Analysis
- max time kernel
142s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
07/09/2024, 16:36
General
- Target e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c.exe
- Size 1.8MB
- Sample240907-t39ematarq
- SHA256 e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c
Malware Config
Extracted
-
amadey
-
4.41
-
c7817d
-
http://31.41.244.10
-
install_dir
0e8d0864aa
-
install_file
svoutse.exe
-
strings_key
5481b88a6ef75bcf21333988a4e47048
-
url_paths
/Dem7kTu/index.php
Extracted
-
stealc
-
rave
-
http://185.215.113.103
-
url_path
/e2b1563c6670f193.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Stealc
Stealc is an infostealer written in C++.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
- Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 IoCs
- Identifies Wine through registry keys 2 TTPs 5 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 5 IoCs
- 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 3 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
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c.exe"C:\Users\Admin\AppData\Local\Temp\e3b6d8dd126b986c6e14720c7adcc7e2de109e83f11e6ca8e5eb1d005fe8095c.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe"C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1000030001\907c9165c6.exe"C:\Users\Admin\AppData\Local\Temp\1000030001\907c9165c6.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
-
C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exeC:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exeC:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
svoutse.exe
907c9165c6.exe
5c4a92c7c9.exe
7e4081dfff.exe
memory/1656-64-0x0000000000CB0000-0x0000000001336000-memory.dmp
memory/1656-66-0x0000000000CB0000-0x0000000001336000-memory.dmp
memory/1968-73-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/1968-74-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4276-17-0x0000000000700000-0x0000000000BB8000-memory.dmp
memory/4276-5-0x0000000000700000-0x0000000000BB8000-memory.dmp
memory/4276-0-0x0000000000700000-0x0000000000BB8000-memory.dmp
memory/4276-3-0x0000000000700000-0x0000000000BB8000-memory.dmp
memory/4276-2-0x0000000000701000-0x000000000072F000-memory.dmp
memory/4276-1-0x0000000077004000-0x0000000077006000-memory.dmp
memory/4332-69-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-19-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-25-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-42-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-92-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-91-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-16-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-23-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-22-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-62-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-21-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-67-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-68-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-20-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-70-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-71-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-26-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-18-0x00000000000A1000-0x00000000000CF000-memory.dmp
memory/4332-75-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4332-76-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4564-46-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4564-44-0x00000000000A0000-0x0000000000558000-memory.dmp
memory/4564-43-0x00000000000A0000-0x0000000000558000-memory.dmp