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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
    10/03/2024, 16:31

General

  • Target

    2024-03-10_9d982b3235682b1b329ededc473d56b8_cryptolocker.exe

  • Size

    63KB

  • MD5

    9d982b3235682b1b329ededc473d56b8

  • SHA1

    87a37c3a3167c8fecca45226f7a7a41b3fa8ce70

  • SHA256

    9cf1e5b77f7e4471accb16077cd4375325b2ab048d7c5f229052327c9851b7de

  • SHA512

    c549275a75354a76f988c19be6975d3a34ff94f4840e64439e1e80dc726070c612964f6519decbcbd617cb749dd60cca8d161ac42ae398f06e75aadcd8cd8b1f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEKIRQ:6j+1NMOtEvwDpjr8ox8UDEKKQ

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\2024-03-10_9d982b3235682b1b329ededc473d56b8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-10_9d982b3235682b1b329ededc473d56b8_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    a10a5d2c74e5bb4af969192e6cf8191a

    SHA1

    0189f85e79041271b7f3c51c3775edb69021179b

    SHA256

    a767d3f2411cb105b34a255a26b5f4e1bfdf1972e9ef4440efbbe68fefaeaa94

    SHA512

    01ac4ef73dfc5674289fbbd89c3ad4b883c6187506f9895c7cf80a11d4be00c5702c69a2fae926c19b6f3d6386a23209054fe1d0bd8a7039bf76a4b8c10f8f0c

  • memory/1680-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1680-18-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/1680-19-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1680-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2168-1-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2168-0-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2168-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2168-3-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2168-14-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB