Malware Analysis Report

2024-10-24 17:10

Sample ID 240904-1vs61aybnb
Target 39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572
SHA256 39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572
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

39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572

Threat Level: Known bad

The file 39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572 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

Suspicious use of WriteProcessMemory

Checks processor information in registry

Modifies registry class

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 21:58

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 21:58

Reported

2024-09-04 21:59

Platform

win7-20240903-en

Max time kernel

19s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.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

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
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

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\39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.xls

C:\Windows\SysWOW64\rundll32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 statedauto.com udp
US 54.208.224.251:443 statedauto.com tcp
US 34.202.219.172:443 statedauto.com tcp
US 54.208.224.251:443 statedauto.com tcp
US 34.202.219.172:443 statedauto.com tcp

Files

memory/2104-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2104-1-0x00000000721ED000-0x00000000721F8000-memory.dmp

memory/2104-2-0x00000000721ED000-0x00000000721F8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 21:58

Reported

2024-09-04 21:59

Platform

win10v2004-20240802-en

Max time kernel

60s

Max time network

36s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.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-1-5-21-786284298-625481688-3210388970-1000_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 3736 wrote to memory of 1140 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 3736 wrote to memory of 1140 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 3932 wrote to memory of 4800 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe
PID 3932 wrote to memory of 4800 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\39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\qdeDxo.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\qdeDxo.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 statedauto.com udp
US 34.202.219.172:443 statedauto.com tcp
US 54.208.224.251:443 statedauto.com tcp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp

Files

memory/3736-1-0x00007FFCE87AD000-0x00007FFCE87AE000-memory.dmp

memory/3736-3-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

memory/3736-0-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

memory/3736-2-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

memory/3736-4-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

memory/3736-6-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

memory/3736-5-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-9-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-10-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-8-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-7-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-12-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-11-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-13-0x00007FFCA5E30000-0x00007FFCA5E40000-memory.dmp

memory/3736-14-0x00007FFCA5E30000-0x00007FFCA5E40000-memory.dmp

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

MD5 e64db1480dbe3731df10bc880e8fb802
SHA1 00d2736ee984707cc7c3086aca325bf8e2c49d2e
SHA256 2562f21d2323ff1c6c6749aaef8bb7fc536e0acfd7b9fae92b24447e1d7c8311
SHA512 76064a665802d9a3d1749784050ca1254936897e51e710004f722ab373d50a5d99d059b4784a3a8cef266ee51ee895afc520ab16670535102273e90ca65fe1b4

memory/3736-26-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-27-0x00007FFCE87AD000-0x00007FFCE87AE000-memory.dmp

memory/3736-28-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

memory/3736-29-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp