Analysis
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max time kernel
14s -
max time network
20s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15-06-2024 12:56
Behavioral task
behavioral1
Sample
BALD.WIN_Fortnite_External.exe
Resource
win7-20240611-en
5 signatures
150 seconds
General
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Target
BALD.WIN_Fortnite_External.exe
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Size
4.8MB
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MD5
b8d0b1ad7e86ef67cbf12c4919e032f4
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SHA1
ca0e5b439068427f230008d8b3c5e7e3d116c810
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SHA256
07c40b80e0caeb0e0dbd4b9a324c63fa2984f0be8549f312a292dceeb6bb4e79
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SHA512
8f4a4fa98766141f3d04cf6eb29ae4c7cb5a42f9f1bef779e3dbe97e94e8267e65e0244240ff17cfa2ca28b94dea56d895fffd27ff8ede87b8eca6dc68f22fd9
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SSDEEP
98304:/TuP86Vx0jbno8Ro5h2L/dKFMAzdn9ZK08mf3oxM1Cl+Fzrmf:7uPjx0HhRmhY3AJniG3KsCAcf
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
BALD.WIN_Fortnite_External.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ BALD.WIN_Fortnite_External.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
BALD.WIN_Fortnite_External.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion BALD.WIN_Fortnite_External.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion BALD.WIN_Fortnite_External.exe -
Processes:
resource yara_rule behavioral2/memory/4644-1-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida behavioral2/memory/4644-3-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida behavioral2/memory/4644-2-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida behavioral2/memory/4644-4-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida behavioral2/memory/4644-5-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida behavioral2/memory/4644-6-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida behavioral2/memory/4644-7-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida behavioral2/memory/4644-8-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmp themida -
Processes:
BALD.WIN_Fortnite_External.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA BALD.WIN_Fortnite_External.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
BALD.WIN_Fortnite_External.exepid process 4644 BALD.WIN_Fortnite_External.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BALD.WIN_Fortnite_External.exe"C:\Users\Admin\AppData\Local\Temp\BALD.WIN_Fortnite_External.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/4644-0-0x00007FF84DC50000-0x00007FF84DC52000-memory.dmpFilesize
8KB
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memory/4644-1-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB
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memory/4644-3-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB
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memory/4644-2-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB
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memory/4644-4-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB
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memory/4644-5-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB
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memory/4644-6-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB
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memory/4644-7-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB
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memory/4644-8-0x00007FF6A29E0000-0x00007FF6A36BF000-memory.dmpFilesize
12.9MB