Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 11:24

General

  • Target

    2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe

  • Size

    39KB

  • MD5

    4c7064174b872b8d7086694704e135c7

  • SHA1

    779d5c995094badd408f22b1a8e7b03caf2beb83

  • SHA256

    56b9f616185b04f68953da9b8438ddc36c35a89f43ee17468fd2884aec9eab45

  • SHA512

    432363f2424a2240cc8969e3c2fc0550030cb89707e8cfa4fe3d216f41c2a926f359dbc8817a8a40d191396827637ea64fa7c735c14b941e2999d5b311c10c22

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITW:qDdFJy3QMOtEvwDpjjWMl7TW

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-09_4c7064174b872b8d7086694704e135c7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2572
    • 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:3068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          39KB

          MD5

          3bad014301d7655250d2e13d800bdb88

          SHA1

          e4f09c81bbd39d8dbda9688a73bb4a99f2e00525

          SHA256

          a661455bf16772d12a3b7a207823e0a8044f9e9077f7ad025381044524e3b4b4

          SHA512

          01e0b6dabbda989b6cf78c624f6ba14af4144884e430311e8a5d289cc1ee871cfa703bb635f2710bf7ffb7cd29cd48f7365bce8dfdf564f1a9a511d79ab62f6c

        • memory/2572-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2572-1-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2572-2-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2572-3-0x0000000000460000-0x0000000000466000-memory.dmp

          Filesize

          24KB

        • memory/2572-16-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/3068-17-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/3068-19-0x0000000000480000-0x0000000000486000-memory.dmp

          Filesize

          24KB

        • memory/3068-26-0x0000000000440000-0x0000000000446000-memory.dmp

          Filesize

          24KB

        • memory/3068-27-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB