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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, 05:23

General

  • Target

    2024-05-21_cb367e4008a624c53e85f3873a6f6bfc_cryptolocker.exe

  • Size

    44KB

  • MD5

    cb367e4008a624c53e85f3873a6f6bfc

  • SHA1

    085638b906f73a6fff345a1a4cd9e96d0d4dc5ec

  • SHA256

    48a63229cb8fc011d664e7e19dbf66bdecff5c3cc030adc644a56ee0a16e0687

  • SHA512

    4735f18408fba8939d3d5ae2c9007299ce723667f2da8303bedba1d7b680fee866e41ad0dbc0a0a20ab7486193c8ed49646776f6095cb44cd20dcea10562a6a1

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDUIDw:bm74zYcgT/Ekn0ryfjvw

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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_cb367e4008a624c53e85f3873a6f6bfc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-21_cb367e4008a624c53e85f3873a6f6bfc_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2124

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    36ce88b272590a42b8abb158cf3a4d16

    SHA1

    f5c5ccb356341334e5848af77ffab1969d3d54f1

    SHA256

    5e2c8980859bda762de05bfafb2bd4803bf2f93e434144f1690ceea6f7c451cb

    SHA512

    b4871bad56b36aa75997efdc502ef243295f65b028c385ab1a668ec028237560b71a62557ea25fe56f1fab1563050a6699fe0effe9260a11a33e6ce4120b9f5b

  • memory/2124-16-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2124-25-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2384-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2384-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/2384-2-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

    Filesize

    24KB

  • memory/2384-10-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/2384-14-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB