Analysis

  • max time kernel
    7s
  • max time network
    11s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2023 17:28

General

  • Target

    NEAS.cf4d055172f057649f428b77b1fc2890.exe

  • Size

    45KB

  • MD5

    cf4d055172f057649f428b77b1fc2890

  • SHA1

    3f43726d4945b80c8e8eacb257df872e8f52adea

  • SHA256

    f2601c4d9904a9874ee6a9fc25b07f20b47f9f1ab18b569702b7b4272801d706

  • SHA512

    b2df44702012adda30be81156b55f99b38658babe2fda02857ccae1b6a7e177d49fcfb2aaf845b44bc8fd5670a29a7d76c06efdb2d59dd80988fdd2cfb8c6139

  • SSDEEP

    768:FhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:XsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3448
      • C:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.exe
        "C:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3844
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3044
    • C:\Windows\system32\taskhostw.exe
      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
      1⤵
        PID:2640
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
        1⤵
          PID:2448
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2432

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2432-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

            Filesize

            24KB

          • memory/2448-16-0x0000000000400000-0x0000000000406000-memory.dmp

            Filesize

            24KB

          • memory/2448-13-0x0000000000400000-0x0000000000406000-memory.dmp

            Filesize

            24KB

          • memory/2640-19-0x0000000000A60000-0x0000000000A66000-memory.dmp

            Filesize

            24KB

          • memory/3044-5-0x0000000077502000-0x0000000077503000-memory.dmp

            Filesize

            4KB

          • memory/3044-7-0x0000000000A80000-0x0000000000A86000-memory.dmp

            Filesize

            24KB

          • memory/3448-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

            Filesize

            24KB

          • memory/3448-6-0x00007FFAA8C8D000-0x00007FFAA8C8E000-memory.dmp

            Filesize

            4KB

          • memory/3448-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

            Filesize

            24KB

          • memory/3448-17-0x0000000002340000-0x0000000002346000-memory.dmp

            Filesize

            24KB

          • memory/3572-18-0x00000000007B0000-0x00000000007B6000-memory.dmp

            Filesize

            24KB

          • memory/3844-8-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/3844-9-0x0000000002230000-0x0000000002C30000-memory.dmp

            Filesize

            10.0MB

          • memory/3844-0-0x0000000000400000-0x000000000041D000-memory.dmp

            Filesize

            116KB

          • memory/3844-4-0x0000000002230000-0x0000000002C30000-memory.dmp

            Filesize

            10.0MB

          • memory/3844-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB