Malware Analysis Report

2025-01-22 16:06

Sample ID 241104-dp3f6a1nbz
Target 8edad5ba6901c7953229753e56f458fb_JaffaCakes118
SHA256 ea682315bd046be806b1cba6217c2423cf6cecf0f77572ecf9b1d25e7005941e
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

ea682315bd046be806b1cba6217c2423cf6cecf0f77572ecf9b1d25e7005941e

Threat Level: Known bad

The file 8edad5ba6901c7953229753e56f458fb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 03:11

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 03:11

Reported

2024-11-04 04:53

Platform

win7-20240903-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8edad5ba6901c7953229753e56f458fb_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\8edad5ba6901c7953229753e56f458fb_JaffaCakes118.xls

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\yFAc0oby.txt,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 skill.fashion udp

Files

memory/1748-1-0x0000000072A9D000-0x0000000072AA8000-memory.dmp

memory/1748-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1748-2-0x0000000072A9D000-0x0000000072AA8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 03:11

Reported

2024-11-04 04:46

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8edad5ba6901c7953229753e56f458fb_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

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-1-5-21-3227495264-2217614367-4027411560-1000_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 2628 wrote to memory of 1916 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 2628 wrote to memory of 1916 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\explorer.exe
PID 3212 wrote to memory of 2884 N/A C:\Windows\explorer.exe C:\Windows\System32\WScript.exe
PID 3212 wrote to memory of 2884 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\8edad5ba6901c7953229753e56f458fb_JaffaCakes118.xls"

C:\Windows\explorer.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.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 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 skill.fashion udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2628-2-0x00007FFD93990000-0x00007FFD939A0000-memory.dmp

memory/2628-3-0x00007FFDD39AD000-0x00007FFDD39AE000-memory.dmp

memory/2628-0-0x00007FFD93990000-0x00007FFD939A0000-memory.dmp

memory/2628-4-0x00007FFD93990000-0x00007FFD939A0000-memory.dmp

memory/2628-1-0x00007FFD93990000-0x00007FFD939A0000-memory.dmp

memory/2628-5-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-6-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-7-0x00007FFD93990000-0x00007FFD939A0000-memory.dmp

memory/2628-8-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-9-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-10-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-12-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-11-0x00007FFD91700000-0x00007FFD91710000-memory.dmp

memory/2628-16-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-17-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-15-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-14-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-13-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

memory/2628-18-0x00007FFD91700000-0x00007FFD91710000-memory.dmp

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

MD5 35d9ebda2d2c8006ebc1d3c77535f93b
SHA1 46cfc7909f2cb0c058adbc3457b10a03edc8df6c
SHA256 1761bc7bb3d4ca8f8407615267dff020f4e534b867499587b4692c883283296c
SHA512 67707d9f5147ec884d23c2ff056dd42dc436e97e9d0845825f5c36b474036921445a0706d9099b8fcd191866b010d9649daae3d00adf360bb4cbf1fea6d72f9b

memory/2628-30-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp