Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/11/2024, 13:53

General

  • Target

    ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe

  • Size

    665KB

  • MD5

    4c0c38e7fad334322adc74c33eb50ac0

  • SHA1

    d0706bfa6dab31f79f7cbe6265569e8b1184dbdb

  • SHA256

    ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0

  • SHA512

    5542d4f78b1af871ab097fc2caeaeb84fb82064a73e7da94cb9d613a10e1442c924358c15f5b5fd6128eba75312096c3a66170ff087bfadaa5c9d46013e60523

  • SSDEEP

    12288:3Z8nkF9oy1ADvMKdhAS0jjLz7hoo3RpEcvALALdt/xBot/FcEic/3IWVscSfVo8o:3Z8nkF9oySiLz72ooSru/so3V9xmFXA

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe
    "C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe
      "C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\remove13241.bat" "
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:3048
      • C:\Users\Admin\AppData\Local\Temp\service.exe
        "C:\Users\Admin\AppData\Local\Temp\service.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2748
        • C:\Users\Admin\AppData\Local\Temp\service.exe
          "C:\Users\Admin\AppData\Local\Temp\service.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          PID:2616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\service.exe

          Filesize

          668KB

          MD5

          86ca0bc25c34d43750812b3a12a762aa

          SHA1

          95bb483eeae9544cac093963d24412ef4883f26d

          SHA256

          448f60b053d0c1ff8975b95e09d9267a3a492a7ca514359069e3cb97f53f3dc6

          SHA512

          2a3794ae9890fd69374c3ff44291a2b6aa430ff9410a0762f619165a7281dc98ad4709aac65286fb9e90b25bdf60b8e688fb5693545cac5e20b0ee99652ea271

        • C:\Users\Admin\AppData\Local\Temp\shell32.dll

          Filesize

          51B

          MD5

          cac6c9c44b7ba77569037004849f4d6d

          SHA1

          6bdf754cf0bb144e17ffd703663e4c5801598317

          SHA256

          745528a15bf44f5504e5a1a27a5397e70dd6b1790093928f730a181e74776835

          SHA512

          a38711de27f0ca7a3f0673f3fdc16e1aa20e7828b7db16041d6307e7c68f3ef78ee3e007754f98a4ff113f99ec1b32ffece6e16a7dfdae3e1a287e009b9fa114

        • C:\Users\Admin\remove13241.bat

          Filesize

          269B

          MD5

          6c6503303985b1ff09b979223e9b682c

          SHA1

          1172ca8d6ced99fe023e0de563e8ac36608e197d

          SHA256

          85d657a903ab6a6b8d226e273ba311b0c58074a7d3b01a0d402dfbf5910c9a43

          SHA512

          1d9ffffe6ac051b85852190228e687351dd275d1f0e0478826735699992646ee2b6f7bb79c0712ea274e68fe3606c8af14dfd292421c9c2fbbc68b03398fdad3

        • memory/1852-9-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/2428-11-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2428-4-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2428-2-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2428-0-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2428-6-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2428-12-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2428-40-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2428-8-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2616-54-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2616-56-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2616-57-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2616-58-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2748-53-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB