Malware Analysis Report

2024-10-23 17:08

Sample ID 241014-pxkrvswbpf
Target AvastSvcZEg.zip
SHA256 72a7b8fe4b8401120124e8f9460bfd457fbf76b70a0c057b58ff271c5b2aadca
Tags
score
3/10

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 Overview

score
3/10

SHA256

72a7b8fe4b8401120124e8f9460bfd457fbf76b70a0c057b58ff271c5b2aadca

Threat Level: Likely benign

The file AvastSvcZEg.zip was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-14 12:42

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-14 12:42

Reported

2024-10-14 12:45

Platform

win10v2004-20241007-en

Max time kernel

21s

Max time network

23s

Command Line

cmd /c /q C:\Users\Admin\AppData\Local\Temp\AvastSvcZEg\AvastSvc.exe 567 51

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 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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily 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:\Windows\system32\cmd.exe

cmd /c /q C:\Users\Admin\AppData\Local\Temp\AvastSvcZEg\AvastSvc.exe 567 51

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\SelectExpand.xlsx"

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

memory/4068-1-0x00007FF819E6D000-0x00007FF819E6E000-memory.dmp

memory/4068-0-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-3-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-2-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-8-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-7-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-4-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-10-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-11-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-12-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-9-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-13-0x00007FF7D7BF0000-0x00007FF7D7C00000-memory.dmp

memory/4068-6-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-5-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-16-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-18-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-17-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-15-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

memory/4068-14-0x00007FF7D7BF0000-0x00007FF7D7C00000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

MD5 40c4be81c85f71e0712b9683c51c3ea9
SHA1 c0d160a443029583ebbdc165e55640f12adf102e
SHA256 6d66d161710241400f3d70cf5c648a7787cd461f51262ac7e9257e6bc828f6a8
SHA512 ca0d2f4f2242ebcce329e011dcaf58c9f7ad15d2f8130f130b3653a881620a69f31be61e72dce25c10b197af9aaf05e5d2af9f686b50350510bcf05d74fafb48

memory/4068-54-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-56-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-57-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-55-0x00007FF7D9E50000-0x00007FF7D9E60000-memory.dmp

memory/4068-58-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp