Analysis
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max time kernel
169s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 23:11
Static task
static1
Behavioral task
behavioral1
Sample
50431a2ac7d1684ee85ef7ce9752a0cf75d44cb7d6b7c54fef45c2111c324999.xlsm
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
50431a2ac7d1684ee85ef7ce9752a0cf75d44cb7d6b7c54fef45c2111c324999.xlsm
Resource
win10v2004-20240226-en
General
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Target
50431a2ac7d1684ee85ef7ce9752a0cf75d44cb7d6b7c54fef45c2111c324999.xlsm
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Size
2.1MB
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MD5
e3328fac74c968eb426fb6228fed82c1
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SHA1
8780e1f27599383de38f23cccc475eb99eedd9fb
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SHA256
50431a2ac7d1684ee85ef7ce9752a0cf75d44cb7d6b7c54fef45c2111c324999
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SHA512
31627a00fd15ef64276455a61b46106d6732f3ad70e0ce21617018d17dd5a3ff83fdef027062a63b30d2be46c3b90f5886265686afd3fa43b2569144e73f704b
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SSDEEP
24576:6h8YKCuBoy9DW+N67J56npyknyQfxyRcm6v6zPaQTcso2bqV+PE2nfkbZUXdtUi:I8j5BoN7enwQJyPPm22Y5dtUi
Malware Config
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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1320 2916 rundll32.exe 86 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation rundll32.exe -
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 -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\User Profile rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International rundll32.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2916 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2916 EXCEL.EXE 2916 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2916 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2916 EXCEL.EXE 2916 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 18 IoCs
pid Process 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE 2916 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2916 wrote to memory of 3608 2916 EXCEL.EXE 91 PID 2916 wrote to memory of 3608 2916 EXCEL.EXE 91 PID 2916 wrote to memory of 1320 2916 EXCEL.EXE 102 PID 2916 wrote to memory of 1320 2916 EXCEL.EXE 102
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\50431a2ac7d1684ee85ef7ce9752a0cf75d44cb7d6b7c54fef45c2111c324999.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3608
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C:\Windows\SYSTEM32\rundll32.exerundll32.exe shell32.dll,Control_RunDLL intl.cpl,,02⤵
- Process spawned unexpected child process
- Checks computer location settings
- Modifies Control Panel
PID:1320
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1208