Analysis

  • max time kernel
    94s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 23:21

General

  • Target

    2024-09-14_1669cec4123fbc51a75b4d58c4b445e9_cryptolocker.exe

  • Size

    51KB

  • MD5

    1669cec4123fbc51a75b4d58c4b445e9

  • SHA1

    ff54b8d7a6cf0b7bd9078ef472d83f386f8847fd

  • SHA256

    0857294c34233c5eab14eefec020af791bd1fd057ed216fcb31e410c7abf69ba

  • SHA512

    ecd6246188851a13fb1fa2b0df2537f1b0c4c9d15e3ab5e4597aa2f21ca0f2402e5bb4da44bf9e5c23b69bde00aa018180254d22c084427433f9a1c04186ae0f

  • SSDEEP

    768:OQz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvgpnY1n9y:Oj+1NMOtEvwDpjr8hgpY19y

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\2024-09-14_1669cec4123fbc51a75b4d58c4b445e9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-14_1669cec4123fbc51a75b4d58c4b445e9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5016
    • 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:2960

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          52KB

          MD5

          2a3c054f8e144ba04e451f57645ad1a6

          SHA1

          bbc9a6d659432edc8ecb44eabcd9ed168ba598eb

          SHA256

          b64ebb423d444caab51e99b4c161f0cdcf310049f5099974fd28ad9f8fed5a2a

          SHA512

          97b29239e58562ca7a3dea01d713de33459a45c91ab315c37bc5a2b193ea3b4fc3c9be3b245de361bf7287b2a39ddaed735015195b2b3f66c9e37fb29517f4fa

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2960-19-0x0000000000740000-0x0000000000746000-memory.dmp

          Filesize

          24KB

        • memory/2960-25-0x0000000000720000-0x0000000000726000-memory.dmp

          Filesize

          24KB

        • memory/2960-48-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/5016-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/5016-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

          Filesize

          24KB

        • memory/5016-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

          Filesize

          24KB

        • memory/5016-3-0x00000000006F0000-0x00000000006F6000-memory.dmp

          Filesize

          24KB

        • memory/5016-17-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB