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Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2024, 00:43

General

  • Target

    2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe

  • Size

    28KB

  • MD5

    9b2ecc70b2567a0f33e5743333665684

  • SHA1

    e3c62f4d42b402e579bc0940c2476c5f1f8bba4d

  • SHA256

    f7e40800de63813c1fa2a31c30bdabcbf8d0b98ee5038d8bd526bf80057be1d6

  • SHA512

    b8cb5e2ccb9344407f80c57e7c1cae8a7b5bdf21bdfadccb2051feae6fdc5990ed3745cec4c5c146994a13a11f43683828cfb88aa6d96d95f77166b4e7555cf1

  • SSDEEP

    384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoIW:b7o/2n1TCraU6GD1a4X3W

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\2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1856
    • 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:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    28KB

    MD5

    79682717a4b47ed51f9e1d3a5988d2db

    SHA1

    d8ef74df91942b8083ba308d4e4fbc59d7acdb36

    SHA256

    8129a480000c26d47ef4aed43c0d7cb12ec07991cff5d2fdb53d3d2a9e7618c3

    SHA512

    136d7a00be52c3549bf69c2136b02b0ae0f2eafee617c68980e20435d81738900614f340274eb5b5cb1a6f55f919b6aaca444047997d31093b1bbd4b5227aafd

  • memory/1856-0-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/1856-8-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/1856-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2384-16-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB