Analysis
- max time kernel
120s - max time network
121s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
20/12/2024, 15:25
General
- Target ebfe28cb77f3d1246693fa372420d022.exe
- Size 4.2MB
- Sample241220-stlrjayrcm
- SHA256 fcf09a75838f976b2a8112606dee0912e662a5727822d8e349006299c3f6093a
Malware Config
Extracted
-
cryptbot
Signatures
- CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
- Cryptbot family
- Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ebfe28cb77f3d1246693fa372420d022.exe"C:\Users\Admin\AppData\Local\Temp\ebfe28cb77f3d1246693fa372420d022.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2512-0-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-1-0x0000000077460000-0x0000000077462000-memory.dmp
memory/2512-2-0x00000000008B1000-0x0000000000B35000-memory.dmp
memory/2512-3-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-4-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-5-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-6-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-7-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-8-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-9-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-10-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-11-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-12-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-13-0x00000000008B0000-0x0000000001408000-memory.dmp
memory/2512-14-0x00000000008B0000-0x0000000001408000-memory.dmp