Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 18:51

General

  • Target

    20240521f0e442e3b9dbb1f0f3fb04f835b9cb19cryptolocker.exe

  • Size

    37KB

  • MD5

    f0e442e3b9dbb1f0f3fb04f835b9cb19

  • SHA1

    77e45166128ee3262748082fae51203135e85300

  • SHA256

    6ebb26a5ec3986e65fe97a69d25cb8295a027500ed6a28654cb82c3af94d1297

  • SHA512

    a3b05061e8258dfcef830f3af838eacbfdee72733682d0399494e0e040bd5fa8be2d22fa88d24adf499b899ee2ae363322a0bbc77d5b8bcc4bff47e1956ad0f5

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4W:fT+hsMQMOtEvwDpjoIHW

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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240521f0e442e3b9dbb1f0f3fb04f835b9cb19cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240521f0e442e3b9dbb1f0f3fb04f835b9cb19cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2956

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\misid.exe
    Filesize

    37KB

    MD5

    41ad570a55c46e34edf8029820f1f070

    SHA1

    cc020fea461516a24fc1ea1b4f178d0eb4fdaa42

    SHA256

    12f358caebe313e591d5518cf6ed96665703fd14373e04e38a930e7e80b21832

    SHA512

    c6643ec4900a0d414cce16320e693b2207b878a04e5f671a9a745d14131965f44ba20558a6d0b2fd6fde76649cd1d5fce6afd10ce626d1fc039077d8f35313d4

  • memory/2912-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
    Filesize

    24KB

  • memory/2912-1-0x0000000000460000-0x0000000000466000-memory.dmp
    Filesize

    24KB

  • memory/2912-8-0x00000000002C0000-0x00000000002C6000-memory.dmp
    Filesize

    24KB

  • memory/2956-15-0x0000000000470000-0x0000000000476000-memory.dmp
    Filesize

    24KB

  • memory/2956-22-0x00000000001D0000-0x00000000001D6000-memory.dmp
    Filesize

    24KB