000000723A8000-memory.dmp

memory/2312-7-0x0000000005F50000-0x0000000006050000-memory.dmp

memory/2312-6-0x0000000005F50000-0x0000000006050000-memory.dmp

memory/2312-5-0x0000000005F50000-0x0000000006050000-memory.dmp

memory/2312-8-0x0000000005F50000-0x0000000006050000-memory.dmp

memory/2312-9-0x000000007239D000-0x00000000723A8000-memory.dmp

memory/2312-10-0x0000000005F50000-0x0000000006050000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-07 22:06

Reported

2024-08-07 22:07

Platform

win10v2004-20240802-en

Max time kernel

34s

Max time network

38s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6.xls"

Signatures

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\bb148f5a66419241c777a3d2b3ad98f455ad7e9aa49c9831d2a03eda1e2dfef6.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp

Files

memory/1420-0-0x00007FFBA2A50000-0x00007FFBA2A60000-memory.dmp

memory/1420-1-0x00007FFBA2A50000-0x00007FFBA2A60000-memory.dmp

memory/1420-2-0x00007FFBA2A50000-0x00007FFBA2A60000-memory.dmp

memory/1420-4-0x00007FFBA2A50000-0x00007FFBA2A60000-memory.dmp

memory/1420-3-0x00007FFBA2A50000-0x00007FFBA2A60000-memory.dmp

memory/1420-5-0x00007FFBE2A6D000-0x00007FFBE2A6E000-memory.dmp

memory/1420-9-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-10-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-11-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-12-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-8-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-13-0x00007FFBA07E0000-0x00007FFBA07F0000-memory.dmp

memory/1420-7-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-14-0x00007FFBA07E0000-0x00007FFBA07F0000-memory.dmp

memory/1420-6-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-31-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-30-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-29-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

memory/1420-32-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp

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

MD5 6af6c9112ee423e0c1696edc58fa2cce
SHA1 9a872df3b53331c0b8d419f2e780a327463e5f00
SHA256 e7ef54ca7302a7485d24d54dd5d4b34a44a839c8393d99b694592446ae647a5c
SHA512 31448cd03441e4d1bdb0bada7188110f6cd6634043ea1896c27d64bbfa143a8fc7d4592233812fd7587ba4c73b91635daad244d2994766f71b76e8ef722970ff

memory/1420-41-0x00007FFBE29D0000-0x00007FFBE2BC5000-memory.dmp