Analysis
- max time kernel
149s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
18/09/2026, 02:11
General
- Target 9f99379de2a8a6ed0c016cbc8386c6a4837bc3942eb0866434d05b3e172310a3.exe
- Size 225KB
- Sample260918-cmcbhsvajd
- SHA256 9f99379de2a8a6ed0c016cbc8386c6a4837bc3942eb0866434d05b3e172310a3
Malware Config
Signatures
- Family: Gepys
Gepys is a Windows trojan.
- Detects Gepys trojan 8 IoCs
- Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Drops file in Program Files directory 4 IoCs
- 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\9f99379de2a8a6ed0c016cbc8386c6a4837bc3942eb0866434d05b3e172310a3.exe"C:\Users\Admin\AppData\Local\Temp\9f99379de2a8a6ed0c016cbc8386c6a4837bc3942eb0866434d05b3e172310a3.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\PROGRA~3\Mozilla\prsoxmm.exeC:\PROGRA~3\Mozilla\prsoxmm.exe -yftnutb1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\PROGRA~3\Mozilla\prsoxmm.exeC:\PROGRA~3\Mozilla\prsoxmm.exe1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\PROGRA~3\Mozilla\prsoxmm.exeC:\PROGRA~3\Mozilla\prsoxmm.exe -yftnutb1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
kxstkvk.dll
prsoxmm.exe
prsoxmm.exe
memory/2092-10-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2092-16-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2092-11-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2496-25-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2496-22-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2496-30-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2496-26-0x0000000000D80000-0x0000000000D96000-memory.dmp
memory/2496-23-0x0000000000D80000-0x0000000000D96000-memory.dmp
memory/3776-2-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3776-1-0x00000000005B0000-0x000000000060B000-memory.dmp
memory/3776-8-0x00000000005B0000-0x000000000060B000-memory.dmp
memory/3776-0-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3776-7-0x0000000000400000-0x000000000045B000-memory.dmp
memory/5000-24-0x0000000000400000-0x000000000045B000-memory.dmp
memory/5000-14-0x0000000000400000-0x000000000045B000-memory.dmp
memory/5000-29-0x0000000000400000-0x000000000045B000-memory.dmp
memory/5000-13-0x0000000000400000-0x000000000045B000-memory.dmp