Analysis

  • max time kernel
    141s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:37

General

  • Target

    2024-09-05_e05d54f05f1bff0e264b11ff6417a238_cryptolocker.exe

  • Size

    66KB

  • MD5

    e05d54f05f1bff0e264b11ff6417a238

  • SHA1

    e9151e5b7ae23bc5a570dae0150253c759015d97

  • SHA256

    33687c6569c08977e659c179daf2be495890d87670d0d4eb96f57be9cf9109fc

  • SHA512

    3edd1ad1db772b21ce97508d355004577c80e15d2982f8ccbfb3cf5a8509953730428920d0ef67a6b1e55b48015858992b635533316a887bd9634dc09ea12180

  • SSDEEP

    1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsis:BbdDmjr+OtEvwDpjM8N

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\2024-09-05_e05d54f05f1bff0e264b11ff6417a238_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_e05d54f05f1bff0e264b11ff6417a238_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2612
    • 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:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    66KB

    MD5

    8a9aef262573d219ccb2c79956984520

    SHA1

    e809d536d79dfb290ce6e685e21a0d19a4972c79

    SHA256

    20bb100098e2a7b939637d71833b06e5acdf6a53d3ada1878a539f37dd03e9a5

    SHA512

    612d2508b2600652ec5a173b20d03f8d5542507f3e4e9bfe9c94660a0f19c5517285dd052adcb86c64adecb1db03b0bef0830e1a273a11b43e29159efe256fe4

  • memory/2520-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2520-19-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2520-26-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2520-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2612-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2612-2-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2612-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2612-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2612-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB