Analysis

  • max time kernel
    83s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 04:55

General

  • Target

    d61b98f74e0e61dae249b43f96e21d5180fc6928843b00f76b60ed359209005bN.dll

  • Size

    120KB

  • MD5

    7a04228c03d0ba86950174f6838aefe0

  • SHA1

    3f9ba7ba6cdf4a854fd546bf8554709c70fe23b5

  • SHA256

    d61b98f74e0e61dae249b43f96e21d5180fc6928843b00f76b60ed359209005b

  • SHA512

    89f658aaca3e6c124aa130287a58227eb69a2c1c5937bd07c9c3b5d75cb169d872cc00b3acbb1ef1bb9343dac37d7fbe59414c9621ba7b3551ba07bc2250f80d

  • SSDEEP

    3072:BIi5/A0JczZBhgE312GON0z+dsTjLJdqfY:Wi5/A09E3MJCKdw36Y

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 12 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 22 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d61b98f74e0e61dae249b43f96e21d5180fc6928843b00f76b60ed359209005bN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1644
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\d61b98f74e0e61dae249b43f96e21d5180fc6928843b00f76b60ed359209005bN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1924
              • C:\Users\Admin\AppData\Local\Temp\f769b65.exe
                C:\Users\Admin\AppData\Local\Temp\f769b65.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2084
              • C:\Users\Admin\AppData\Local\Temp\f769ceb.exe
                C:\Users\Admin\AppData\Local\Temp\f769ceb.exe
                4⤵
                • Executes dropped EXE
                PID:2728
              • C:\Users\Admin\AppData\Local\Temp\f76bb34.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb34.exe
                4⤵
                • Executes dropped EXE
                PID:2640
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769b65.exe

            Filesize

            97KB

            MD5

            1f8acc738d5970aad8464469e388280c

            SHA1

            27a4b08d5271c3a479427abe6fece3395b0f9aa7

            SHA256

            138d4df6ad413d6e4634de209409b096f899ad9d42a237c87ffc55e4bb027938

            SHA512

            9c115bdf824b38f35bc24d750d38b707286369bdb10c0fb6950e59d5c27f8a98c97e9b9fc8c109e04111380140193301e30d6e620aa268b2eb7c49e3eff83169

          • memory/1120-23-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/1924-161-0x00000000003C0000-0x00000000003D2000-memory.dmp

            Filesize

            72KB

          • memory/1924-54-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/1924-57-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/1924-56-0x0000000000380000-0x0000000000392000-memory.dmp

            Filesize

            72KB

          • memory/1924-39-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/1924-78-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/1924-79-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/1924-80-0x00000000003C0000-0x00000000003D2000-memory.dmp

            Filesize

            72KB

          • memory/1924-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1924-9-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/1924-30-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/1924-31-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2084-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-77-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2084-13-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-55-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2084-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-14-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-40-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/2084-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-60-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-61-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-47-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2084-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2084-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-83-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-84-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2084-151-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-113-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-112-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-109-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2084-107-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2640-104-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2640-156-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2640-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-102-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2728-103-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2728-125-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2728-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2728-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB