Analysis

  • max time kernel
    133s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 08:25

General

  • Target

    2024-08-29_06f01d8197bcd5485211425eac808086_cryptolocker.exe

  • Size

    51KB

  • MD5

    06f01d8197bcd5485211425eac808086

  • SHA1

    dd7180da2a041d19e5d99c27c7a531b660e15184

  • SHA256

    e5bed9332a70ddd75bf5b57fbe6ed17ee7d2af143c777ec883231b6ea96c126c

  • SHA512

    0939b87d648df5d01b4158ecfc772859324fed3560989adea353889d61a94c7c789654eecc8e63796331f2d71ab660291f6332c20fcef501e267487f928816bb

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nT/:vj+jsMQMOtEvwDpj5HczerLO04BI

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-29_06f01d8197bcd5485211425eac808086_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-29_06f01d8197bcd5485211425eac808086_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4020
    • 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:4784

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          51KB

          MD5

          8653bb324e5ba4003976a2f22e426393

          SHA1

          bd5414e3fd0b7d0fef32b8e84a21e1814e2e482b

          SHA256

          430e4e37fbcf78f0bddec34189492fbda49278e1391142d7dc7f39f5865b1c19

          SHA512

          8d242f014d3ab1cde38d47fb997b3d3d9a9f5ef443f0648a7d65311dfa831fae99b02ef35280345dbce23bb547f1da50f3973ec4e2880723348a12e3f2b4d9cf

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/4020-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

          Filesize

          24KB

        • memory/4020-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

          Filesize

          24KB

        • memory/4020-2-0x0000000000710000-0x0000000000716000-memory.dmp

          Filesize

          24KB

        • memory/4784-23-0x00000000004C0000-0x00000000004C6000-memory.dmp

          Filesize

          24KB

        • memory/4784-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB