Analysis
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max time kernel
149s -
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
13-11-2024 02:22
Static task
static1
Behavioral task
behavioral1
Sample
4dc101b0b6fe54eb411577729f39253ad9a33cad9f0eca212ea4f3d786881ba4.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4dc101b0b6fe54eb411577729f39253ad9a33cad9f0eca212ea4f3d786881ba4.xls
Resource
win10v2004-20241007-en
General
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Target
4dc101b0b6fe54eb411577729f39253ad9a33cad9f0eca212ea4f3d786881ba4.xls
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Size
1.1MB
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MD5
ed563d0a74e380ec4185bd7406ac7ad6
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SHA1
f44be550f6583585b09ce1a2da0c5765133f5721
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SHA256
4dc101b0b6fe54eb411577729f39253ad9a33cad9f0eca212ea4f3d786881ba4
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SHA512
91e0ce63c3af98a777b3f5a949c4ab78376a10ce2ac3ba8bf0ac576b0cc08af3b8b81f72a9174f9c4c3e42b7df3390040d91a16507657a98dffd38923127caf8
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SSDEEP
24576:aq9PLiijE2Z5Z2am8ogshXCdQtF84LJQods3XpF+NmJfBSc6LYG:aEPLiij7Z5ZK87sAsFjLJQodS+pY
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 4336 4540 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 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
Processes:
EXCEL.EXEpid Process 4540 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid Process 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 4540 wrote to memory of 4336 4540 EXCEL.EXE 88 PID 4540 wrote to memory of 4336 4540 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\4dc101b0b6fe54eb411577729f39253ad9a33cad9f0eca212ea4f3d786881ba4.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4336
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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
MD56e718036cf14ba93c97397e55f4b36df
SHA1678980f6fc680782b3add2b9d3ed8308392a4863
SHA256e29eace8f18e70b626430a2fd436b9c22d919142ca6fa4e2e91c79e9ad050f90
SHA512577bca2f9b6379de2541bfe84f980392a6e2d664c47c0b08c864897bfc10b1e18b2eb98241469189d48d9ef8f6748a1be538a538f7861fc62b6d70ecad174da1