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Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/03/2024, 02:50

General

  • Target

    2024-03-20_6851b45daff176ba2850c18efee0eae9_cryptolocker.exe

  • Size

    41KB

  • MD5

    6851b45daff176ba2850c18efee0eae9

  • SHA1

    9c1686518d32c3021fced769b8932f0bc1267527

  • SHA256

    754d556b2751ec2c96159ca3e52539a9b2a01af8cd2e9767ef8358b1f0d0ce19

  • SHA512

    580f050d14c4dbd050dff9031d188cddbfb010ac1b733425a40ff215eec03d0ac13bf9582ebdb5cac64c2f97890021bd32d7f2d84cf3285fa799516b7b2dc46a

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/BJp:6j+1NMOtEvwDpjrR5

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 5 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\2024-03-20_6851b45daff176ba2850c18efee0eae9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-20_6851b45daff176ba2850c18efee0eae9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    64f15ef46074cf0cf16a70b2ab198d4b

    SHA1

    1e446b0b1fc7b2b417cab3433e9f496a00a7a565

    SHA256

    5b8405b397df3c64dba7af4f2392a59ffa8f18b061363f6611a073498bee997a

    SHA512

    446b24ee972883ed922f134065a47c79e481d037cc972a8861f2d0316714518b7bd871589312f3abb953a003e001dc40e0e8688c415bc5b7099df755c3735a55

  • memory/1736-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1736-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1736-3-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/1736-2-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1736-13-0x00000000023C0000-0x00000000023CF000-memory.dmp

    Filesize

    60KB

  • memory/1736-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1736-26-0x00000000023C0000-0x00000000023CF000-memory.dmp

    Filesize

    60KB

  • memory/2820-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2820-19-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2820-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB