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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 13:09

General

  • Target

    2024-10-09_604f6d3f4592957034f4a92d12b02802_cryptolocker.exe

  • Size

    82KB

  • MD5

    604f6d3f4592957034f4a92d12b02802

  • SHA1

    0543373b27bcabe17b55fc5818ab547de5a2419a

  • SHA256

    8603e8c06151f8f15451896e53d2ac8bff96fc1d163475f77c8a22cf0919b040

  • SHA512

    20f5dcf3b63fcecc00f8de93c9b001a68d26963390d305b5e937822bffb66816bf8a615e55ef0fe41702696e86e1845dd1cdd3a2c3d14f1323e27f9003427a96

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUv1o:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8+

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\2024-10-09_604f6d3f4592957034f4a92d12b02802_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_604f6d3f4592957034f4a92d12b02802_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2740
    • 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:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    82KB

    MD5

    05f781cf38909a3ba0b9d349cccb760d

    SHA1

    0e20139ec6540b1bad555e98dd407025b2a1a066

    SHA256

    ab1eccb87ddfc5428b5cd5a154c087d960f97c35072f4d5c6fd67f9fb1a6de66

    SHA512

    aff642e2791fc73f3ec9e2ffea6bd3f21114029e320998b3b5f26ec7473ca92986d292eb2994bad9173ed06a5cea2a47b8dbf971507071957177ef961caba547

  • memory/1876-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1876-20-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/1876-27-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/1876-28-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2740-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2740-2-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2740-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2740-9-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2740-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2740-15-0x00000000021E0000-0x00000000021EF000-memory.dmp

    Filesize

    60KB