Analysis
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max time kernel
144s -
max time network
137s -
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 02:46
Static task
static1
Behavioral task
behavioral1
Sample
aa4a4d125c444cbe602ab60cba31083a31fd60e2c2ce08e55f84468751a82daf.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
aa4a4d125c444cbe602ab60cba31083a31fd60e2c2ce08e55f84468751a82daf.xls
Resource
win10v2004-20241007-en
General
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Target
aa4a4d125c444cbe602ab60cba31083a31fd60e2c2ce08e55f84468751a82daf.xls
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Size
1.1MB
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MD5
8f3c11affc3d0195c96e4d1e4478e29c
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SHA1
daad41a948964394469ac56db60e102515fe938f
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SHA256
aa4a4d125c444cbe602ab60cba31083a31fd60e2c2ce08e55f84468751a82daf
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SHA512
194efa4322ad42523eb4a8bfca941388eb645dde024712cbef2bd106d88407ff6f67ad3e6ddfdc8cbe7e7ba98a3fc6928092920c62d2b326e1bbb3b9784d0fa2
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SSDEEP
24576:Uq9PLiijE2Z5Z2am8VcYjgxPF84LJQodsJU1BnBsk7LRXA2r:UEPLiij7Z5ZK8VcYMpFjLJQodH1BXPR9
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 856 3092 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 3092 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid Process 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE 3092 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid Process procid_target PID 3092 wrote to memory of 856 3092 EXCEL.EXE 91 PID 3092 wrote to memory of 856 3092 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\aa4a4d125c444cbe602ab60cba31083a31fd60e2c2ce08e55f84468751a82daf.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:856
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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
MD533ed741e738ffd17972791590e87aa49
SHA1e9b716cc084e27b359ecf84a8e747c1e6d2d99a6
SHA2566a4cc7e2807e9a9891c9bda562deef9f9cdca2b8a043c0b9307013e729601156
SHA51284c0e5fac4ab95a78aa2d929c6be519f8f683b64cd13920d59a31ffff09350f0fbf25cd54544e87bb112b503f3bc7222379ccd4748096eaf8fc8aa91df779126