Analysis
- max time kernel
92s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
18/12/2024, 19:56
General
- Target 3287ce2d6be3f77c5d1e7cc351f4ad5f.exe
- Size 4.3MB
- Sample241218-ynph5a1jdk
- SHA256 7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4
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 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3287ce2d6be3f77c5d1e7cc351f4ad5f.exe"C:\Users\Admin\AppData\Local\Temp\3287ce2d6be3f77c5d1e7cc351f4ad5f.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/3888-0-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-1-0x00000000770F4000-0x00000000770F6000-memory.dmp
memory/3888-2-0x0000000000AC1000-0x0000000000D45000-memory.dmp
memory/3888-3-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-4-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-5-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-6-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-7-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-8-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-9-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-10-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-11-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-12-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-13-0x0000000000AC0000-0x0000000001626000-memory.dmp
memory/3888-14-0x0000000000AC0000-0x0000000001626000-memory.dmp