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Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2024, 15:50

General

  • Target

    2024-03-06_d7262fb06d4368b977ac068d74a68a17_cryptolocker.exe

  • Size

    39KB

  • MD5

    d7262fb06d4368b977ac068d74a68a17

  • SHA1

    a2a88d949c553506cb4946181c8035890608ea50

  • SHA256

    dc029e968124764e890d34012b47a56097a5ce9e69cb9d8593caf9b5437d03c4

  • SHA512

    abf1c43a6538fff48b76e3d3273ba57ee651f4984a09f166d44fb40017c311fb79f3f954cd8ec3d38f13cca142418d115997b50a8715e9896552e2e85ceb3aa6

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpj66BLtldJQp3v2Z:i5nkFGMOtEvwDpjn/JQxM

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2024-03-06_d7262fb06d4368b977ac068d74a68a17_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-06_d7262fb06d4368b977ac068d74a68a17_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    ff4f606402cbef8399f5b88809a776cb

    SHA1

    fd1070bcbadd1d865eebb79ee2a09c440e186866

    SHA256

    322a3cd5825c49885124aa4959e0f8f0c06ae79db46435d8f8b1a6ed7ffc5390

    SHA512

    e68fab65e2280d15730c6d828e0ba317b44938ce9dc6d2d932b393e58f0030deed9b10406c15982a58e1a056eff2584eb12399a62e18c559c46cb21ab580f9e7

  • memory/2632-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2632-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2632-23-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2632-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2656-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2656-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2656-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2656-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2656-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB