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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04/06/2024, 16:54

General

  • Target

    2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe

  • Size

    50KB

  • MD5

    2188ca82dba1154bddc92550bfbe0995

  • SHA1

    babb78165edd0e78cd437db6f7e44879f771f0d2

  • SHA256

    10593242349478280ed240e160cb7333c5f27b4b801a962aea95a8fb4fcac0de

  • SHA512

    483813ed03a7f998f279c0cdb1316137480f7c20d9a4f5b5e82b974d54a45091894d6b265d65e1ec9feb8cf7fbd738190cac8d5cdbeceed2de989b20efde6969

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsm06MqV:xj+VGMOtEvwDpjy+viHs7pu

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • Detects executables built or packed with MPress PE compressor 4 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\2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-04_2188ca82dba1154bddc92550bfbe0995_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    45664a4f5bd53cf6c716552ad93c298c

    SHA1

    7f2b668af1d8408f6a21f4892094cc2f35304f49

    SHA256

    f03b18533dfac511b369bc59096b29d83b4c5e4e54252d459b1f35a75f28acc5

    SHA512

    db3d86ab9e9308beaa34adc5f3c9e00076e5fa019bddb26ebe10990b6e14bdf5652c06fce6cd4224ed5c848419d61871a00333e8d7e8e8b243681d0667ce67d3

  • memory/1044-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1044-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1044-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1044-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1044-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2548-17-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2548-25-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2548-24-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB