Analysis

  • max time kernel
    139s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2023, 14:24

General

  • Target

    7636f23dfaa2651786838ccabc8230b7_cryptolocker_JC.exe

  • Size

    122KB

  • MD5

    7636f23dfaa2651786838ccabc8230b7

  • SHA1

    c725c328d6cb6ee5fc5a7f36ca638a79ffd3a8a4

  • SHA256

    12cb426a4b6f0fef028ff86854aeb0a05d69fb342349498cdc3cde6d195c5c63

  • SHA512

    517d7f67d69c346866fc20c4297fe5d8e55065d2b5f45e62a602f40c3e2637e1db2c60cfb02b36d248cb45813baf36d4586786cc91a1de9952d60be61a530a3f

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVZR:vCjsIOtEvwDpj5H9YvQd2F

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\7636f23dfaa2651786838ccabc8230b7_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\7636f23dfaa2651786838ccabc8230b7_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3656
    • 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:4952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          122KB

          MD5

          6388943f292bf18bf352f55c54bdbd1c

          SHA1

          02856b499fbe23a9b7c0e37a137a939e7b05b989

          SHA256

          b5b2b46d88cd20d036975a7de24df6b4983c963831ef0e80d77be599eeed06e9

          SHA512

          9396a261c75883278d5cdacf55ea5b9f62489fc1cc99db3d87ead8315f18cd9a18e80d22a7afbe80526b390ab92db76e4a6ade1c9b2113abdb724b3887f58ea6

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

          Filesize

          122KB

          MD5

          6388943f292bf18bf352f55c54bdbd1c

          SHA1

          02856b499fbe23a9b7c0e37a137a939e7b05b989

          SHA256

          b5b2b46d88cd20d036975a7de24df6b4983c963831ef0e80d77be599eeed06e9

          SHA512

          9396a261c75883278d5cdacf55ea5b9f62489fc1cc99db3d87ead8315f18cd9a18e80d22a7afbe80526b390ab92db76e4a6ade1c9b2113abdb724b3887f58ea6

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

          Filesize

          122KB

          MD5

          6388943f292bf18bf352f55c54bdbd1c

          SHA1

          02856b499fbe23a9b7c0e37a137a939e7b05b989

          SHA256

          b5b2b46d88cd20d036975a7de24df6b4983c963831ef0e80d77be599eeed06e9

          SHA512

          9396a261c75883278d5cdacf55ea5b9f62489fc1cc99db3d87ead8315f18cd9a18e80d22a7afbe80526b390ab92db76e4a6ade1c9b2113abdb724b3887f58ea6

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/3656-133-0x00000000005E0000-0x00000000005E6000-memory.dmp

          Filesize

          24KB

        • memory/3656-134-0x00000000005E0000-0x00000000005E6000-memory.dmp

          Filesize

          24KB

        • memory/3656-135-0x0000000000600000-0x0000000000606000-memory.dmp

          Filesize

          24KB

        • memory/4952-151-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/4952-150-0x0000000002100000-0x0000000002106000-memory.dmp

          Filesize

          24KB