Analysis

  • max time kernel
    95s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 00:35

General

  • Target

    2024-09-06_492ef884ff0acb35ad20fb9fc3516c20_cryptolocker.exe

  • Size

    75KB

  • MD5

    492ef884ff0acb35ad20fb9fc3516c20

  • SHA1

    b4a968059132cddbdeacce217976111cc7e2ca8a

  • SHA256

    e36230598743005628248cbc8676b4b11a68e4be1bc98e72112171bf3a4690c1

  • SHA512

    3dc3ec3c148a25f00bc426b001cc2b83b2b6cc5c1479183a9a303e14c73eb8c137844cec4f2c23fba8338a9c2f871f180d9ff4c04e1294d64730bc17915e935b

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9za:9Uj+AIMOtEvwDpjLizbR9Xwza

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-06_492ef884ff0acb35ad20fb9fc3516c20_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-06_492ef884ff0acb35ad20fb9fc3516c20_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:892

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          75KB

          MD5

          105ab9add43444b9c3f9041609d90e22

          SHA1

          eb4192acc1028740105e506ce86c8b90583c3dcc

          SHA256

          f6f01f8c2343a2fedbbbb89b7e684bc1b344fd45b0eb24018cf7a33afabd399d

          SHA512

          017ea66ca1cfff288d69bb1cb611f623d9132286b58d2cdc2bad8fd37a6e695b21fbe5a1ea9e393a6971997b65b08de821e202e8215ee2b13041d9dc01ee3bb8

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/892-17-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

          Filesize

          24KB

        • memory/892-23-0x00000000021D0000-0x00000000021D6000-memory.dmp

          Filesize

          24KB

        • memory/2884-0-0x0000000000650000-0x0000000000656000-memory.dmp

          Filesize

          24KB

        • memory/2884-1-0x0000000000650000-0x0000000000656000-memory.dmp

          Filesize

          24KB

        • memory/2884-3-0x0000000000780000-0x0000000000786000-memory.dmp

          Filesize

          24KB