Malware Analysis Report

2024-10-24 17:09

Sample ID 240907-wny2fswhrr
Target d288b202843f8a0778e99eb62a0110cf_JaffaCakes118
SHA256 d10890283b9504c4ec3a38952fe067d709905a8299ca47225fb8612158c0b76b
Tags
macro xlm discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d10890283b9504c4ec3a38952fe067d709905a8299ca47225fb8612158c0b76b

Threat Level: Known bad

The file d288b202843f8a0778e99eb62a0110cf_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

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-07 18:04

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 18:04

Reported

2024-09-07 18:07

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d288b202843f8a0778e99eb62a0110cf_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\SYSTEM32\rundll32.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

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 WriteProcessMemory

Description Indicator Process Target
PID 2236 wrote to memory of 1312 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\rundll32.exe
PID 2236 wrote to memory of 1312 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\rundll32.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\d288b202843f8a0778e99eb62a0110cf_JaffaCakes118.xls"

C:\Windows\SYSTEM32\rundll32.exe

rundll32 ..\BASE.BABAA,DllRegisterServer

Network

Country Destination Domain Proto
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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 7.242.123.52.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.chipmania.it udp
IT 86.107.32.163:80 www.chipmania.it tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 163.32.107.86.in-addr.arpa udp
US 8.8.8.8:53 8.167.79.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2236-1-0x00007FFB6FE6D000-0x00007FFB6FE6E000-memory.dmp

memory/2236-0-0x00007FFB2FE50000-0x00007FFB2FE60000-memory.dmp

memory/2236-3-0x00007FFB2FE50000-0x00007FFB2FE60000-memory.dmp

memory/2236-4-0x00007FFB2FE50000-0x00007FFB2FE60000-memory.dmp

memory/2236-2-0x00007FFB2FE50000-0x00007FFB2FE60000-memory.dmp

memory/2236-5-0x00007FFB2FE50000-0x00007FFB2FE60000-memory.dmp

memory/2236-9-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-10-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-11-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-8-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-12-0x00007FFB2D540000-0x00007FFB2D550000-memory.dmp

memory/2236-7-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-6-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-15-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-16-0x00007FFB2D540000-0x00007FFB2D550000-memory.dmp

memory/2236-14-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-18-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-19-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-17-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-13-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-29-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-30-0x00007FFB6FE6D000-0x00007FFB6FE6E000-memory.dmp

memory/2236-31-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

memory/2236-32-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 054b7f6d66b8b9650efd748e7946addf
SHA1 a620ff28a335a7055a33cee95cd80f2ac45f62a2
SHA256 e5c56ada2447cb37b6baabc4aa0a15cd23a9af210ec76b78c2cffb74cee8741c
SHA512 6d1d8679171fe2b059c390e9d5dca78d751bcb61abbd490ce5ee81f520285bbf121470b4b78b4c9d1f81406750fdfa63564a4aee6b5fa346f6cdd189aa0c0a5b

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-07 18:04

Reported

2024-09-07 18:07

Platform

win7-20240903-en

Max time kernel

144s

Max time network

141s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d288b202843f8a0778e99eb62a0110cf_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\d288b202843f8a0778e99eb62a0110cf_JaffaCakes118.xls

C:\Windows\SysWOW64\rundll32.exe

rundll32 ..\BASE.BABAA,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.chipmania.it udp
IT 86.107.32.163:80 www.chipmania.it tcp

Files

memory/2700-1-0x000000007281D000-0x0000000072828000-memory.dmp

memory/2700-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2700-2-0x000000007281D000-0x0000000072828000-memory.dmp