Analysis

  • max time kernel
    135s
  • 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, 07:43

General

  • Target

    2024-08-29_7c1b3a63ad231349b3edb043f9eb3441_cryptolocker.exe

  • Size

    50KB

  • MD5

    7c1b3a63ad231349b3edb043f9eb3441

  • SHA1

    80a705e8a79e2aa55961a95c2f70cbca944737cf

  • SHA256

    0ab92c135651ec9e6d6653c5c4c9a05aabd33f38aeac877609400ed2a3ccb9aa

  • SHA512

    71206ea4d1f5d89caa93ebfa8b8b039c9f8c0c91a04f0eb746398597e8950865409db70a965f3a22e195a5d961ce58a03e5910c414d69f362486c25924ad89f8

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nG:vj+jsMQMOtEvwDpj5HczerLO04Bp

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\2024-08-29_7c1b3a63ad231349b3edb043f9eb3441_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-29_7c1b3a63ad231349b3edb043f9eb3441_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2868
    • 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:4744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          50KB

          MD5

          a76e9ce406576abdf599ed1ef6549479

          SHA1

          a2a7f347512781a0bec539d66cb6b5cf66964703

          SHA256

          ed910ddcfc1336ccb0012af7576fb08260ffd5f2534cb4bafb6a1d01d623965a

          SHA512

          1df2ff23148afd7af9f058af35823899017da4fb4a0ed347a8b8c6d062aee1f3c88ed6eefef8027b8386e1ff67310bca0b8a6a3aacf4ecb7cc5c67f326a7b3b9

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2868-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

          Filesize

          24KB

        • memory/2868-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

          Filesize

          24KB

        • memory/2868-2-0x0000000000600000-0x0000000000606000-memory.dmp

          Filesize

          24KB

        • memory/4744-17-0x00000000005B0000-0x00000000005B6000-memory.dmp

          Filesize

          24KB

        • memory/4744-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

          Filesize

          24KB