Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 19:54

General

  • Target

    2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe

  • Size

    80KB

  • MD5

    ca4e2eb1d7c206fb0ce025fa5ec7638c

  • SHA1

    e9e9f71c907559f4a04b59603823ec293d7a035c

  • SHA256

    85e1faa1d8dd2ab9f474eb70d52e8250b10a88411c7ad248723b0373bec07267

  • SHA512

    7149af60ee28f3a262a88a01afa44f3c339dd5a0bc227c7c989397a1746ef1d850064565d01679b3e783326ead2a9c9304038980a35f2a9c5c3018a1d564d0cf

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqk:vCjsIOtEvwDpj5H9YvQd21

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    81KB

    MD5

    a2d2e2270efd2690cc7d157700c07c9d

    SHA1

    c9320c1d45c24cb0553e6d700d294ad7b54981e2

    SHA256

    7a615c5b85a1e6f488782832bc5a7453254bb5c4e9c3b46a11b44f7668a2fd38

    SHA512

    1c5185d6e5bf446de40100f40aee81300ed7a18850a9adfeb683a4a9021948f95b9af3fb70456638dc6de4ea0532f5401ba2f3cf2828ae1149ac6cccd96a9eb0

  • memory/2380-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2380-2-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2380-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2500-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2500-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB