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Analysis
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max time kernel
143s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2024, 03:04
Static task
static1
Behavioral task
behavioral1
Sample
b0cd17647fc69ec21565ca141e88795eaf36084fb4d179198e988ab449d46483.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b0cd17647fc69ec21565ca141e88795eaf36084fb4d179198e988ab449d46483.xls
Resource
win10v2004-20241007-en
General
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Target
b0cd17647fc69ec21565ca141e88795eaf36084fb4d179198e988ab449d46483.xls
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Size
645KB
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MD5
a9a9c2318ac29160ece850c60e6b7aa6
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SHA1
67701eb4f6813927c5262edf55d9943146f521a2
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SHA256
b0cd17647fc69ec21565ca141e88795eaf36084fb4d179198e988ab449d46483
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SHA512
c5db07d40516e468835e827fbf9643a442c4ebbd0c2941c97f4d00010fbe66b032be8a1fcdf568515f727810a7d7f0bf0c2707ac40a20c55616fb72c85166c1c
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SSDEEP
12288:UbWNHd0zBRlrOiVNYNPPg1O+R8G7kN/eTXjWxMyPg+8FlX0iv6p:8sd4rrV6NP41ttkN2TQXbEb
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 2028 528 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 528 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE 528 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 528 wrote to memory of 2028 528 EXCEL.EXE 88 PID 528 wrote to memory of 2028 528 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\b0cd17647fc69ec21565ca141e88795eaf36084fb4d179198e988ab449d46483.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2028
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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
MD5800600b2d1ef65035ec0f637bd8dd2ae
SHA105aa88f92ced86a647b198fe062014c1834ca602
SHA25653860b03d1724a8999962396ed07392e0007febcc05792c013f4a3e5be9bfe2d
SHA512c58863e306a05f2d1f61501961ad00ed0f7aee44e1683ee6c23016b594558aaf88a00acbfcbb6b75081f5ffef8b0edf5142ae476dea983a58e6abb9fcec658ca