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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 15:27

General

  • Target

    2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe

  • Size

    47KB

  • MD5

    91d9a61da9c74832f1fda0d923eda472

  • SHA1

    a0080f131506295c5dc261a75524da15b4abd00a

  • SHA256

    21c265146c6702b6b3ad39fdfbef3fd086cec84d16e4ea8e47a03c17dff937b8

  • SHA512

    b88192a581688e92f4454e79cf46a1e4e374bcea1313a038e4c322005ed5399622394d4ef4e93a11ad296975c85ea75245021899eebae9025db2fe7e06f4adec

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAs:P6QFElP6k+MRQMOtEvwDpjBQpVX8As

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    351fc88cb5fb69e45d1c852cd0170088

    SHA1

    d57d49f7812676442dbf0fa1c49e9998d18daa3c

    SHA256

    922805496ece77d02ed8f82e67a3168a20db629ec4fda18bd27b5edd70a346fb

    SHA512

    f571b4677ad10a8418dd8e05d7ef645d74c475cdf6c4c3caba88e48e7a240f234b0e253f2988ed5a92bc57bcd725b6c32dddbd37dd2dbfaec907fe50646feee0

  • memory/2188-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2188-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2188-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/2188-9-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2188-18-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/4964-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/4964-20-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/4964-27-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB