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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 15:22

General

  • Target

    2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe

  • Size

    35KB

  • MD5

    4e7b8417a7ba6dbab9ed868c3d781262

  • SHA1

    2441f818862c743936b5e8ff0dfe5560b30defc4

  • SHA256

    a13c7ce1757e7db7fd31d6ce8363ad3e4100c04f2709586bdf8aeb657ea4216d

  • SHA512

    37f387ec8c4ce02809c0814679cebf4125c0c1570e747f41163bb3b68a510e8db53c2c7fb90bc55aed523f5a4abc2801ca8732f564c443d79d57f1f4887ab536

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuadQd:bG74zYcgT/Ekd0ryfjHd

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    892ea659b34690950b5dd0ee031d0fe3

    SHA1

    e0146330da384139b46b6b57623ad16e59ba78fb

    SHA256

    22352eba57b1ea96beeeb296a8de4cfb5ac244fbc8536bc0642df6ebcc81c156

    SHA512

    e6abc9c90841e44be980de54425947c708a68ffea6f76f03274fbb6cb1d1bc7cd031f443d32953a731a5cbf96b69abecfc12b9c454aaf0c0fea7555b352c7ef1

  • memory/1756-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1756-1-0x0000000001B40000-0x0000000001B46000-memory.dmp

    Filesize

    24KB

  • memory/1756-9-0x0000000001B40000-0x0000000001B46000-memory.dmp

    Filesize

    24KB

  • memory/1756-2-0x0000000001B50000-0x0000000001B56000-memory.dmp

    Filesize

    24KB

  • memory/1756-14-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2180-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2180-24-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2180-25-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB