Analysis
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max time kernel
141s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14-10-2023 08:58
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.20b5e22a6955b71534fa6b3b0f4b565edc129398be7b021797ab6e97a03b55dcxls_JC.xls
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.20b5e22a6955b71534fa6b3b0f4b565edc129398be7b021797ab6e97a03b55dcxls_JC.xls
Resource
win10v2004-20230915-en
General
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Target
NEAS.20b5e22a6955b71534fa6b3b0f4b565edc129398be7b021797ab6e97a03b55dcxls_JC.xls
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Size
1.1MB
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MD5
598d71289f14f049c7c41acd0063322d
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SHA1
842bb20d1671d0848cd3a56de52177e48e65efd0
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SHA256
20b5e22a6955b71534fa6b3b0f4b565edc129398be7b021797ab6e97a03b55dc
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SHA512
5641a785b36187f53c6b12b1f5437d5f308fea35d942d72a90b37819f713e1aa22004bfd50eff50ec1cecff6bd5e9380ff3e3b53a1a07f57c83f1ba948be0472
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SSDEEP
24576:tWQmmav30xHZyuw6VC3bV3SrZypw6Ve3bVGLC2nQsoPE0fj+nowLZ:MQmmQ303K6VC3bVAd6Ve3bVWQzPtj+oY
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 3908 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3908 EXCEL.EXE 3908 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE 3908 EXCEL.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\NEAS.20b5e22a6955b71534fa6b3b0f4b565edc129398be7b021797ab6e97a03b55dcxls_JC.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3908
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5a01b9617553432807b9b58025b338d97
SHA1439bdcc450408b9735b2428c2d53d2e6977fa58c
SHA2567a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce
SHA512312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee