Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 15:41

General

  • Target

    2024-05-21_08abdb9662f0e4c4e64377c3cb8d71bb_cryptolocker.exe

  • Size

    36KB

  • MD5

    08abdb9662f0e4c4e64377c3cb8d71bb

  • SHA1

    18d52529feaffceb09d6feacf3c57639e961401c

  • SHA256

    e98c3eeeeb99f3691ef90ac21cc8ae1778257e8ab2b352e7d91689332bb9a0a6

  • SHA512

    4410c27d8dc61170283d47a9febbe775a0e0e6447c51082329b4da513d0b94ad9ac5ff9b519a2243d09bea4ef7c47c47fe1615ed8b467104f6ac9d15d455944d

  • SSDEEP

    384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lx+Z4:bA74zYcgT/Ekd0ryfjPIunqpeNswm6+i

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-21_08abdb9662f0e4c4e64377c3cb8d71bb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-21_08abdb9662f0e4c4e64377c3cb8d71bb_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    49d20b9336c5eab6ad4d814cb0b99a7a

    SHA1

    3a6cb86a87e52e786dc9efaa974a12c03499cb95

    SHA256

    3d75d00dd4e81811c64fb43a8a32003a0e936cfdee086f5589674f50b636afc0

    SHA512

    ce2b1bb2ab8767400075b83cdd0897b5a330d1c2eedc11056a9d521f223bd6f159a2419555dfc649e6ed018e520338e3e7e18153fb5bc70edb586f4cba873ec9

  • memory/1872-0-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/1872-1-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/1872-9-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2768-15-0x0000000000580000-0x0000000000586000-memory.dmp

    Filesize

    24KB

  • memory/2768-22-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB