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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 03:07

General

  • Target

    2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe

  • Size

    39KB

  • MD5

    eb1f30e65ae849ab5f3049aa3b60717f

  • SHA1

    dc2c49b11596b1a9d49a5fcc1455a3c77cf8adbd

  • SHA256

    1410c050ac644bf0b7696ca485baaeb1ccf9cc0c1b8d4a436919e319f82604e4

  • SHA512

    60c5e4aa95cb93cc0e56b5b93b3acd9a11762e906e6dc11fb55747c877759e024be256b2f88e8795ad0bdb5d93b5791916ffa20ce2579e3a0a2454c59e2045a7

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3Li:btB9g/WItCSsAGjX7e9N0hunRv+

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\gewos.exe

    Filesize

    40KB

    MD5

    92f9cb4ebf132a1ee2bb1be3ab4281ec

    SHA1

    3ba412f2b114d0f7e7e483a0364a0ead4c43dd82

    SHA256

    a1844d76bda775d71deb7440bb764f4e10db5a41dd55a8b58edbbf5028b3fc10

    SHA512

    48802e6150515de6446391d5530669ad2b64c234668a6ef81866ea093e868e2c7fb1ee8b47d29c5eb99f9aa195f161e15a41a4fa336312616e1024e1d65b260b

  • C:\Users\Admin\AppData\Local\Temp\gewosik.exe

    Filesize

    184B

    MD5

    a59c988c9f7406d1db18eeb49d28c3a0

    SHA1

    bc4fbb1242f91a90c2b173f81d0fd47cc5d9f55d

    SHA256

    cf62fe65404f87cad035019fda280aeac59976c758b9d23ee68b1bed6bcd2746

    SHA512

    ad225cdea667cf0bdb7f7b1d870abf96f932f804225d5a57b8ed24ce8732fbe80dff909f8f2e727fa625307e6b6ee17ab9034c40e8cd9b408e44caf35aa25e5b

  • memory/640-0-0x0000000002E90000-0x0000000002E96000-memory.dmp

    Filesize

    24KB

  • memory/640-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

    Filesize

    24KB

  • memory/640-5-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/3092-25-0x0000000001F80000-0x0000000001F86000-memory.dmp

    Filesize

    24KB