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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/05/2024, 15:23

General

  • Target

    2024-05-26_03d12636f5052f8efd36b07d324cffc7_cryptolocker.exe

  • Size

    44KB

  • MD5

    03d12636f5052f8efd36b07d324cffc7

  • SHA1

    60e4dbe608bf8c65a6e55db513446ff609d96bd8

  • SHA256

    eba7909c2548d4176a1571f2f81c1d4e15092cb8954d5e00b1d5f95556d41bc5

  • SHA512

    897e617685987edf964ab1fb4f4ffbadbfc43272e6ebdccbfb2a13bc881d66b4852a5ef0419ef6b99209203e63c55bcd2e2d45cdac538b79fabf2cae571e0fab

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMD9:6j+1NMOtEvwDpjrRrx

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2024-05-26_03d12636f5052f8efd36b07d324cffc7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-26_03d12636f5052f8efd36b07d324cffc7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    0956b07e88a0f1281b314b880733df6f

    SHA1

    b17ed32c36b9ec3ec0bf78347f1b00ce8008c33f

    SHA256

    fc1b978760bd5e61eb8d8e791e2fcd7184a942416b0c6cabf46d49ee3409fd57

    SHA512

    47967e5031bca23fa2752adec970391bcc42a96b5d7fd50a0846b4dc9f9b6545f95e4410937330bf3cd3e1214e603169068222a90a7b6c62d9b209732535d1e6

  • memory/2036-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2036-1-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2036-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2036-9-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2036-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2520-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2520-18-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2520-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2520-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB