Analysis
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max time kernel
128s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2022, 16:58
Behavioral task
behavioral1
Sample
e84029f170c30875ebeaedc8768bc843dafbd12e1cedf82503914ea10f20a6c3.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
e84029f170c30875ebeaedc8768bc843dafbd12e1cedf82503914ea10f20a6c3.xls
Resource
win10-20220901-en
General
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Target
e84029f170c30875ebeaedc8768bc843dafbd12e1cedf82503914ea10f20a6c3.xls
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Size
217KB
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MD5
788173d27edd59db2c29320cfb9f751c
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SHA1
25b4cda0bbe461580b67c232591deedd46a71c4f
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SHA256
e84029f170c30875ebeaedc8768bc843dafbd12e1cedf82503914ea10f20a6c3
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SHA512
bd38909f08534651633f9a5e4ff8a8ac690a6c87aaf0376bd4cb5287bd2c6a1387d8285935cccd7373ff42c3490a819fe0cb2939efd5a6c325ba65ef22066a51
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SSDEEP
6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dg8yY+TAQXTHGUMEyP5p6f5jQmd:nbGUMVWlbd
Malware Config
Extracted
http://kabaruntukrakyat.com/wp-content/B9oJ0jh/
http://coinkub.com/wp-content/WwrJvjumS/
https://aberractivity.hu/iqq/Dmtv/
https://anamafegarcia.es/css/HfFXMTXvc40t/
Signatures
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Process spawned unexpected child process 4 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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4820 3764 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4796 3764 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4512 3764 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4364 3764 regsvr32.exe 65 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3764 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3764 EXCEL.EXE 3764 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3764 wrote to memory of 4820 3764 EXCEL.EXE 68 PID 3764 wrote to memory of 4820 3764 EXCEL.EXE 68 PID 3764 wrote to memory of 4796 3764 EXCEL.EXE 69 PID 3764 wrote to memory of 4796 3764 EXCEL.EXE 69 PID 3764 wrote to memory of 4512 3764 EXCEL.EXE 70 PID 3764 wrote to memory of 4512 3764 EXCEL.EXE 70 PID 3764 wrote to memory of 4364 3764 EXCEL.EXE 71 PID 3764 wrote to memory of 4364 3764 EXCEL.EXE 71
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e84029f170c30875ebeaedc8768bc843dafbd12e1cedf82503914ea10f20a6c3.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx2⤵
- Process spawned unexpected child process
PID:4820
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx2⤵
- Process spawned unexpected child process
PID:4796
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx2⤵
- Process spawned unexpected child process
PID:4512
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx2⤵
- Process spawned unexpected child process
PID:4364
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