Analysis
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max time kernel
112s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
27/04/2024, 10:52
Behavioral task
behavioral1
Sample
0316284f836c4cf6d877a6ac1b40d597_JaffaCakes118.doc
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
0316284f836c4cf6d877a6ac1b40d597_JaffaCakes118.doc
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
decrypted.xlam
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
decrypted.xlam
Resource
win10v2004-20240419-en
General
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Target
decrypted.xlam
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Size
422KB
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MD5
92e4669f19f8d8d67f65a91b7cf2dde6
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SHA1
98dd1a47c5af349ecf337de4c1c14f0b9201b757
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SHA256
b6e36bb17d2beae2addeaa9880fbccdc4b431bfccbdd0ab9e5ed5429199d24ea
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SHA512
87470765640051321b7d3ed1c7a5ff043ad898b3a621986fc19ca167f4f430223fe21c7b4d52fb576db2ba0c3ccd745a6e720bba4b72b80abc7727227c8d7037
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SSDEEP
12288:GIxNu39EzsTY1kFKRm41qNx6AB8DNfmEEV0:yizsTYFLcPipf7Q0
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 1276 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 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\decrypted.xlam"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1276