Malware Analysis Report

2025-01-22 16:05

Sample ID 241103-1wd4gayjhq
Target 8db1c8337a198236dbc1f471ccf078e7_JaffaCakes118
SHA256 f2d8dc2141339f56df04740cfd418f0c7fc550c560ab3810f1cb90353b4e8e42
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

f2d8dc2141339f56df04740cfd418f0c7fc550c560ab3810f1cb90353b4e8e42

Threat Level: Known bad

The file 8db1c8337a198236dbc1f471ccf078e7_JaffaCakes118 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

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-03 21:59

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 21:59

Reported

2024-11-03 22:53

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8db1c8337a198236dbc1f471ccf078e7_JaffaCakes118.xlsm

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\mshta.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\8db1c8337a198236dbc1f471ccf078e7_JaffaCakes118.xlsm

C:\Windows\SysWOW64\mshta.exe

mshta C:\ProgramData\TdvsK.sct

Network

Country Destination Domain Proto
US 8.8.8.8:53 murano.com.py udp
US 108.167.140.149:443 murano.com.py tcp
US 108.167.140.149:443 murano.com.py tcp
US 108.167.140.149:443 murano.com.py tcp
US 108.167.140.149:443 murano.com.py tcp

Files

memory/2128-1-0x000000007213D000-0x0000000072148000-memory.dmp

memory/2128-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\ProgramData\TdvsK.sct

MD5 9801235c27f2592e620e52d284915f18
SHA1 d4994e8385156ae8eedeeaf056f9447658490b6c
SHA256 94c29085863fc4770337b18e4cb9ab9b7b239ca768d138656710b98486e0c7d9
SHA512 b99316bbee1a81d44669f02c827eea22b7af9b34f90c540f185dd3da60e40b74ce23a401b2f4ca64d12c5d219a2544a10ec3c602318a8a3f46bb7128edb6ced7

memory/2128-8-0x000000007213D000-0x0000000072148000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 21:59

Reported

2024-11-03 23:01

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

148s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8db1c8337a198236dbc1f471ccf078e7_JaffaCakes118.xlsm"

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\mshta.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\mshta.exe N/A
N/A N/A C:\Windows\SYSTEM32\mshta.exe N/A
N/A N/A C:\Windows\SYSTEM32\mshta.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

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 3280 wrote to memory of 4760 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\mshta.exe
PID 3280 wrote to memory of 4760 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\mshta.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\8db1c8337a198236dbc1f471ccf078e7_JaffaCakes118.xlsm"

C:\Windows\SYSTEM32\mshta.exe

mshta C:\ProgramData\TdvsK.sct

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 34.242.123.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 murano.com.py udp
US 108.167.140.149:443 murano.com.py 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 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.140.167.108.in-addr.arpa udp
US 8.8.8.8:53 125.21.192.23.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp
US 8.8.8.8:53 nebulartss.com udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3280-0-0x00007FFE88430000-0x00007FFE88440000-memory.dmp

memory/3280-2-0x00007FFE88430000-0x00007FFE88440000-memory.dmp

memory/3280-1-0x00007FFE88430000-0x00007FFE88440000-memory.dmp

memory/3280-3-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-4-0x00007FFE88430000-0x00007FFE88440000-memory.dmp

memory/3280-5-0x00007FFE88430000-0x00007FFE88440000-memory.dmp

memory/3280-6-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-7-0x00007FFE85EA0000-0x00007FFE85EB0000-memory.dmp

memory/3280-8-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-10-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-12-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-11-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-9-0x00007FFE85EA0000-0x00007FFE85EB0000-memory.dmp

memory/3280-13-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-15-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-14-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-18-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-17-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-16-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

C:\ProgramData\TdvsK.sct

MD5 9801235c27f2592e620e52d284915f18
SHA1 d4994e8385156ae8eedeeaf056f9447658490b6c
SHA256 94c29085863fc4770337b18e4cb9ab9b7b239ca768d138656710b98486e0c7d9
SHA512 b99316bbee1a81d44669f02c827eea22b7af9b34f90c540f185dd3da60e40b74ce23a401b2f4ca64d12c5d219a2544a10ec3c602318a8a3f46bb7128edb6ced7

memory/3280-37-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

memory/3280-38-0x00007FFEC6530000-0x00007FFEC6885000-memory.dmp

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

MD5 86d15585d21cc7252465f30bd35bdf95
SHA1 dcb200a3e6ebe0213adef9337c77bb85b44df350
SHA256 cfdeb16be80826eefea9354afb161f46858b0b077d1aba710fe35f1b9fd1a9dd
SHA512 fd096174758a78558d21b789e7e562f6931c02ce116e6dd814125639dac12de9430f8389078880db7d0a2932aee10aac9496f7171ef6e0040c02939456b8c93a