Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2025 10:10
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order sheet.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Purchase Order sheet.xls
Resource
win10v2004-20241007-en
General
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Target
Purchase Order sheet.xls
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Size
1.3MB
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MD5
777464f57cb83a39b7324d1f7505b6d6
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SHA1
25acb95ef77574c20002165e6b68526d7318acd1
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SHA256
9eb3ac05340da70c56dc36e8beece9a7c052c945fc3ceade2c622c4defec54b3
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SHA512
6609bfa04a5ae724eabd2f13c992a255554ae910ce6bcd6d25a62d8e2652d8aa129eae0908e266e3dfa808c19708a0a45c9b2922c531e03b1c2142847dbab8e3
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SSDEEP
24576:pVH9M2HUO8Yfb3B/RvUp9EKDE/XY6lRvmfOdkGRjXv4cGysQYcb06hp8IJh1:LdMj/cb3I6Kg/ooofOdkGRXQcGTlczD
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 2564 4440 mshta.exe 81 -
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 4440 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4440 wrote to memory of 2564 4440 EXCEL.EXE 86 PID 4440 wrote to memory of 2564 4440 EXCEL.EXE 86 -
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\Purchase Order sheet.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2564
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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
MD5ac6afa44dd0a77778258f8d4f1be9e9d
SHA1c374074d137839ce06489b7bf06fbb174e07c7e3
SHA256a6fa128cb6a414840813e44ebe8558bf9217c299321d3d899c573c69b659af2d
SHA512624c13935e33c786a8c4cce69fc16987dd943f021442fe233c1d3f6a4e5e92ed3e9fab81f6a3612a72ed006e3e25f385576ca504ad40b75f9f673159f928178a