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
    10/08/2024, 04:47

General

  • Target

    2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe

  • Size

    391KB

  • MD5

    787436f56dd14158a68ede5c15629490

  • SHA1

    160b8bdfe2916bb790f1f266472106aa198f40aa

  • SHA256

    e3e775182f0e747075a74d63dd1f2fb36a5a494671c16271170cd6a210cbb59c

  • SHA512

    805e0b5450de5124685da19d6b024ac5be37fa0886bfc9655287d5a1b8e5f947d4659c288ad4b00e82e7dbd704361ec6eb3969e1cf2188f2ae345a1f8bb6b182

  • SSDEEP

    6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRd:nnOflT/ZFIjBz3xjTxynGUOUhXRd

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\2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1944

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          391KB

          MD5

          2b518ef8d2bb593d5ce8f0a425f5d3ff

          SHA1

          b6492729910de7df25bc522567dba0013b17cbf7

          SHA256

          6d0873375ef777e51a5e7c0c6a379df47ad86fa83936c5a1943878b44a139baf

          SHA512

          6bdfcd272069c063a699c0f23c2d174b7c74ce084a05c3a3e05cd2690b25293377e27bc0ab1f5a6a2a0eaac41b17865a72e0c65ef7afa1f62bfce62c3b1c3ebe

        • memory/1944-15-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

          Filesize

          24KB

        • memory/1944-22-0x0000000001C80000-0x0000000001C86000-memory.dmp

          Filesize

          24KB

        • memory/2780-0-0x0000000000360000-0x0000000000366000-memory.dmp

          Filesize

          24KB

        • memory/2780-1-0x0000000000380000-0x0000000000386000-memory.dmp

          Filesize

          24KB

        • memory/2780-8-0x0000000000360000-0x0000000000366000-memory.dmp

          Filesize

          24KB