Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2023, 17:20

General

  • Target

    62f5857630c061f4cc2322cee9b1153c_cryptolocker_JC.exe

  • Size

    73KB

  • MD5

    62f5857630c061f4cc2322cee9b1153c

  • SHA1

    1bcadfe3c9c67a5fd4d3bdd5689b22c8d988f17f

  • SHA256

    a0ca83d82642b641c282aa34c26f7afea7ba490530f9091166676b2e93d66406

  • SHA512

    d60cb1139890b92f8f9436b8030ef2193942241acf2c509858b2658e263861d094ceb3da15b0c8c13cc7c40fcaab93d44b76b945ca8c9b40f50aff7de9dbedb9

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJNpsAnJYqdIR+G+:ZVxkGOtEvwDpjcNr

Score
7/10

Malware Config

Signatures

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

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62f5857630c061f4cc2322cee9b1153c_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\62f5857630c061f4cc2322cee9b1153c_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4460

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          73KB

          MD5

          d2b8452346899940a870421ea5bb42d0

          SHA1

          bf6902cb0a2b12b5547bde7a729d22888b287aa3

          SHA256

          3611c6f40b8f77d8c9b4c8894d617d06a7052254f2d69c5e92d9c2a5f105e14d

          SHA512

          7b85b93d55f6e4cd4c5734b7093f51e40a4feb17d7af740502fb05df1f27f49c2a348ecc046574a256f2c3665e72fdadec85aa333b4f6b1c180a138838d5f4c7

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

          Filesize

          73KB

          MD5

          d2b8452346899940a870421ea5bb42d0

          SHA1

          bf6902cb0a2b12b5547bde7a729d22888b287aa3

          SHA256

          3611c6f40b8f77d8c9b4c8894d617d06a7052254f2d69c5e92d9c2a5f105e14d

          SHA512

          7b85b93d55f6e4cd4c5734b7093f51e40a4feb17d7af740502fb05df1f27f49c2a348ecc046574a256f2c3665e72fdadec85aa333b4f6b1c180a138838d5f4c7

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

          Filesize

          73KB

          MD5

          d2b8452346899940a870421ea5bb42d0

          SHA1

          bf6902cb0a2b12b5547bde7a729d22888b287aa3

          SHA256

          3611c6f40b8f77d8c9b4c8894d617d06a7052254f2d69c5e92d9c2a5f105e14d

          SHA512

          7b85b93d55f6e4cd4c5734b7093f51e40a4feb17d7af740502fb05df1f27f49c2a348ecc046574a256f2c3665e72fdadec85aa333b4f6b1c180a138838d5f4c7

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/4380-133-0x00000000006E0000-0x00000000006E6000-memory.dmp

          Filesize

          24KB

        • memory/4380-134-0x00000000006E0000-0x00000000006E6000-memory.dmp

          Filesize

          24KB

        • memory/4380-135-0x0000000002230000-0x0000000002236000-memory.dmp

          Filesize

          24KB

        • memory/4460-149-0x00000000006E0000-0x00000000006E6000-memory.dmp

          Filesize

          24KB

        • memory/4460-151-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/4460-152-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB