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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
06/07/2024, 10:50
Static task
static1
Behavioral task
behavioral1
Sample
2846919900ee304d7d0910e96b42e3cb_JaffaCakes118.doc
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2846919900ee304d7d0910e96b42e3cb_JaffaCakes118.doc
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20240704-en
General
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Target
decrypted.xlsx
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Size
2.3MB
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MD5
e39ac9ffc013571b21a70983a1e7f510
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SHA1
245d22d1edd843799b22e0dc8fd7245acad07f5c
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SHA256
59cdb6a527f72edd7c095815cd780343cbb0819e56113e77711f672684df9ece
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SHA512
dac9e12fd493544a3f9b01f7c7eca3590b1bc570f56e10e8c09c4c5676d4e7c948de724a90c8f77d1b68d55f7f081b93b7044c8ac2323425cac8557030943197
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SSDEEP
49152:Hp5I3VVr2aSfiS5LuQRr7s93M7eQlGZ72Eq2WTyd51hwHBj:HS32anEw3aAqh+M
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 4512 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 EXCEL.EXE 4512 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:4512
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
MD585bc24ffe72fb2af155a81928fd74d3e
SHA1cf0640e80d9334fca34fdd7568c365538d8455f2
SHA2566cd447a6408644521187de743a0a1210bc2bbf7caf0560920a8fdcb5d4849f0d
SHA512139f229c7fa5eb53d3b7227bd30397e0113d171b48c9e7d88497c44163ead9c1f21c3919766211d524e0b524616da5a7522b30601dac7622f308438f4eada5b7