Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/05/2026, 15:21

General

  • Target
    2401970f06c8741e2c4f6d7aee7f7c20.exe
  • Size 226KB
  • Sample260503-srkfpafv3j
  • SHA256 e47d44f43709a7e0d268654c2fc57591cbc8a0505d37b106b79b9894ab1e42a0
  • MD5 SHA1 SHA512 SSDEEP TLSH

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\2401970f06c8741e2c4f6d7aee7f7c20.exe
    "C:\Users\Admin\AppData\Local\Temp\2401970f06c8741e2c4f6d7aee7f7c20.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3256
  • C:\PROGRA~3\Mozilla\npxgshc.exe
    C:\PROGRA~3\Mozilla\npxgshc.exe -cjbkkrk
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4104
  • C:\PROGRA~3\Mozilla\npxgshc.exe
    C:\PROGRA~3\Mozilla\npxgshc.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1064
  • C:\PROGRA~3\Mozilla\npxgshc.exe
    C:\PROGRA~3\Mozilla\npxgshc.exe -cjbkkrk
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:748

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        chsoppm.dll

        • Path C:\PROGRA~3\Mozilla\chsoppm.dll
        • Size 63KB
        • SHA256 eaa798d73017ba019ee56940e3b1b76ddb29a8f602c50876cb60b61dfe2b73bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        npxgshc.exe

        • Path C:\ProgramData\Mozilla\npxgshc.exe
        • Size 226KB
        • SHA256 f9baf0fd0e388a80a269b9099643a6cd38836406b90da2ce5ec4fa2a3f72e862
        • MD5 SHA1 SHA512 SSDEEP TLSH

        npxgshc.exe

        • Path C:\ProgramData\Mozilla\npxgshc.exe
        • Size 226KB
        • SHA256 bb7d896aa4561806ee3a4d9d2056d6e3e6969c268e09e88ffe01a444b4288dad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/748-25-0x0000000000560000-0x0000000000576000-memory.dmp

        memory/748-21-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/748-30-0x0000000010000000-0x0000000010018000-memory.dmp

        memory/748-28-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/748-20-0x0000000010000000-0x0000000010018000-memory.dmp

        memory/748-22-0x0000000000560000-0x0000000000576000-memory.dmp

        memory/748-24-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/1064-12-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/1064-23-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/1064-26-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/1064-11-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/3256-1-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/3256-3-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/3256-0-0x00000000020D0000-0x000000000212B000-memory.dmp

        memory/3256-5-0x00000000020D0000-0x000000000212B000-memory.dmp

        memory/4104-14-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/4104-9-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/4104-8-0x0000000000400000-0x000000000045B000-memory.dmp