Analysis

  • max time kernel
    98s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 15:13

General

  • Target

    309f02cee7d24d73ac7aba5671a0fd41b3aa9807e935fb14e5ee441dd9433a42N.exe

  • Size

    250KB

  • MD5

    fcd3a9f2c7b002caf8c38e9cf3538880

  • SHA1

    4ef8b2fc3827ff326439c7aa644279720b2c8635

  • SHA256

    309f02cee7d24d73ac7aba5671a0fd41b3aa9807e935fb14e5ee441dd9433a42

  • SHA512

    40f7905ae8578711996cb3de95e0906779d41e4b9e2ccf3af15f622a74d96c00f8185150d19ef9020de4a867afd1971208162879263f7771b700c1801b94aba8

  • SSDEEP

    6144:oxZ3ZqXwFH59B1vpAsINVDK3J8ZT8wYM+6k6fLePUDdFMH8/dno:orZDZRV2OZ8trB+6hf5dr/O

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 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.

  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\309f02cee7d24d73ac7aba5671a0fd41b3aa9807e935fb14e5ee441dd9433a42N.exe
    "C:\Users\Admin\AppData\Local\Temp\309f02cee7d24d73ac7aba5671a0fd41b3aa9807e935fb14e5ee441dd9433a42N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Local\Temp\309f02cee7d24d73ac7aba5671a0fd41b3aa9807e935fb14e5ee441dd9433a42N.exe
      "C:\Users\Admin\AppData\Local\Temp\309f02cee7d24d73ac7aba5671a0fd41b3aa9807e935fb14e5ee441dd9433a42N.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3724
      • C:\ProgramData\fxU5OkJxldQO\j8zwCv830kViFmO1.exe
        "C:\ProgramData\fxU5OkJxldQO\j8zwCv830kViFmO1.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2144
        • C:\ProgramData\fxU5OkJxldQO\j8zwCv830kViFmO1.exe
          "C:\ProgramData\fxU5OkJxldQO\j8zwCv830kViFmO1.exe"
          4⤵
          • Deletes itself
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1212
          • C:\Program Files (x86)\Windows Mail\wab.exe
            "C:\Program Files (x86)\Windows Mail\wab.exe" /i:1212
            5⤵
              PID:3260

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\fxU5OkJxldQO\RCX5D33.tmp

      Filesize

      250KB

      MD5

      42463cb570cb618503f8387f4801712d

      SHA1

      3d42ef5305d0906feced1875786d2b83e1c29b8a

      SHA256

      7730328f4a1c26583b14e47848a91a7e2581c75e6684f04860292da713cfbc67

      SHA512

      a952aea7a499673e51c6bf59e51c8e2b5471125ad508a7fe4589681858957daee9c709aa60ea39b0e1d17594de9afae7861890a6aa6aec8747d7c4e5c914ba41

    • C:\ProgramData\fxU5OkJxldQO\j8zwCv830kViFmO1.exe

      Filesize

      250KB

      MD5

      fcd3a9f2c7b002caf8c38e9cf3538880

      SHA1

      4ef8b2fc3827ff326439c7aa644279720b2c8635

      SHA256

      309f02cee7d24d73ac7aba5671a0fd41b3aa9807e935fb14e5ee441dd9433a42

      SHA512

      40f7905ae8578711996cb3de95e0906779d41e4b9e2ccf3af15f622a74d96c00f8185150d19ef9020de4a867afd1971208162879263f7771b700c1801b94aba8

    • memory/1212-26-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/1212-37-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2144-24-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3260-36-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/3260-39-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/3452-3-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3724-2-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/3724-4-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/3724-1-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/3724-20-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/3724-0-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB