Malware Analysis Report

2024-10-24 17:10

Sample ID 240906-g23t8s1amk
Target cede243ccb2a1fb81284aa31eb65f126_JaffaCakes118
SHA256 31caa6f66af8581cd7592d9b0e847127bfb2d28575b188ed178b36c3a7435693
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

31caa6f66af8581cd7592d9b0e847127bfb2d28575b188ed178b36c3a7435693

Threat Level: Known bad

The file cede243ccb2a1fb81284aa31eb65f126_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

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 06:18

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-06 06:18

Reported

2024-09-06 06:21

Platform

win7-20240903-en

Max time kernel

144s

Max time network

140s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\cede243ccb2a1fb81284aa31eb65f126_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\cede243ccb2a1fb81284aa31eb65f126_JaffaCakes118.xls

C:\Windows\SysWOW64\rundll32.exe

rundll32 ..\NDks.freas,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 artifkt.com udp
US 99.83.190.102:80 artifkt.com tcp
US 99.83.190.102:443 artifkt.com tcp
US 99.83.190.102:443 artifkt.com tcp
US 99.83.190.102:443 artifkt.com tcp
US 99.83.190.102:443 artifkt.com tcp

Files

memory/2424-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2424-1-0x000000007253D000-0x0000000072548000-memory.dmp

memory/2424-3-0x000000007253D000-0x0000000072548000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 06:18

Reported

2024-09-06 06:19

Platform

win10v2004-20240802-en

Max time kernel

31s

Max time network

42s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cede243ccb2a1fb81284aa31eb65f126_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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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 1824 wrote to memory of 1332 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\rundll32.exe
PID 1824 wrote to memory of 1332 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\cede243ccb2a1fb81284aa31eb65f126_JaffaCakes118.xls"

C:\Windows\SYSTEM32\rundll32.exe

rundll32 ..\NDks.freas,DllRegisterServer

Network

Country Destination Domain Proto
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 artifkt.com udp
US 99.83.190.102:80 artifkt.com tcp
US 99.83.190.102:443 artifkt.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.18.190.73:80 r10.o.lencr.org tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 102.190.83.99.in-addr.arpa udp
US 8.8.8.8:53 61.45.26.184.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.artifkt.com udp
IE 34.249.200.254:443 www.artifkt.com tcp
US 8.8.8.8:53 254.200.249.34.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp

Files

memory/1824-1-0x00007FFADA28D000-0x00007FFADA28E000-memory.dmp

memory/1824-0-0x00007FFA9A270000-0x00007FFA9A280000-memory.dmp

memory/1824-3-0x00007FFA9A270000-0x00007FFA9A280000-memory.dmp

memory/1824-2-0x00007FFA9A270000-0x00007FFA9A280000-memory.dmp

memory/1824-4-0x00007FFA9A270000-0x00007FFA9A280000-memory.dmp

memory/1824-5-0x00007FFA9A270000-0x00007FFA9A280000-memory.dmp

memory/1824-9-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-8-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-11-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-12-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-13-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-16-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-15-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-18-0x00007FFA98090000-0x00007FFA980A0000-memory.dmp

memory/1824-17-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-20-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-21-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-22-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-19-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-14-0x00007FFA98090000-0x00007FFA980A0000-memory.dmp

memory/1824-10-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-7-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-6-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-43-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-44-0x00007FFADA28D000-0x00007FFADA28E000-memory.dmp

memory/1824-45-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

memory/1824-46-0x00007FFADA1F0000-0x00007FFADA3E5000-memory.dmp

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

MD5 5469cc46184166b9150b19d351609fa4
SHA1 347618f96b2899188d3eb6c0269f7f4e4922bfb6
SHA256 8fa1eb9d9db90ef9e1747e75522bc0116fa12b4a4e99a64bc40bd64836d581d2
SHA512 6dfa2fcaddbdf9ac592c6181d0d8b0bcbd39f92b6b0ca22fae31abbb50b593db3740770894d24d391b6aed81d329147ad1ada44844c8ca0d8e2738749336ff00