Analysis
- max time kernel
100s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
31/03/2023, 01:52
General
- Target d79dbb236bd0f95b5fc44b696c7dc098b42519931778080040a73b9eaf57ee86.xls
- Size 1.0MB
- Sample230331-cajj3ahf31
- SHA256 d79dbb236bd0f95b5fc44b696c7dc098b42519931778080040a73b9eaf57ee86
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- 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.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d79dbb236bd0f95b5fc44b696c7dc098b42519931778080040a73b9eaf57ee86.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
4779C78B.emf
memory/4348-133-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-134-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-135-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-136-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-137-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-138-0x00007FFD4DE80000-0x00007FFD4DE90000-memory.dmp
memory/4348-139-0x00007FFD4DE80000-0x00007FFD4DE90000-memory.dmp
memory/4348-174-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-175-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-176-0x00007FFD50310000-0x00007FFD50320000-memory.dmp
memory/4348-177-0x00007FFD50310000-0x00007FFD50320000-memory.dmp