Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:37
Behavioral task
behavioral1
Sample
8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5.xls
Resource
win10-20220901-en
Behavioral task
behavioral2
Sample
8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5.xls
Resource
win10-20220812-en
General
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Target
8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5.xls
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Size
91KB
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MD5
6b2bb20f488ce6783b4565e9f363396b
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SHA1
d4aac041e2061ac46edefae615a1d5e82e4a3420
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SHA256
8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5
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SHA512
44cd159419d085d307ee3d226a26bb9de1c81c1124f31df7b9063844191672aa5a0054a46c0c374ade9f4fbc1303fd0d925926fa8cd57a354cd06c3d5d2dccf6
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SSDEEP
1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO
Malware Config
Extracted
https://www.conceptagency.net/css/b8eaKN/
https://bencevendeghaz.hu/2zjoi/cwfKJOzA/
http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/
http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/
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 4296 372 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3472 372 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4716 372 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1972 372 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 372 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 372 EXCEL.EXE 372 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE 372 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 372 wrote to memory of 4296 372 EXCEL.EXE 68 PID 372 wrote to memory of 4296 372 EXCEL.EXE 68 PID 372 wrote to memory of 3472 372 EXCEL.EXE 69 PID 372 wrote to memory of 3472 372 EXCEL.EXE 69 PID 372 wrote to memory of 4716 372 EXCEL.EXE 70 PID 372 wrote to memory of 4716 372 EXCEL.EXE 70 PID 372 wrote to memory of 1972 372 EXCEL.EXE 71 PID 372 wrote to memory of 1972 372 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\8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5.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:372 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4296
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
PID:3472
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4716
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1972
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