Analysis
- max time kernel
154s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
14/01/2024, 18:45
General
- Target 5b947a2af46182eceab1dd3d52e3746a.exe
- Size 2.0MB
- Sample240114-xecyascfhr
- SHA256 87d24d25ebb964f3dc6456c7d47b5c9dd4adafbf76241491090c80ac0831d841
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of SetWindowsHookEx 10 IoCs
- Suspicious use of WriteProcessMemory 5 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:\Users\Admin\AppData\Local\Temp\5b947a2af46182eceab1dd3d52e3746a.exe"C:\Users\Admin\AppData\Local\Temp\5b947a2af46182eceab1dd3d52e3746a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8165.tmp"C:\Users\Admin\AppData\Local\Temp\8165.tmp" --splashC:\Users\Admin\AppData\Local\Temp\5b947a2af46182eceab1dd3d52e3746a.exe 135B890300B06B9DD4715489990F45B5998425FB106E3267217FEBB29ED9C6B6E381B1BF3595F0BDC8AF0FE75C883AA6DAC314BA712BCD7DF719BEACA9173F0D2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5b947a2af46182eceab1dd3d52e3746a.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
5b947a2af46182eceab1dd3d52e3746a.docx
5b947a2af46182eceab1dd3d52e3746a.docx
8165.tmp
8165.tmp
memory/2168-5-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2820-0-0x0000000000400000-0x0000000000606000-memory.dmp
memory/4868-24-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-25-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-15-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-14-0x00007FFE5C7D0000-0x00007FFE5C7E0000-memory.dmp
memory/4868-16-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-18-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-17-0x00007FFE5C7D0000-0x00007FFE5C7E0000-memory.dmp
memory/4868-20-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-19-0x00007FFE5C7D0000-0x00007FFE5C7E0000-memory.dmp
memory/4868-22-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-13-0x00007FFE5C7D0000-0x00007FFE5C7E0000-memory.dmp
memory/4868-27-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-26-0x00007FFE59ED0000-0x00007FFE59EE0000-memory.dmp
memory/4868-12-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-28-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-23-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-21-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-30-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-29-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-33-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-34-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-32-0x00007FFE59ED0000-0x00007FFE59EE0000-memory.dmp
memory/4868-31-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-11-0x00007FFE5C7D0000-0x00007FFE5C7E0000-memory.dmp
memory/4868-47-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp
memory/4868-48-0x00007FFE9C750000-0x00007FFE9C945000-memory.dmp