Analysis
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max time kernel
137s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2022 20:24
Static task
static1
Behavioral task
behavioral1
Sample
52c5faae0a0b7e0a25afe6510d699ccdf5c8b27cbd2f2e8e6d9d79cdb5cfaf90.xlsm
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
52c5faae0a0b7e0a25afe6510d699ccdf5c8b27cbd2f2e8e6d9d79cdb5cfaf90.xlsm
Resource
win10v2004-20220812-en
General
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Target
52c5faae0a0b7e0a25afe6510d699ccdf5c8b27cbd2f2e8e6d9d79cdb5cfaf90.xlsm
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Size
124KB
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MD5
f36a5f36f85da7b82b6caa0234882a89
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SHA1
caa4a70137b34395e93cb01c761392e6d34ce813
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SHA256
52c5faae0a0b7e0a25afe6510d699ccdf5c8b27cbd2f2e8e6d9d79cdb5cfaf90
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SHA512
1c7b813bc926533174f5a0b82b2bc4479af2c2739f5cb65ceb353ad37c3a2ae8ebbc299f44d093a29f765b5e23f855c823a79cd0634f7e168636d8f69a979b7a
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SSDEEP
3072:EE1k8B2YWDldNCQV1F1mFiNWoTvfuAg0LbhL0:EZc2Y+lvNV1v0irTv2AfLtw
Malware Config
Signatures
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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 1824 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE 1824 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1824 wrote to memory of 440 1824 EXCEL.EXE 84 PID 1824 wrote to memory of 440 1824 EXCEL.EXE 84
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\52c5faae0a0b7e0a25afe6510d699ccdf5c8b27cbd2f2e8e6d9d79cdb5cfaf90.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:440
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1652