Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/09/2026, 13:05
Behavioral task
behavioral1
Sample
2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe
- Size 2.4MB
- Sample260924-qbppcssw5l
- SHA256 157d2a92ee2bd87b2a846cf93af6bae8664bb398c8a61e3941a5892f71ab0eb6
- MD5 1d02c3d5eade887dac3ce2988a889804
- SHA1 b5353f8818260a1107f8034d63fc806641303f07
- SHA512 b19be30f9996327295b14d06432b9254728d3b9286f11d9ceb5a28273d3ccdd155df4d1b71c02f8802047c04bf841e363b32174aef47d62473d52069240f3b40
- SSDEEP 49152:R/ZQpBAS1xSsaFim2I2HRoh5cOTAte+Bq4S6Kc5gOh:JGplddf45cOT2e+Bq4SYgOh
- TLSH T1DFC512A1F242F65EF9A204719B54C6F123247D349B36866336C03E3B717A1E3965BB23
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
- Detects binaries and memory artifacts referencing sandbox product IDs 3 IoCs
resource yara_rule behavioral1/memory/3852-0-0x00000000024E0000-0x0000000002561000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxProductID behavioral1/memory/3852-2-0x00000000024E0000-0x0000000002561000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxProductID behavioral1/memory/3852-3-0x00000000024E0000-0x0000000002561000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxProductID - Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe - Stops running service(s) 4 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5008 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4736 cmd.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Disables Windows logging functionality 2 TTPs
Changes registry settings to disable Windows Event logging.
- Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3852 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe 3852 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe 3852 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe 3852 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe 3852 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe 3852 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3852 wrote to memory of 4736 3852 2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe 86 PID 4736 wrote to memory of 5008 4736 cmd.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-23_1d02c3d5eade887dac3ce2988a889804_bkransomware_elex_maze.exe"1⤵
- Enumerates VirtualBox registry keys
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c sc stop WerSvc2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\SysWOW64\sc.exesc stop WerSvc3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:5008
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1System Services
1Service Execution
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
1Modify Registry
1Virtualization/Sandbox Evasion
1