Analysis

  • max time kernel
    129s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62f5857630c061f4cc2322cee9b1153c_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\62f5857630c061f4cc2322cee9b1153c_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2944

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

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

    Filesize

    73KB

    MD5

    d2b8452346899940a870421ea5bb42d0

    SHA1

    bf6902cb0a2b12b5547bde7a729d22888b287aa3

    SHA256

    3611c6f40b8f77d8c9b4c8894d617d06a7052254f2d69c5e92d9c2a5f105e14d

    SHA512

    7b85b93d55f6e4cd4c5734b7093f51e40a4feb17d7af740502fb05df1f27f49c2a348ecc046574a256f2c3665e72fdadec85aa333b4f6b1c180a138838d5f4c7

  • memory/2944-67-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/2944-69-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2944-70-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2944-77-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/3068-53-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/3068-54-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/3068-57-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB