Analysis
- max time kernel
93s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/12/2024, 09:46
General
- Target c345aac946f217493e26b70406e93e028985d34c0575b087f208f3dd9c48075d.exe
- Size 4.9MB
- Sample241208-lr1pcavlhr
- SHA256 c345aac946f217493e26b70406e93e028985d34c0575b087f208f3dd9c48075d
Malware Config
Extracted
-
stealc
-
drum
-
http://185.215.113.206
-
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\c345aac946f217493e26b70406e93e028985d34c0575b087f208f3dd9c48075d.exe"C:\Users\Admin\AppData\Local\Temp\c345aac946f217493e26b70406e93e028985d34c0575b087f208f3dd9c48075d.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/4144-0-0x0000000000BA0000-0x0000000001097000-memory.dmp
memory/4144-1-0x0000000077C94000-0x0000000077C96000-memory.dmp
memory/4144-2-0x0000000000BA1000-0x0000000000DEA000-memory.dmp
memory/4144-3-0x0000000000BA0000-0x0000000001097000-memory.dmp
memory/4144-4-0x0000000000BA0000-0x0000000001097000-memory.dmp
memory/4144-5-0x0000000000BA1000-0x0000000000DEA000-memory.dmp