Analysis
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max time kernel
143s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 02:23
Static task
static1
Behavioral task
behavioral1
Sample
544e3a275c258b90d8cda8be36b057e75451b4901d4663082db9f97419cd5a4a.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
544e3a275c258b90d8cda8be36b057e75451b4901d4663082db9f97419cd5a4a.xls
Resource
win10v2004-20241007-en
General
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Target
544e3a275c258b90d8cda8be36b057e75451b4901d4663082db9f97419cd5a4a.xls
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Size
1.1MB
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MD5
f8136a20dbec93a03aaebaf7d36ff199
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SHA1
be5e9c920b7e3c61b0b7779c6de6bc28d9aab2d3
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SHA256
544e3a275c258b90d8cda8be36b057e75451b4901d4663082db9f97419cd5a4a
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SHA512
f2d85f7ddcda4704ca2b057f94386772f4951b0e9b7fe015d9ee39d017267007080dc1f95857182045438f7fc7dac16098e6710611f3c409921b186c3200446c
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SSDEEP
24576:aq9PLiijE2Z5Z2am82/gY/tMJE8F84LJQodsG4HD+zBVc:aEPLiij7Z5ZK8Qg8tMpFjLJQod94SP
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 4876 452 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 452 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid Process 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE 452 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 452 wrote to memory of 4876 452 EXCEL.EXE 91 PID 452 wrote to memory of 4876 452 EXCEL.EXE 91 -
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\544e3a275c258b90d8cda8be36b057e75451b4901d4663082db9f97419cd5a4a.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4876
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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
MD536cf0c181a83f35cc8de25be34cfa3ad
SHA13e1110bf9c7b54e24f5205f2da9314361cb9e938
SHA25617aae8ffe8556b87667416ad546b20890111943c4a00326cfd3d5ff472feae36
SHA5123a42d88643a9eca7e5bf732e089172905df153ae4f8f92bbbc883a484376091244893bd643344a436519f63db75332ee0144efd16d3d79c9d51767f5f03515dc