Analysis
- max time kernel
112s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
13/09/2024, 07:53
General
- Target c8bbd42095114a10831ebd50c9277750N.exe
- Size 1.8MB
- Sample240913-jrfcasscnl
- SHA256 638175129f017c1f0035cef4d432f07134bdf1e0564539cfc832e14229fe2be0
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 6 IoCs
- Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 12 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 5 IoCs
- Identifies Wine through registry keys 2 TTPs 6 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 6 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c8bbd42095114a10831ebd50c9277750N.exe"C:\Users\Admin\AppData\Local\Temp\c8bbd42095114a10831ebd50c9277750N.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 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\Roaming\1000026000\8a2c41e008.exe"C:\Users\Admin\AppData\Roaming\1000026000\8a2c41e008.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\1000030001\93b9ccc0b1.exe"C:\Users\Admin\AppData\Local\Temp\1000030001\93b9ccc0b1.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
8a2c41e008.exe
memory/2380-1-0x0000000077E54000-0x0000000077E56000-memory.dmp
memory/2380-2-0x00000000008E1000-0x000000000090F000-memory.dmp
memory/2380-3-0x00000000008E0000-0x0000000000DA5000-memory.dmp
memory/2380-4-0x00000000008E0000-0x0000000000DA5000-memory.dmp
memory/2380-17-0x00000000008E0000-0x0000000000DA5000-memory.dmp
memory/2380-0-0x00000000008E0000-0x0000000000DA5000-memory.dmp
memory/2600-63-0x0000000000AE0000-0x0000000001158000-memory.dmp
memory/2600-45-0x0000000000AE0000-0x0000000001158000-memory.dmp
memory/2872-24-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/2872-25-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/2872-26-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/2872-28-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/2872-29-0x00000000009D1000-0x00000000009FF000-memory.dmp
memory/3864-76-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/3864-77-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/3888-69-0x0000000000A60000-0x00000000010D8000-memory.dmp
memory/3888-61-0x0000000000A60000-0x00000000010D8000-memory.dmp
memory/4368-20-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-21-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-64-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-65-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-66-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-67-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-22-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-70-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-71-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-72-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-73-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-74-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-19-0x00000000009D1000-0x00000000009FF000-memory.dmp
memory/4368-18-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-78-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-79-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-80-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-81-0x00000000009D0000-0x0000000000E95000-memory.dmp
memory/4368-82-0x00000000009D0000-0x0000000000E95000-memory.dmp