Malware Analysis Report

2025-03-15 07:57

Sample ID 240811-g3tb7aybnl
Target 895243f8845295a9b4d9a606a6590f5f_JaffaCakes118
SHA256 d34c85f08a66a49a4d2019567df972f0ca4c9f6b4e0f5de0c7aba58af2aff48a
Tags
macro macro_on_action discovery
score
8/10

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
8/10

SHA256

d34c85f08a66a49a4d2019567df972f0ca4c9f6b4e0f5de0c7aba58af2aff48a

Threat Level: Likely malicious

The file 895243f8845295a9b4d9a606a6590f5f_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Suspicious Office macro

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-11 06:20

Signatures

Office macro that triggers on suspicious action

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

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 06:20

Reported

2024-08-11 06:22

Platform

win7-20240729-en

Max time kernel

144s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\895243f8845295a9b4d9a606a6590f5f_JaffaCakes118.xls

Signatures

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

Office loads VBA resources, possible macro or embedded object present

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

Suspicious use of FindShellTrayWindow

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\895243f8845295a9b4d9a606a6590f5f_JaffaCakes118.xls

Network

N/A

Files

memory/2548-1-0x0000000071E9D000-0x0000000071EA8000-memory.dmp

memory/2548-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2548-3-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-2-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-4-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-5-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-7-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-9-0x0000000000630000-0x0000000000730000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\PERSONAL.XLS

MD5 7ae977ff6bf0c92f8475d544fce73b3b
SHA1 3f2db6603703fd5a7a639a9e4a2a164b7e70e3f0
SHA256 cb4dbd89da8c06424bd6d6d4a304641737ce9b0a765e0da96f336e610e501acb
SHA512 7209734dd56aad494782821667509faae0330ebd1cf9d6b984953c428d0e9aac06ecbf2fc83d86450f560139021ef2bd03b7231853f9bcbdeee53cef5f981fa5

C:\LzO.sys

MD5 1d15b4c7623d4819a63bdd7913348e7d
SHA1 c3a4bede49838b1441b204b97b49acd99643c4ce
SHA256 bcd79ae1f35d5d95ab1c5bb114cefa7484cff9abfdd062662a66eefc5617bf84
SHA512 588d70f9db9ec1cbc0be563f05cfc63f86796992d188797e53f585d2133624e5b39c0769402dd17c01a367c22680c9cf0263990ece70c76926443e63e5c2979e

C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\PERSONAL.XLS

MD5 2b87985965f4ce0751bb3e9a64766e83
SHA1 c361532c8f60c7058be9e43aa90002256b36d925
SHA256 34eb365db2626be47783686338ea9dc8852629781152d46930b2a1a7284bcaa9
SHA512 e130a5a9e9ebcb88af66df3b19d65518427df8d35238cd3242342324a5c3804850ccdd6b0afb37b50d09100f608100a126aa4adb1b02413585fbdadd86e87ea3

memory/2548-50-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-51-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-52-0x0000000071E9D000-0x0000000071EA8000-memory.dmp

memory/2548-53-0x0000000000630000-0x0000000000730000-memory.dmp

memory/2548-54-0x0000000000630000-0x0000000000730000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 06:20

Reported

2024-08-11 06:22

Platform

win10v2004-20240802-en

Max time kernel

139s

Max time network

125s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\895243f8845295a9b4d9a606a6590f5f_JaffaCakes118.xls"

Signatures

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\895243f8845295a9b4d9a606a6590f5f_JaffaCakes118.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 43.229.111.52.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

Files

memory/2580-0-0x00007FF8DD310000-0x00007FF8DD320000-memory.dmp

memory/2580-2-0x00007FF8DD310000-0x00007FF8DD320000-memory.dmp

memory/2580-1-0x00007FF8DD310000-0x00007FF8DD320000-memory.dmp

memory/2580-3-0x00007FF8DD310000-0x00007FF8DD320000-memory.dmp

memory/2580-4-0x00007FF8DD310000-0x00007FF8DD320000-memory.dmp

memory/2580-5-0x00007FF91D32D000-0x00007FF91D32E000-memory.dmp

memory/2580-8-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-7-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-6-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-9-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-11-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-12-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-10-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-13-0x00007FF8DA9B0000-0x00007FF8DA9C0000-memory.dmp

memory/2580-14-0x00007FF8DA9B0000-0x00007FF8DA9C0000-memory.dmp

memory/2580-17-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-18-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-20-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-19-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-16-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-15-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-52-0x00007FF91D290000-0x00007FF91D485000-memory.dmp

memory/2580-51-0x00007FF91D290000-0x00007FF91D485000-memory.dmp