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Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2024, 21:22

General

  • Target

    2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe

  • Size

    28KB

  • MD5

    1b81b145b0e96e9b2be7aafb0f51ed5f

  • SHA1

    162a7d7138cff2fee0e5ce419778a8c82d4ecd82

  • SHA256

    2dfccd6661693e3229cb1e95029e4cbca4c7661dcc663298b061012413a03058

  • SHA512

    aee69e717566fdf7dd76adf0164ac68a1f815210ff6745fef8a75bbf2bebce1ae7d18b510fbd6061b23b0c97c3b38b5faff27e513fcb3d7ebe2eaf99ac51f49c

  • SSDEEP

    384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt3:b7o/2n1TCraU6GD1a4Xt3

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 UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\rewok.exe
      "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    28KB

    MD5

    f52d2af45dd930005b1c52659ebe9fbc

    SHA1

    6e5ff1b456d39bec8d02ee0f8d9838d0cb3504bf

    SHA256

    b224033476d7a0ae8b71485dcc2aa03b660387818e0e5566865bc7d783ddabc3

    SHA512

    9621c0fcd6195caf11fd74765a215882082312699e8fd2cd9de986da9c9f9b0955a27c8033a51a8ad492f35b90c886619b26dc3f44499358238709c1af96f7b5

  • memory/2712-8-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB

  • memory/2712-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2712-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB

  • memory/2780-16-0x0000000000260000-0x0000000000266000-memory.dmp

    Filesize

    24KB