Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26/08/2024, 06:51

General

  • Target

    2024-08-26_877110ff18dd589a4a5860a606b95e41_cryptolocker.exe

  • Size

    48KB

  • MD5

    877110ff18dd589a4a5860a606b95e41

  • SHA1

    51ecff17e30e1b298d630e6fb132792ef2470cf4

  • SHA256

    98b21755364becc5fe044a33916efa6794060c70a7a808046ba462d13633b11b

  • SHA512

    a5a57f67cbe5c887526ffdaa52443e85020fc7b15c6779d88afd620b5ca3ea1cafa9a5effae5b0ca04a89d8eb000d0e5d9e3d07dce0b973a5df91aeaca04a3f8

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPcf:P6QFElP6k+MRQMOtEvwDpjBQpVX/

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-26_877110ff18dd589a4a5860a606b95e41_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-26_877110ff18dd589a4a5860a606b95e41_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2848

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          48KB

          MD5

          ba1c751dff0a3c7e586b63eb30f36e77

          SHA1

          6759405faa8df8a0598047844816506aa33517eb

          SHA256

          72ce2934f01b9de86fb8c31baa2be521f99feaf3a81bb325be9f6315ecf626d2

          SHA512

          16902b67082566b4f52db7a7f93e5bce82d33573aa5a26a58b7afb1cb066862dd702e20009ab96bc0785922e52c62b594e5c42b7d253031b48adf3cb8abe1b37

        • memory/2432-0-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2432-1-0x00000000003C0000-0x00000000003C6000-memory.dmp

          Filesize

          24KB

        • memory/2432-2-0x00000000003C0000-0x00000000003C6000-memory.dmp

          Filesize

          24KB

        • memory/2432-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/2432-13-0x0000000002480000-0x000000000248B000-memory.dmp

          Filesize

          44KB

        • memory/2432-16-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2848-17-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2848-19-0x00000000004A0000-0x00000000004A6000-memory.dmp

          Filesize

          24KB

        • memory/2848-26-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2848-27-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB