Analysis
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max time kernel
143s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2024 02:00
Static task
static1
Behavioral task
behavioral1
Sample
fa3a1cb12f4913916856a09b79153c7013cfa7ad13e7be8ce55aea572b172892.xls
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
fa3a1cb12f4913916856a09b79153c7013cfa7ad13e7be8ce55aea572b172892.xls
Resource
win10v2004-20241007-en
General
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Target
fa3a1cb12f4913916856a09b79153c7013cfa7ad13e7be8ce55aea572b172892.xls
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Size
870KB
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MD5
19356d9311743314b3f1e02f6291cc14
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SHA1
84f5772ad3dba3531c46665404aee1968b2715a4
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SHA256
fa3a1cb12f4913916856a09b79153c7013cfa7ad13e7be8ce55aea572b172892
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SHA512
db7b161d3ceb94d942d910681066e3605b0bafaddd445509cf8e9e624d4186c54754642745f67d5f55f31488573d39b4251e20416ff62fba501ca0fa4073415a
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SSDEEP
12288:Y9BjmzHJE+CzldbD3DERnLRmF8DqJhuBM3LVpH+fb8biNxsLC16AbaC:YByczl9bARM8eoM3BpefAbQMC16Ab
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 3900 1808 mshta.exe 85 -
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 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 1808 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE 1808 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1808 wrote to memory of 3900 1808 EXCEL.EXE 89 PID 1808 wrote to memory of 3900 1808 EXCEL.EXE 89 -
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\fa3a1cb12f4913916856a09b79153c7013cfa7ad13e7be8ce55aea572b172892.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:3900
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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
MD51960327ea26c0808db02acca326a43db
SHA10954f8b39c1421d5887c4c5774df7e6ff560d5b2
SHA256f14b72adb15691af9f8850ff20695fb39e184270d8f532d94be748202d7372d9
SHA512ef7ca2780777011d7f74604ab31184ffbe79e72aa6e026974582ee0e7d9c724cf1cc065ac74701310cd423b5f9eefdcd2959544de58abcb61bed0c5a5e93868d