Analysis

  • max time kernel
    130s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2022 17:55

General

  • Target

    28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642.exe

  • Size

    96KB

  • MD5

    d2648d277a22b438236af3bfe5421582

  • SHA1

    146489af6ee05c0504bd37896435e03ee0d8f261

  • SHA256

    28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642

  • SHA512

    9f61b856d199e316ab88578d977950537d87e101c5c33ec857d52688b582f2dbd3b5bcfbb5386bbfb7cd1fc9aaeb3b412a7d603bf31544fe35c4198dfafba1ef

Malware Config

Extracted

Family

netdooka

C2

93.115.21.45

Signatures

  • NetDooka

    NetDooka is a malware framework distributed by way of a pay-per-install and written in C#.

  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of FindShellTrayWindow 23 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642.exe
    "C:\Users\Admin\AppData\Local\Temp\28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\system32\ping.exe
      "ping.exe" 1.2.3.4 -n 2
      2⤵
      • Runs ping.exe
      PID:1984
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" start protdrv
      2⤵
      • Launches sc.exe
      PID:1700
    • C:\Users\Admin\AppData\Local\Temp\ougdwieue.exe
      "C:\Users\Admin\AppData\Local\Temp\\ougdwieue.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\SysWOW64\runas.exe
        runas /trustlevel:0x20000 C:\Windows\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:112
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          4⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:1728
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            5⤵
              PID:676
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x108
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1484

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ougdwieue.exe

      Filesize

      88KB

      MD5

      6e5359512d113b246e085e39d9a950d7

      SHA1

      a29470ea2f32ffc8389aba74af1ee26e282ccc9a

      SHA256

      ab7d39e34ad51bc3138fb4d0f7dedc4668be1d4b54a45c385e661869267ef685

      SHA512

      cca7543efb7412a7ced80aa0a9227bdaae5959f7ecafc4a659e0f4d0ddb15e4ed7c7cb07314f04b47211e6c700f005d3aeee06e6eea847398fd804b78f4325d0

    • C:\Users\Admin\AppData\Local\Temp\ougdwieue.exe

      Filesize

      88KB

      MD5

      6e5359512d113b246e085e39d9a950d7

      SHA1

      a29470ea2f32ffc8389aba74af1ee26e282ccc9a

      SHA256

      ab7d39e34ad51bc3138fb4d0f7dedc4668be1d4b54a45c385e661869267ef685

      SHA512

      cca7543efb7412a7ced80aa0a9227bdaae5959f7ecafc4a659e0f4d0ddb15e4ed7c7cb07314f04b47211e6c700f005d3aeee06e6eea847398fd804b78f4325d0

    • memory/112-62-0x0000000000000000-mapping.dmp

    • memory/676-66-0x0000000000000000-mapping.dmp

    • memory/1052-68-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/1052-58-0x0000000000000000-mapping.dmp

    • memory/1052-61-0x0000000074E81000-0x0000000074E83000-memory.dmp

      Filesize

      8KB

    • memory/1052-67-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/1348-56-0x000007FEFB771000-0x000007FEFB773000-memory.dmp

      Filesize

      8KB

    • memory/1348-54-0x000007FEF33A0000-0x000007FEF3DC3000-memory.dmp

      Filesize

      10.1MB

    • memory/1700-57-0x0000000000000000-mapping.dmp

    • memory/1728-64-0x0000000000000000-mapping.dmp

    • memory/1984-55-0x0000000000000000-mapping.dmp