Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2023 17:16
Behavioral task
behavioral1
Sample
fce303eb946d9824a29569a9bfcd2718.xls
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
fce303eb946d9824a29569a9bfcd2718.xls
Resource
win10v2004-20231215-en
General
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Target
fce303eb946d9824a29569a9bfcd2718.xls
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Size
35KB
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MD5
fce303eb946d9824a29569a9bfcd2718
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SHA1
dd473450b5802bf0d9e566ab41a33b8da62e748c
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SHA256
2a84dfadf2d6dd3b7b7bd175dc17704e517f1acc652670a9ae67f34ad0fb6c39
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SHA512
bb24ee7467940f9f5b635ba0da72e46f33f4c47cb11021934cf0df3b369cc32ce7fca89e82e0ffa8c2ba5282792a2346b022e510da99ad2ef19ba44d9ea52389
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SSDEEP
768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJqDhMsmThop+tV:Pok3hbdlylKsgqopeJBWhZFGkE+cL2N8
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 4336 3512 explorer.exe 38 -
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 registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3512 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3512 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3512 EXCEL.EXE 3512 EXCEL.EXE 3512 EXCEL.EXE 3512 EXCEL.EXE 3512 EXCEL.EXE 3512 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3512 wrote to memory of 4336 3512 EXCEL.EXE 95 PID 3512 wrote to memory of 4336 3512 EXCEL.EXE 95 PID 3376 wrote to memory of 1828 3376 explorer.exe 97 PID 3376 wrote to memory of 1828 3376 explorer.exe 97
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\fce303eb946d9824a29569a9bfcd2718.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:3512 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\D1Te.vbs2⤵
- Process spawned unexpected child process
PID:4336
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\D1Te.vbs"2⤵PID:1828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
596B
MD5c83dfc9aca6b6522e5e21c9837ab69fa
SHA1e83b2fa39ee659f7684a97f97857cdda09dab9f8
SHA256574da411749a1b63d8f65edfa5683df891b05469e9f298dc6f0c676adac9e0ea
SHA512ec31f8ddfcd9c858b5ac0e1ca83eb39c946fcdcfc8e2db54b7a92593f9bc0eb90168433726ee922e084c0c8613eac005870c4f158b336f36e19653a2d92a7f56