Analysis

  • max time kernel
    5s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 19:36

General

  • Target

    ae3bf46e7d8a23bcb652d4c401bd2faa.exe

  • Size

    54KB

  • MD5

    ae3bf46e7d8a23bcb652d4c401bd2faa

  • SHA1

    f1f2ce1e55425042e4a435de5756cdb3779cb285

  • SHA256

    b795c753801bab817e22cb80e681ea0a327040f9c160a3f69751ff09967609ce

  • SHA512

    fc5022ff54f3e76dfa7124447a8fd832c620c556a7ea2885f11afe3e0c764a7936f177a7e3311345a13e3bb0f183c4de3581d4c53c88c7fa5ef7b5cbd8a0e238

  • SSDEEP

    1536:ON7kU6dcFjfUXhXAXzXkkcUcks98kMEi7W:K7kR0ykcUcks98kMEj

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae3bf46e7d8a23bcb652d4c401bd2faa.exe
    "C:\Users\Admin\AppData\Local\Temp\ae3bf46e7d8a23bcb652d4c401bd2faa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Users\Admin\kfxueb.exe
      "C:\Users\Admin\kfxueb.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3044

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\kfxueb.exe

          Filesize

          4KB

          MD5

          ae9623bb0aec9580a214f143c3f5e304

          SHA1

          751e5946d9f6418cac50baeb6068abad12842c78

          SHA256

          bdff796c39cbc01b3fb5166a2e15a670d1f542cbba66a3fcb163b42012a1e043

          SHA512

          63c286751dea65788adc7837da6c7f9be6afdf567ceb50c6063fe8ab7cc3f1f79932b4cbf33e78bcc750373b7af6f6c08e0ed2270e7f5d3165f50c329b8328bc