Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2023 10:48

General

  • Target

    2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe

  • Size

    44KB

  • MD5

    0f4b16be0052e0bab6698d9c9331844f

  • SHA1

    6ca9b24bef24dfee7266666e279c9e42b1c212f8

  • SHA256

    06b3b71920ef29235367f53be7040c9d8455e3d36e40916821709029eabc4619

  • SHA512

    e357e2a078cbf53e4a811dfaa71c8d81146d2fd736cb956e50406ebb0b08628b4822391e4ac3eb68ae127bebdad99ff2802329792fb5530b7bfb737a8a4c54ca

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXckd9d:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakd

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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-26_0f4b16be0052e0bab6698d9c9331844f_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    f0802b59367aea3b5582e36c7ccffcfb

    SHA1

    13502a5f93b041aa22a5ab1803025c4a969cc381

    SHA256

    f939cd3ec83c584bd02d35b57ee4aada3e2cd0727d2cdebcd7b05ba28e67fcde

    SHA512

    e6ecb9d31dc15ddb5378cd0983df735cda87a4005119993b72e98afa86ca897d161a688de59eea2b4f97865a912bd7423a0247ec63430c8f215bb12dbdd3b9e3

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

    Filesize

    44KB

    MD5

    f0802b59367aea3b5582e36c7ccffcfb

    SHA1

    13502a5f93b041aa22a5ab1803025c4a969cc381

    SHA256

    f939cd3ec83c584bd02d35b57ee4aada3e2cd0727d2cdebcd7b05ba28e67fcde

    SHA512

    e6ecb9d31dc15ddb5378cd0983df735cda87a4005119993b72e98afa86ca897d161a688de59eea2b4f97865a912bd7423a0247ec63430c8f215bb12dbdd3b9e3

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

    Filesize

    44KB

    MD5

    f0802b59367aea3b5582e36c7ccffcfb

    SHA1

    13502a5f93b041aa22a5ab1803025c4a969cc381

    SHA256

    f939cd3ec83c584bd02d35b57ee4aada3e2cd0727d2cdebcd7b05ba28e67fcde

    SHA512

    e6ecb9d31dc15ddb5378cd0983df735cda87a4005119993b72e98afa86ca897d161a688de59eea2b4f97865a912bd7423a0247ec63430c8f215bb12dbdd3b9e3

  • memory/2584-16-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2584-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2832-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2832-1-0x00000000003E0000-0x00000000003E6000-memory.dmp

    Filesize

    24KB

  • memory/2832-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB