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Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 22:15

General

  • Target

    d9273115cf455e83a75d84f70fb6e06bcc1bb7bd7e32891de32d1884513e69fbN.exe

  • Size

    156KB

  • MD5

    8a3c0b95c383e63f7f4cc76cedc33c60

  • SHA1

    e5e191da2b69b36203cb0684d8d12982c02a4826

  • SHA256

    d9273115cf455e83a75d84f70fb6e06bcc1bb7bd7e32891de32d1884513e69fb

  • SHA512

    e347ed266a4bb92e3fab879bea917de65f3c9aa0d3f3b72c087d211cd66cf7c29d2af3637cd602a1b394f92f53dc3a4ef87f0cab85c47d5be9653d540e7107db

  • SSDEEP

    3072:cNMtUS4aZhJdxKPE+vgu36MN9vqKyHjm6I1JDVOc2W4oQZiEa+vM:Am7d0zvhqMN9vgjm6ILDVOAWcH

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 52 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9273115cf455e83a75d84f70fb6e06bcc1bb7bd7e32891de32d1884513e69fbN.exe
    "C:\Users\Admin\AppData\Local\Temp\d9273115cf455e83a75d84f70fb6e06bcc1bb7bd7e32891de32d1884513e69fbN.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\nuapa.exe
      "C:\Users\Admin\nuapa.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\nuapa.exe

    Filesize

    156KB

    MD5

    be2b958c3b9a12119c5524fa267da137

    SHA1

    9fd7b3e76653b262c853fb458a8fd7ba5baa9a36

    SHA256

    abb8842eaaf30beb1cee5437d634f276f05059d2b574d8b8918e4cf95713e225

    SHA512

    65219a1f990e74e48b3b980c9d57fe8712244068a37590fbd70bca357bab07ecb0a9166258e6ca0b9e6a92a19ca2f2184876b802daae96f61871168cebf3d987