Analysis
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max time kernel
142s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2024, 07:40
Static task
static1
Behavioral task
behavioral1
Sample
PI-90349003421.xlsx
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PI-90349003421.xlsx
Resource
win10v2004-20241007-en
General
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Target
PI-90349003421.xlsx
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Size
1.5MB
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MD5
9a809e0f1d435948eacdf1f0fb8b8316
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SHA1
aea62b0466c64967303de73085f16f40018cd44e
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SHA256
d52b8e527ad35f54de8e65b0d7c324a9c1afddcd0d09e4d20ea0cb7c8b327394
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SHA512
15630f6cf033f1c1fd43044c96ffe5b36593c56c9abc6d4b77d3c70b76c5ba73a1ecba679986b7e102c18b521067fc351e519102b8e74f4354babff0aac31697
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SSDEEP
24576:uVuRVKY8KpiARLlSRqqCfboz6Ga73J1Tkiv9jnQIesN7Vsj5j8m4beb9I:DRYipb0Rq5f06G8PVv9jnMsNOVomFW
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 1228 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 EXCEL.EXE 1228 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\PI-90349003421.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1228
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
Filesize1KB
MD51c51454ff1470304d590800b793aa3a1
SHA18f1b68b0a0b92bdfc972a6ca5a5979be96a41685
SHA25610175bb0a964672efdd1ac7af11042f1e002ef428f206d466fb14d5ad635ee22
SHA512c62abc9f69e8624acd564c8a76bd683d8f2e9f00ff7775da7ebae059616a6e07dd31b0483634461af4a4662245b4199a876fd182d5e40fae94a90cfa2bf22ae3