Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
30/07/2026, 06:33
General
- Target cjzg_mayiyx.exe
- Size 1.6MB
- Sample260730-hbbhqssdlf
- SHA256 bd13bb6efcd97c394f87c31e54856ccf6415c023beb5e2cc32fa5f15e5ae6d9e
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 7 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cjzg_mayiyx.exe"C:\Users\Admin\AppData\Local\Temp\cjzg_mayiyx.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\mayiyx\cjzg\cjzg.exe"C:\Users\Admin\AppData\Roaming\mayiyx\cjzg\cjzg.exe" /autorun /setuprun2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
FindProcDLL.dll
System.dll
Lander.ini
cjzg.exe
lander.ini
memory/3952-64-0x0000000003070000-0x0000000003071000-memory.dmp
memory/3952-63-0x0000000003070000-0x0000000003071000-memory.dmp
memory/4164-54-0x0000000004A41000-0x0000000004A42000-memory.dmp
memory/4164-53-0x0000000004A40000-0x0000000004A43000-memory.dmp
memory/4164-52-0x0000000004A40000-0x0000000004A43000-memory.dmp
memory/4164-50-0x0000000004A41000-0x0000000004A42000-memory.dmp
memory/4164-48-0x0000000004A40000-0x0000000004A43000-memory.dmp
memory/4164-47-0x0000000004A40000-0x0000000004A43000-memory.dmp
memory/4164-14-0x0000000004A40000-0x0000000004A43000-memory.dmp
memory/4164-15-0x0000000004A41000-0x0000000004A42000-memory.dmp