Analysis
- max time kernel
95s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
23/11/2024, 10:23
General
- Target file.exe
- Size 1.7MB
- Sample241123-meszeasrbv
- SHA256 0b3ffd90968b0af4600a3b6ba21e235269fb304b086a05cd423f64e28336931b
Score
10/10
Malware Config
Extracted
Family
-
stealc
Botnet
-
mars
C2
-
http://185.215.113.206
Attributes
-
url_path
/c4becf79229cb002.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Stealc family
- 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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 v15
Replay Monitor
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Downloads
memory/1532-0-0x00000000004E0000-0x0000000000B79000-memory.dmp
memory/1532-1-0x0000000077A54000-0x0000000077A56000-memory.dmp
memory/1532-2-0x00000000004E1000-0x00000000004F8000-memory.dmp
memory/1532-3-0x00000000004E0000-0x0000000000B79000-memory.dmp
memory/1532-5-0x00000000004E0000-0x0000000000B79000-memory.dmp