Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 19:20

General

  • Target

    a9cd04e2d97fc0954dbbf279ed59d0ca.exe

  • Size

    180KB

  • MD5

    a9cd04e2d97fc0954dbbf279ed59d0ca

  • SHA1

    c61f2904f591cd66d01e9948c4ee7f5ae30f7ad3

  • SHA256

    6c9f98c6af1ac1a565627ddfd2abc7e7fdc42f65e5f8892babd53d3930fdfa93

  • SHA512

    ccf1b0bf6b93a70181531546f411b7b9f285fd932e9d272e1788ed679e144548c1f74ba052cdfa7469df54f719d2986a93c3e75ad3674c71450419c552a616f2

  • SSDEEP

    3072:JIOGdYRLoeEdRos/eaqFnqWDb+uTyLDC6s5sSYqGlC6YViZj5HQXZmmJ0yCFioxr:W3cKPpm2lC6YViZj5HQXZmmJ0yCF9Bxx

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9cd04e2d97fc0954dbbf279ed59d0ca.exe
    "C:\Users\Admin\AppData\Local\Temp\a9cd04e2d97fc0954dbbf279ed59d0ca.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Users\Admin\diiugej.exe
      "C:\Users\Admin\diiugej.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1656

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\diiugej.exe

          Filesize

          180KB

          MD5

          f2b4fd2d9af25794aa2f7eacd2ef5a9e

          SHA1

          e148f8dd05986e7705c76441cecec5321425b229

          SHA256

          e3c8968c83ed8eee6068c06c308ab5dfe8134df075bb7802f07ec00e86694bd3

          SHA512

          bcca4f38184a548c6f0336f5dd789bd6fc517bf526b5174dc59a3e7058bbf3be9445aa29426252532ce0f04612d418178ce5e3818c16cc593f25989320dc2cbc

        • memory/1656-34-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/3160-0-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB