Analysis
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max time kernel
144s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-10-2024 02:36
Static task
static1
Behavioral task
behavioral1
Sample
c03299410145508191967d0544203e1aed4fc9886b7b11d6d4f05500d002a786.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c03299410145508191967d0544203e1aed4fc9886b7b11d6d4f05500d002a786.xls
Resource
win10v2004-20241007-en
General
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Target
c03299410145508191967d0544203e1aed4fc9886b7b11d6d4f05500d002a786.xls
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Size
1.0MB
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MD5
e7b0128fdc780e228be72adbed8765c4
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SHA1
4a7456b2d6422c33f8f7aafa302cd43c8d2d5033
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SHA256
c03299410145508191967d0544203e1aed4fc9886b7b11d6d4f05500d002a786
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SHA512
da2da848812a40e02e547f6c047baa345492839ac322965721c1988ba862ae3535edb1f9928359db9d64df4eacfd0bcf4e412eaa762cb88e712f2d8b5a56f5b8
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SSDEEP
12288:nmzHJEyfN1Y1uBPj39wZE8D3DERnLRmF8D6IHf8wh9HN8zFykCGrqD:uhfg14318bARM8FH/hX85yhz
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 3524 4984 mshta.exe 83 -
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 4984 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE 4984 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4984 wrote to memory of 3524 4984 EXCEL.EXE 90 PID 4984 wrote to memory of 3524 4984 EXCEL.EXE 90 -
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\c03299410145508191967d0544203e1aed4fc9886b7b11d6d4f05500d002a786.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:3524
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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
Filesize667B
MD5e3f18188b06e1449ebe50d930a0dd98c
SHA1ccbf6a849bb20beb3ef7ff9abf313db80d247369
SHA256d77116f4ef8471ae30e6e5b26b80c4e2a1d9ed50994d74e34a38131af93122bd
SHA512ee7d3d3c980fab0cb6f9ff46fd2973291ffd07a2f159b1763a71ca1a87a6c3ce240258cf5488af9870d53dd60e3622328336ec864b9ff239f345d7dd37830c14