Analysis
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max time kernel
192s -
max time network
203s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 19:33
Static task
static1
Behavioral task
behavioral1
Sample
b2b34e7cc5a28d14d887a7d424e3c21672ff68a34d32b1c9faeb7cf544129ef2.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b2b34e7cc5a28d14d887a7d424e3c21672ff68a34d32b1c9faeb7cf544129ef2.xls
Resource
win10v2004-20221111-en
General
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Target
b2b34e7cc5a28d14d887a7d424e3c21672ff68a34d32b1c9faeb7cf544129ef2.xls
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Size
44KB
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MD5
390624455c7e25477f9553011f39796c
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SHA1
65b2763029a4249e591db03d5d1bec0187aba4b8
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SHA256
b2b34e7cc5a28d14d887a7d424e3c21672ff68a34d32b1c9faeb7cf544129ef2
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SHA512
5876c10bae24d6df03c2c0d268a1a6e915f9de418ba8c369c5a8b8370b66b4b574217a91d16a86a6ee3aacfc53a143c95a040130e796ef8be274852a2d7b81f3
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SSDEEP
768:+hR1vT2E3whCjd5kpWzQFi/2XU9FE1q4KMY:+hRHd5kpWzQFi/2XU9FE1q4KD
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.
Processes:
EXCEL.EXEdescription ioc process 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 3920 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
EXCEL.EXEpid process 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE
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\b2b34e7cc5a28d14d887a7d424e3c21672ff68a34d32b1c9faeb7cf544129ef2.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3920
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3920-132-0x00007FF885A70000-0x00007FF885A80000-memory.dmpFilesize
64KB
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memory/3920-133-0x00007FF885A70000-0x00007FF885A80000-memory.dmpFilesize
64KB
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memory/3920-134-0x00007FF885A70000-0x00007FF885A80000-memory.dmpFilesize
64KB
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memory/3920-135-0x00007FF885A70000-0x00007FF885A80000-memory.dmpFilesize
64KB
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memory/3920-136-0x00007FF885A70000-0x00007FF885A80000-memory.dmpFilesize
64KB
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memory/3920-137-0x00007FF8838B0000-0x00007FF8838C0000-memory.dmpFilesize
64KB
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memory/3920-138-0x00007FF8838B0000-0x00007FF8838C0000-memory.dmpFilesize
64KB