Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18/11/2024, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
PO-000041492.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PO-000041492.xls
Resource
win10v2004-20241007-en
General
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Target
PO-000041492.xls
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Size
1.1MB
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MD5
f69d18b27ddddb4274a97434c6a01ae2
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SHA1
79a2cf394e8fe22341922a6490e9d58a87e2f748
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SHA256
555c9fab8b1c2180ec0c140d7ef7a072d3848661e47051b4dda5de40a61465b7
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SHA512
32acd768dc2ec5095216e946f8cd119174ee252d4691d4816f91881a3c5439db68feffe24bc85a16dcdf9caf3d53b82fa89f35b89540148e8c862664c851a77c
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SSDEEP
24576:6uq9PLiijE2Z5Z2amowshXCdQtF84LJQohVsx7ACKg0q9JfCazDVNPCTy2vo:6uEPLiij7Z5ZKowsAsFjLJQohVKEg0qR
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 3888 3964 mshta.exe 82 -
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\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3964 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE 3964 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3964 wrote to memory of 3888 3964 EXCEL.EXE 87 PID 3964 wrote to memory of 3888 3964 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\PO-000041492.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:3888
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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
Filesize4KB
MD5f917523c655cb2da375dc863beb2e439
SHA1ee216f3f4c91065eaba9a87b1423743f87949e97
SHA2567d2fab111c19abf62ec6cd3bea1fec1d32869aff87c445d56ac858e8f8df5a50
SHA512b8d1ab44dbe4883b4c9e9b3086f37b575550f9ca43c9c92306f577467f60276754d4a403138e3650f3bc5277af253be0f8a35812c70a09306e657310c8790460