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Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2024, 17:07

General

  • Target

    3e89c8589d66f39ae87054b415d42bbb.exe

  • Size

    316KB

  • MD5

    3e89c8589d66f39ae87054b415d42bbb

  • SHA1

    a23510bd3cceb53e569dfcb2d0112fea0e3555df

  • SHA256

    b7862ffdcd2897865701aa8a29cf374a957e0a0cf954ec6fcbf84c11719fee70

  • SHA512

    21e44defbbd14a50ce635dab58ab6984cd9c4f4ccdc2663543a41485d2eeb134dedc4a3b14581527cbcf810deaab79f0787ad6e24b843707933a0617537f4d76

  • SSDEEP

    3072:k4OzU5gn/OdmLGeCfcpwA5f3CEoEtUMbfT:VOzvOK7cKiED5

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 52 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\3e89c8589d66f39ae87054b415d42bbb.exe
    "C:\Users\Admin\AppData\Local\Temp\3e89c8589d66f39ae87054b415d42bbb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\xuofe.exe
      "C:\Users\Admin\xuofe.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:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\xuofe.exe

    Filesize

    316KB

    MD5

    2c00d4b23909659a51be1373c56493ee

    SHA1

    7d706bdda58c50dc1720daafa60917d30e75f19c

    SHA256

    a310ceefe868bffeef17515cd93156fd6c01e07b96eeb38ddeebd5ebd33acf69

    SHA512

    f9f3913e683983882e67d743c3f4b8c4b3350b4bceb5cc208a2989e04e0be21a8c593cb415a75bf7f301731d5c71aad5af367d38d3aa206eb4bda95651618c24

  • memory/2136-0-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2136-9-0x0000000003150000-0x000000000319A000-memory.dmp

    Filesize

    296KB

  • memory/2136-17-0x0000000003150000-0x000000000319A000-memory.dmp

    Filesize

    296KB

  • memory/2788-16-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB