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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/04/2024, 19:18

General

  • Target

    27c3da81b80c10c5041f1083d568b778.exe

  • Size

    48KB

  • MD5

    27c3da81b80c10c5041f1083d568b778

  • SHA1

    c2332153a421351275f6ba9cd3476d40d38f81b2

  • SHA256

    d28e6dec073a1f9a47a3700225008096f8185095f94be2e1cd3a6b14615d590f

  • SHA512

    eccc70dba76834b608b76898622fd8c9b42f2990b53d109f12987170c9ab6af79716d7798099ea196a10132cd8ecfa5d087b84928b514192e74f4c32baf2f2d5

  • SSDEEP

    768:QbuipFA13weNFSmOEgYJ0+wIs+cN+Tnc/9/8IZnS0R0TYWfHenHLqHCTHgpQO0M:ctA1geNFSvEA+wMcN+Tnsx5S0REQO0M

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 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27c3da81b80c10c5041f1083d568b778.exe
    "C:\Users\Admin\AppData\Local\Temp\27c3da81b80c10c5041f1083d568b778.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\rauoza.exe
      "C:\Users\Admin\rauoza.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:2156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\rauoza.exe

    Filesize

    48KB

    MD5

    8e4c0a94978a52fa21f8e53901d840d1

    SHA1

    dd20dbfe7332bee6dcac670bb8ec5324c1a3e65a

    SHA256

    97528e7628e1ea72d9f6d9ecd3532654b01d6902abb6751ef321609b0928af27

    SHA512

    e3c8f1fdd8b727390c9788d310460eea0a1237ab7423db4cd56c498c794da478b3064eca5c63dec940172769f82f7dc8170a559e7e229e1dadd89883ae139546