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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2024, 02:58

General

  • Target

    2024-10-12_92890a54d0da70049c2ec1cb38ec8686_cryptolocker.exe

  • Size

    73KB

  • MD5

    92890a54d0da70049c2ec1cb38ec8686

  • SHA1

    4ae1c5c36f56f32696c0883349c9fac8f1be3054

  • SHA256

    e92c84210295585d1408c86693f1424ede5026292b61f4cd3c6b3da293828f8c

  • SHA512

    00b80be2655a1dd863cd24cbb19eae78953094926872f596b74b239ebaf6ccb383187df20e11fe738233b610cb6df2b466461a1954f718615e2b859e0bd7d922

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Re:vj+jsMQMOtEvwDpj5HZYTjipvF24nW

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\2024-10-12_92890a54d0da70049c2ec1cb38ec8686_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_92890a54d0da70049c2ec1cb38ec8686_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    d527bd3444d15567e70ce0d6fb82541f

    SHA1

    7272418132ef16c40d37d6338c351aecb23ad2de

    SHA256

    28cdbc3a0ead8aae911fa1cd2a59ad02b96a9afddf1a373a753327fcdc9637dc

    SHA512

    7a8b791c861270ebe0935c1b23856541708b251e379dc2de40460104feafb60dfc4db97bb3373837572aab2e1cf1f67b3224281ea673ee034cc71ab17fe256f7

  • memory/1976-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1976-1-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/1976-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2472-15-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB