Analysis
- max time kernel
149s - max time network
116s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 14:03
General
- Target f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8.exe
- Size 1.7MB
- Sample260417-rcnn5abs81
- SHA256 f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8
Score
10/10
Malware Config
Extracted
Family
-
stealc
Botnet
-
mars
C2
-
http://185.215.113.206
Attributes
-
url_path
/c4becf79229cb002.php
Signatures
- Family: Stealc
Stealc is an infostealer written in C++.
- 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.
- 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 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8.exe"C:\Users\Admin\AppData\Local\Temp\f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8.exe"1⤵
- 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 v16
Replay Monitor
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Downloads
memory/2552-0-0x0000000000E50000-0x00000000014F7000-memory.dmp
memory/2552-1-0x0000000005150000-0x0000000005151000-memory.dmp
memory/2552-3-0x0000000000AE0000-0x0000000000B5C000-memory.dmp
memory/2552-2-0x0000000000E50000-0x00000000014F7000-memory.dmp