Malware Analysis Report

2024-10-24 17:09

Sample ID 240907-s3s7za1bqr
Target d2459205275914feed5feb0af728125e_JaffaCakes118
SHA256 7aafb55fea133ce50f94d627f569b679c5b94db292dbd051351007f6f193f5e1
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

7aafb55fea133ce50f94d627f569b679c5b94db292dbd051351007f6f193f5e1

Threat Level: Known bad

The file d2459205275914feed5feb0af728125e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

Blocklisted process makes network request

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-07 15:39

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-07 15:39

Reported

2024-09-07 15:41

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d2459205275914feed5feb0af728125e_JaffaCakes118.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\d2459205275914feed5feb0af728125e_JaffaCakes118.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\tbJp3YH.txt,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 statedauto.com udp
US 54.227.201.131:443 statedauto.com tcp
US 54.208.224.251:443 statedauto.com tcp
US 54.227.201.131:443 statedauto.com tcp
US 54.208.224.251:443 statedauto.com tcp

Files

memory/1056-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1056-1-0x0000000071E9D000-0x0000000071EA8000-memory.dmp

memory/1056-2-0x0000000071E9D000-0x0000000071EA8000-memory.dmp

memory/1056-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1056-4-0x0000000071E9D000-0x0000000071EA8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 15:39

Reported

2024-09-07 15:41

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

146s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d2459205275914feed5feb0af728125e_JaffaCakes118.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-1-5-21-355097885-2402257403-2971294179-1000_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 4700 wrote to memory of 1532 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 4700 wrote to memory of 1532 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 4824 wrote to memory of 3308 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe
PID 4824 wrote to memory of 3308 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\d2459205275914feed5feb0af728125e_JaffaCakes118.xls"

C:\Windows\explorer.exe

explorer.exe C:\Users\Public\Documents\dv1ofh0.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\dv1ofh0.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.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 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 statedauto.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 54.227.201.131:443 statedauto.com tcp
US 8.8.8.8:53 105.193.132.51.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 54.208.224.251:443 statedauto.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4700-0-0x00007FFD47770000-0x00007FFD47780000-memory.dmp

memory/4700-2-0x00007FFD47770000-0x00007FFD47780000-memory.dmp

memory/4700-4-0x00007FFD47770000-0x00007FFD47780000-memory.dmp

memory/4700-1-0x00007FFD8778D000-0x00007FFD8778E000-memory.dmp

memory/4700-3-0x00007FFD47770000-0x00007FFD47780000-memory.dmp

memory/4700-5-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-6-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-7-0x00007FFD47770000-0x00007FFD47780000-memory.dmp

memory/4700-10-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-12-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-11-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-13-0x00007FFD45230000-0x00007FFD45240000-memory.dmp

memory/4700-15-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-17-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-18-0x00007FFD45230000-0x00007FFD45240000-memory.dmp

memory/4700-16-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-14-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-9-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-8-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

C:\Users\Public\Documents\dv1ofh0.vbs

MD5 72de300c0c83617e7258c81e942234da
SHA1 610709d261e518f67d29dbd8568430c754f61500
SHA256 7542dd3487a896c6e3c1c061a46b6a070ce5e50299719f51ed0e8521914367bd
SHA512 ba6cbb944d31a8c56eaeedb9affd2e8b0d713dada291b1a7100a2fc59c4aed602a7e1fa7743241967351f338b7ba6ce8bb009489b4d0764aa0f13be0f1c7e9fc

memory/4700-30-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-32-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp

memory/4700-31-0x00007FFD8778D000-0x00007FFD8778E000-memory.dmp

memory/4700-33-0x00007FFD876F0000-0x00007FFD878E5000-memory.dmp