Analysis
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max time kernel
143s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 11:24
Static task
static1
Behavioral task
behavioral1
Sample
TT12822024.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
TT12822024.xls
Resource
win10v2004-20240802-en
General
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Target
TT12822024.xls
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Size
640KB
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MD5
3e23db29ce7cdc215bac52c531aed525
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SHA1
57286b0272df8386254ba0fbe340f0fba2cafbc8
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SHA256
2fc21f78d38708b2fd7d776780305ae303ec4277e41241462d4cf3f94a779d29
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SHA512
0dfe34dcf345a6d501ad6d20758b212f7c13af5181330fcdbad3598a748b155c811438bde78220efd26aa73ffe6273c639fea7d04ed2b7d32f1a58da43195843
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SSDEEP
12288:ECf1SLuA5XvOZWQNb7/Aiy/vyEzrFdIiC1smRaAVpwnzI613rQdq:zMxxvXQ5/ny/v9r4PKqczI6NMd
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3492 3056 mshta.exe 81 -
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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3056 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3056 wrote to memory of 3492 3056 EXCEL.EXE 86 PID 3056 wrote to memory of 3492 3056 EXCEL.EXE 86 -
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\TT12822024.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:3492
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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
MD5b616ad430352b016cd8c8d85963a9dde
SHA14cb7478d7ce02f61f631f620aa23c8eb304fe21f
SHA256a62ac88db2618330f47c7343f038d0021550cd37ff25364e541296932b4a90e4
SHA5126bc2185fa1315935d57f47f576039708833d6a85f56af0c3740bbb3d72fac0bbec29f99e152363eb52128c325bbad4be12400d8c39c613b913c156d77aeeb109