Malware Analysis Report

2025-01-22 15:47

Sample ID 231226-et34xscbbl
Target 533781649515c2656a73afde0e43a077
SHA256 8f8414b775ac02a2b45ab171071c9b0bf5753d13269ccd32fca242d563328857
Tags
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

8f8414b775ac02a2b45ab171071c9b0bf5753d13269ccd32fca242d563328857

Threat Level: Known bad

The file 533781649515c2656a73afde0e43a077 was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Blocklisted process makes network request

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Checks processor information in registry

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-26 04:14

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 04:14

Reported

2023-12-27 07:33

Platform

win7-20231129-en

Max time kernel

0s

Max time network

119s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\533781649515c2656a73afde0e43a077.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\rundll32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" 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\533781649515c2656a73afde0e43a077.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\FhV.txt,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 statedauto.com udp
US 34.226.105.125:443 statedauto.com tcp
US 3.210.103.7:443 statedauto.com tcp
US 8.8.8.8:53 markens.online udp

Files

memory/2936-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2936-1-0x00000000725AD000-0x00000000725B8000-memory.dmp

memory/2936-2-0x00000000725AD000-0x00000000725B8000-memory.dmp

memory/2936-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2936-4-0x00000000725AD000-0x00000000725B8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 04:14

Reported

2023-12-27 07:33

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

158s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\533781649515c2656a73afde0e43a077.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\explorer.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\WScript.exe N/A
N/A N/A C:\Windows\System32\WScript.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

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000_Classes\Local Settings C:\Windows\explorer.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2964 wrote to memory of 1800 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 2964 wrote to memory of 1800 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 668 wrote to memory of 2904 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe
PID 668 wrote to memory of 2904 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.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\533781649515c2656a73afde0e43a077.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\PQg.vbs

C:\Windows\explorer.exe

C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\PQg.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 22.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 224.162.46.104.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 statedauto.com udp
US 204.79.197.200:443 g.bing.com tcp
US 3.210.103.7:443 statedauto.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 34.226.105.125:443 statedauto.com tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 192.229.221.95:80 tcp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp

Files

memory/2964-1-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-0-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp

memory/2964-2-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp

memory/2964-4-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-3-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp

memory/2964-5-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp

memory/2964-7-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp

memory/2964-6-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-9-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-11-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-12-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-16-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-18-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-19-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-17-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-15-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-14-0x00007FFF56140000-0x00007FFF56150000-memory.dmp

memory/2964-13-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-20-0x00007FFF56140000-0x00007FFF56150000-memory.dmp

memory/2964-10-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-8-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

C:\Users\Public\Documents\PQg.vbs

MD5 e3fb224d9ca76c3290e9fd3a0f5cbc26
SHA1 8acc0a3f7abbb5e1565a55f459041eb4dcbd2292
SHA256 5cd39f4cf2db9e36c340744261cd0018710132ec528e4ee37298dfa814257ff0
SHA512 d52240527dd77091137504187e434138ec665b2e69efdeeb60992425b031c4b6d4270f6c2084a81824209a534ccaac9c234682d662eaeac4f59571b431b6a5d5

memory/2964-32-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-33-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp

memory/2964-34-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp