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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26/07/2024, 11:16
Static task
static1
Behavioral task
behavioral1
Sample
73d1b9dd9258688df62e79abdec6ed63_JaffaCakes118.doc
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
73d1b9dd9258688df62e79abdec6ed63_JaffaCakes118.doc
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20240709-en
General
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Target
decrypted.xlsx
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Size
2.1MB
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MD5
d7db24c2154a677d7af838b400103e42
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SHA1
881de408a0890fe820c7fbcbaf56de963fdbc961
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SHA256
8f8edb49d670f0cdb1d2170f96f1c39183c939b785844d0941ae91deda5cee28
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SHA512
16c33a2102e1d5b62094227000b191edf87f9d4a2072505fababc81be346587b930c5b89a4898eb25150be9de51bdb3b10b07dbe0eca19d2a5c2b27acb8c4968
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SSDEEP
49152:lGXpCbbtftZGnhsgHOf51Gmi2csgzfrJB6/85hPLer2wQd90SsCd/g44DwSf:0XpCpGhsf51G52cDzfe/iDer2w0Zs4IB
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1260 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 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.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1260
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize3KB
MD5789af591558ed15d7724c3f0fc125ed0
SHA192c7523ca2d9b334984fac51a3df7054cd149afd
SHA256045e7b3d24fb211d646fab1bd416d9cd3fc0708750a2e057240f9b070fc857f6
SHA5126a5da78b18a7843786aed25e52df4689e1c78b686c2b1d71708bf6a0002208e21b27440b691049c19af01fe2ecfff8c57090ba9570f014a1bacb50b00db77a72