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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2024, 06:05

General

  • Target

    2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe

  • Size

    60KB

  • MD5

    c36f08de0e4fd891e5b296fa1aff3ef9

  • SHA1

    33edd804164f63a79015ddac3581f11b704dd8c0

  • SHA256

    4b67fec7eb0d4f6994dd39774e22745e3bdc882ba771cd158544732eed16122c

  • SHA512

    6fcf9bc10adced6c87b1d4307428e3d4dad8d4f0a07f840061cea0e8575b3893c9f2eff94c40be8921f7e63c34ff6cf64fcf4b294aa95b070ef7945fe92c8c24

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMTI3:TCjsIOtEvwDpj5HE/OUHnSMp

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 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\2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    8c9a6d3cd257796b6f5a745e5b670070

    SHA1

    0354224884846d9803a0c0bb5c831f3a38ae85f7

    SHA256

    615b6ea9eea6539b9f351566885da9a091fad08b2964aefe03954c7c30eb5da2

    SHA512

    633dbe5208d799965dd9348eec69cfd59153047b30100106b5a235145f3ebcb980e7750f86852af016e2a5933fee1d48b94cbafba98f11b3e7f7bf2a5265d214

  • memory/2052-16-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2052-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2052-18-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2052-26-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2492-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2492-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2492-2-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2492-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2492-15-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB