Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 13:14

General

  • Target

    e6ffa0aae79abfexe_JC.exe

  • Size

    35KB

  • MD5

    e6ffa0aae79abf28ae9ed9448d160681

  • SHA1

    f15644a145e469829acd35e4e8bd2818762220d3

  • SHA256

    c98714e61f3697f59b0af157ecc36d4727cf006240c3e55888108818bd7ea706

  • SHA512

    04ae18b7aef686a19c67cdbe6f7d1dd9b253b9583cceb8c1d5927df0decf52473a14d7c7b22b2d2cc175438fc7f305dcd5b23a4494bc3c648229d3c06e3007cb

  • SSDEEP

    384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf6XT+0vJsg5b5Uz:bgX4zYcgTEu6QOaryfjqDlC6JFbKz

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6ffa0aae79abfexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\e6ffa0aae79abfexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2080

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          Filesize

          35KB

          MD5

          55c016e04b47db1499b6835fd1013212

          SHA1

          7b0237c18a6776c82a33e0c37b3e2db2b50cc76a

          SHA256

          748319236954a00c3be4e55316a37f01bb79d6620c24bca3a25429dc6cd1984d

          SHA512

          19b687c9db1baa176e66c3030090205bc3e8670c6d698d321b6f21c0aef1868d34eda286ecdea7d3b236b88a6d60010453949351f24bcf2c11ebd045ff20d8ab

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

          Filesize

          35KB

          MD5

          55c016e04b47db1499b6835fd1013212

          SHA1

          7b0237c18a6776c82a33e0c37b3e2db2b50cc76a

          SHA256

          748319236954a00c3be4e55316a37f01bb79d6620c24bca3a25429dc6cd1984d

          SHA512

          19b687c9db1baa176e66c3030090205bc3e8670c6d698d321b6f21c0aef1868d34eda286ecdea7d3b236b88a6d60010453949351f24bcf2c11ebd045ff20d8ab

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

          Filesize

          35KB

          MD5

          55c016e04b47db1499b6835fd1013212

          SHA1

          7b0237c18a6776c82a33e0c37b3e2db2b50cc76a

          SHA256

          748319236954a00c3be4e55316a37f01bb79d6620c24bca3a25429dc6cd1984d

          SHA512

          19b687c9db1baa176e66c3030090205bc3e8670c6d698d321b6f21c0aef1868d34eda286ecdea7d3b236b88a6d60010453949351f24bcf2c11ebd045ff20d8ab

        • memory/2080-150-0x0000000002190000-0x0000000002196000-memory.dmp

          Filesize

          24KB

        • memory/2080-151-0x0000000002110000-0x0000000002116000-memory.dmp

          Filesize

          24KB

        • memory/3968-133-0x0000000000640000-0x0000000000646000-memory.dmp

          Filesize

          24KB

        • memory/3968-134-0x0000000000640000-0x0000000000646000-memory.dmp

          Filesize

          24KB

        • memory/3968-135-0x0000000000670000-0x0000000000676000-memory.dmp

          Filesize

          24KB