Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 09:43
General
- Target 2026-11-01_c146347ed9991029c7311cae85119607_cryptbot_icedid_luca-stealer_njrat_stealc.exe
- Size 1.8MB
- Sample261102-lpyrzagx2w
- SHA256 0e3ecfa3c2bedd0e2f7bc669a87029d3b9634bf4d6164ff2283ee647858f748a
Malware Config
Signatures
- Enumerates VirtualBox registry keys 2 TTPs 3 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- UPX dump on OEP (original entry point) 3 IoCs
- Executes dropped EXE 3 IoCs
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 40 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_c146347ed9991029c7311cae85119607_cryptbot_icedid_luca-stealer_njrat_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_c146347ed9991029c7311cae85119607_cryptbot_icedid_luca-stealer_njrat_stealc.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RarSFX0\giela33_teste.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\giela33_teste.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\agent.exe"C:\Users\Admin\AppData\Local\Temp\agent.exe"3⤵
- Enumerates VirtualBox registry keys
- Looks for VirtualBox Guest Additions in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Roaming\MultiDesk\agent.exe"C:\Users\Admin\AppData\Roaming\MultiDesk\agent.exe" --persist1⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Debugger Evasion
1Modify Registry
1Virtualization/Sandbox Evasion
3Replay Monitor
Loading Replay Monitor...
Downloads
giela33_teste.exe
iMWFuaAPsfRvc6qU.log
iMWFuaAPsfRvc6qU.log
iMWFuaAPsfRvc6qU.log
agent.exe
memory/4100-91-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-42-0x0000000006040000-0x00000000061F8000-memory.dmp
memory/4100-96-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-101-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-104-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-107-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-110-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-113-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-116-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4100-119-0x0000000000AA0000-0x0000000000BB3000-memory.dmp
memory/4324-14-0x00007FF7135C0000-0x00007FF713AB0000-memory.dmp
memory/4324-8-0x00007FF7135C0000-0x00007FF713AB0000-memory.dmp