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
    22/08/2023, 18:01

General

  • Target

    6ffdbf0be2433af769082d51d295819e_cryptolocker_JC.exe

  • Size

    30KB

  • MD5

    6ffdbf0be2433af769082d51d295819e

  • SHA1

    c3812f78acfe07d083f10ce4f905c7a9048a5580

  • SHA256

    0019b8744dd13a0d468748f2e8f0c49bfa58a346e64fb81af5d4f8aea145f931

  • SHA512

    fe01d1bee14bed1289d6246b63db8f81c390321a7f1c93a69e197901ce43f9dceb3457084abfb565c9efe0950af866de3988195c5f74d557a41413ed30b233c7

  • SSDEEP

    384:u0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9Da:uQz7yVEhs9+js1SQtOOtEvwDpjzK

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\6ffdbf0be2433af769082d51d295819e_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\6ffdbf0be2433af769082d51d295819e_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1876
    • 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:1552

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          30KB

          MD5

          b07d16cfec6ccfcb21415dadc3d3a9b6

          SHA1

          2db16cb2e4c2dc93e1bcba785b6aeef6c7bdba92

          SHA256

          16716744c71918fe9405127179b10b1c5084491c167c071723e7b71504f5b0dc

          SHA512

          f3f8f81fe961f9cdaaf1bcc5f58e165d23c1ed821f3ad621210a76dc260a2809f90c4593cd4ad969d4e0403b11b2341c885cb76e919dd4ce30fb541af9257128

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

          Filesize

          30KB

          MD5

          b07d16cfec6ccfcb21415dadc3d3a9b6

          SHA1

          2db16cb2e4c2dc93e1bcba785b6aeef6c7bdba92

          SHA256

          16716744c71918fe9405127179b10b1c5084491c167c071723e7b71504f5b0dc

          SHA512

          f3f8f81fe961f9cdaaf1bcc5f58e165d23c1ed821f3ad621210a76dc260a2809f90c4593cd4ad969d4e0403b11b2341c885cb76e919dd4ce30fb541af9257128

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

          Filesize

          30KB

          MD5

          b07d16cfec6ccfcb21415dadc3d3a9b6

          SHA1

          2db16cb2e4c2dc93e1bcba785b6aeef6c7bdba92

          SHA256

          16716744c71918fe9405127179b10b1c5084491c167c071723e7b71504f5b0dc

          SHA512

          f3f8f81fe961f9cdaaf1bcc5f58e165d23c1ed821f3ad621210a76dc260a2809f90c4593cd4ad969d4e0403b11b2341c885cb76e919dd4ce30fb541af9257128

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1552-151-0x0000000000560000-0x0000000000566000-memory.dmp

          Filesize

          24KB

        • memory/1552-150-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

          Filesize

          24KB

        • memory/1876-133-0x00000000005B0000-0x00000000005B6000-memory.dmp

          Filesize

          24KB

        • memory/1876-134-0x00000000005B0000-0x00000000005B6000-memory.dmp

          Filesize

          24KB

        • memory/1876-135-0x00000000005D0000-0x00000000005D6000-memory.dmp

          Filesize

          24KB