Analysis
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max time kernel
130s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:59
Behavioral task
behavioral1
Sample
d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13.xls
Resource
win10-20220812-en
General
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Target
d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13.xls
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Size
91KB
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MD5
6bf62ab931fb4f0a1245d63099e07f81
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SHA1
fedda7cc60f91c1daab6b1da026cdb968ab882ae
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SHA256
d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13
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SHA512
3c527fdf2061284b3ddef331db53098ce3b167714b4c8c84dc9809f3160637cc553d75c36f34fc665de04a7185861c10b449eadc902a817ec1a8e326d909b072
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SSDEEP
1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm
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 4412 3808 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4364 3808 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4332 3808 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4028 3808 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 3808 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3808 EXCEL.EXE 3808 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE 3808 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3808 wrote to memory of 4412 3808 EXCEL.EXE 68 PID 3808 wrote to memory of 4412 3808 EXCEL.EXE 68 PID 3808 wrote to memory of 4364 3808 EXCEL.EXE 69 PID 3808 wrote to memory of 4364 3808 EXCEL.EXE 69 PID 3808 wrote to memory of 4332 3808 EXCEL.EXE 70 PID 3808 wrote to memory of 4332 3808 EXCEL.EXE 70 PID 3808 wrote to memory of 4028 3808 EXCEL.EXE 71 PID 3808 wrote to memory of 4028 3808 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\d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13.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:3808 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4412
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4364
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4332
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4028
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