Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 22:12

General

  • Target

    fbe6b91027cb7e30049c445bb59eaee7.exe

  • Size

    50KB

  • MD5

    fbe6b91027cb7e30049c445bb59eaee7

  • SHA1

    39d74d6582b2c5b53425f2db19b33e4084af3efc

  • SHA256

    9651bac25ff2444aae79d2ff6c4d70b7601cfb6ffb707d3dc859d12d72c2fe26

  • SHA512

    5e7d81eb1431c94f851fa7eadc6f84b07f6c2a748ea8958abea76c99085329674c1371d213a86100f0ea51f08461841abdb0cfbbf7600b1102a8ddab0a57438b

  • SSDEEP

    768:lk36n/crFq0Ftq4QR02tvOP9YDLTpkiH+UGOnkcQ6lkxL2uaj26SkN:u3ucrFZA4q02tqOTam+P1r/aLSk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:424
    • C:\Users\Admin\AppData\Local\Temp\fbe6b91027cb7e30049c445bb59eaee7.exe
      "C:\Users\Admin\AppData\Local\Temp\fbe6b91027cb7e30049c445bb59eaee7.exe"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe ›3w°ã.x¨ü,Activate
        2⤵
          PID:2380
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\fbe6b91027cb7e30049c445bb59eaee7.exe"
          2⤵
          • Deletes itself
          PID:2976

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\removalfile.bat

        Filesize

        43B

        MD5

        9a7ef09167a6f4433681b94351509043

        SHA1

        259b1375ed8e84943ca1d42646bb416325c89e12

        SHA256

        d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

        SHA512

        96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

      • \Windows\SysWOW64\nnnoomm.dll

        Filesize

        40KB

        MD5

        64f1beaf4bd64585802ba713e9982e7a

        SHA1

        27b0e2c0d377de979374123151bd3077d1f9a14a

        SHA256

        44a89b27d079cf020913dfc309afe25f9526e226b80eee6dceb0b30f07e852c9

        SHA512

        9fe08e3f679de244226ffed2eff7b3a239202ba3a71001813da91736441637407b0a050709108e2f8b4e4da4f99f970ba5072d8cd6826073e67b0a85722d4f4d

      • memory/424-5-0x0000000000140000-0x0000000000141000-memory.dmp

        Filesize

        4KB

      • memory/2480-0-0x0000000000400000-0x0000000000405700-memory.dmp

        Filesize

        21KB

      • memory/2480-6-0x0000000010000000-0x0000000010011000-memory.dmp

        Filesize

        68KB

      • memory/2480-14-0x0000000000400000-0x0000000000405700-memory.dmp

        Filesize

        21KB