Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-10-2024 03:57
Static task
static1
Behavioral task
behavioral1
Sample
dc8cc8622001466d8dd715db5cfd1c7e930f1c201fd1a37106f5191ae68a33e1.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dc8cc8622001466d8dd715db5cfd1c7e930f1c201fd1a37106f5191ae68a33e1.xls
Resource
win10v2004-20241007-en
General
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Target
dc8cc8622001466d8dd715db5cfd1c7e930f1c201fd1a37106f5191ae68a33e1.xls
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Size
476KB
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MD5
4cbbf7815ee93202eb78ae0815ce9c2b
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SHA1
093f0bbc7422766b465332e1c8f608422e702329
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SHA256
dc8cc8622001466d8dd715db5cfd1c7e930f1c201fd1a37106f5191ae68a33e1
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SHA512
790781e0a6dc840634f36fe5ef9863a1a0e31b471183968f401e757d2ad2d8010224abb98111a7e3d44f4d6d063b455c3f91edcdde34a364c52afa03ce3cca15
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SSDEEP
12288:skef66BBGRUdbU6jVzs6dDuipHJ30VQdB:G66iRU5U6jpdDtHt0aB
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 4684 1124 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 1124 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE 1124 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1124 wrote to memory of 4684 1124 EXCEL.EXE 87 PID 1124 wrote to memory of 4684 1124 EXCEL.EXE 87 -
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\dc8cc8622001466d8dd715db5cfd1c7e930f1c201fd1a37106f5191ae68a33e1.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4684
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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
MD5c386a4aeddf5542940414e51d5ece19b
SHA17aa4d73f562babd3a961a96d85c91b665f8201a0
SHA256ae7ea7dda9e19012cfc58ff846522a03f13ea9c56a0761809ae09f4c850430f7
SHA5122b88a5f1c67bfbe34c4aa16488eef91555be4274b4c5c70641be9b2b424d1483922beeea4040154ddd3452147de6928ef04063a03798a5d0442319adc2e92144