Analysis
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max time kernel
148s -
max time network
151s -
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 17:47
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.
Processes:
mshta.exedescription pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2512 4900 mshta.exe 82 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid Process 4900 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid Process 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE 4900 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 4900 wrote to memory of 2512 4900 EXCEL.EXE 88 PID 4900 wrote to memory of 2512 4900 EXCEL.EXE 88 -
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:4900 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2512
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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
Filesize2KB
MD553f5cc349c48d618cb6f424053c93e2f
SHA11bc41fd2c400f577eb582137b518a3e7d5974a90
SHA256930dabe78b62d9f5349ec459392e91c536ae8c001958a68548c6123325ec954a
SHA5128c143bf58bb9185fec0403639f0dfa93bb22b0bcbdc5b26b8222f1961ffe602516ef2ff3251f91f4e4969ef7ff06b3efe860e559b463ed02ca3348873bde2bbf