Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 02:54

General

  • Target

    d70c0229636d4e361a2587cb54dfd22ee5af500403e8936f687fa1649eb7e8b0.dll

  • Size

    120KB

  • MD5

    35c67bbcebaec300b1eb57a63104f340

  • SHA1

    2dee3f96cdb8e17b5e55dff2533f0ca7bfdd02d4

  • SHA256

    d70c0229636d4e361a2587cb54dfd22ee5af500403e8936f687fa1649eb7e8b0

  • SHA512

    95c2898782ce826a23f26970ec66afe899e6da683d6f005c9bb3f170f3fc6dba34a495f1f174625fdc061e1ec99e9e92a79f66a16575c4467dba425f574dfc68

  • SSDEEP

    3072:tv0Fh5VxxtNxSq2H8VOHpgMmkb6EPeDTBEC0NG8:tQPb+DHQOHplXbtQT6T

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 2 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 26 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 26 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1232
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1264
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d70c0229636d4e361a2587cb54dfd22ee5af500403e8936f687fa1649eb7e8b0.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2504
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\d70c0229636d4e361a2587cb54dfd22ee5af500403e8936f687fa1649eb7e8b0.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2908
              • C:\Users\Admin\AppData\Local\Temp\f769241.exe
                C:\Users\Admin\AppData\Local\Temp\f769241.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2824
              • C:\Users\Admin\AppData\Local\Temp\f7695ab.exe
                C:\Users\Admin\AppData\Local\Temp\f7695ab.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • System policy modification
                PID:2756
              • C:\Users\Admin\AppData\Local\Temp\f76ac75.exe
                C:\Users\Admin\AppData\Local\Temp\f76ac75.exe
                4⤵
                • Executes dropped EXE
                PID:2888
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2400

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            bdd5fd53dd93d62dd726f5f358b938d6

            SHA1

            b258579bd06e97d6363f1b1c82ff099d5152ce6f

            SHA256

            49f67bd61b08d64db55985699ed7410e8515ca7cf066b93ef7ef04a082f2be80

            SHA512

            cb32ad9ded08225b8c0d18377113d765547a65c7c6a28947af10ab7b3534993dad032905a9501d7f448f1027bad9c49820c5843c542da03e60e47664bd3ce178

          • \Users\Admin\AppData\Local\Temp\f769241.exe

            Filesize

            97KB

            MD5

            fd12f2e637fbdbc51f367a61c7bea5da

            SHA1

            da21d89018c978210371e2936b3050394d166880

            SHA256

            2efb5b8492a6ecb7a6f5ce9c46f0d8bb2951d5540ab5dfe5406fa43ada033121

            SHA512

            7908286c91186af0bddfc60a55b7ed994e15777a0fa8b36ff7ddd017352eb00351555c27240253cc12d3929696d7d02a0747c7d6ea391b52c07237b71135e030

          • memory/1128-28-0x0000000001C40000-0x0000000001C42000-memory.dmp

            Filesize

            8KB

          • memory/2756-171-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2756-94-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2756-170-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2756-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2756-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-152-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2824-14-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-144-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-121-0x0000000000580000-0x0000000000582000-memory.dmp

            Filesize

            8KB

          • memory/2824-107-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-46-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/2824-48-0x0000000000580000-0x0000000000582000-memory.dmp

            Filesize

            8KB

          • memory/2824-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-56-0x0000000000580000-0x0000000000582000-memory.dmp

            Filesize

            8KB

          • memory/2824-61-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-62-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-67-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-105-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-12-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2824-81-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-82-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-85-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-84-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-87-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2888-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2888-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2888-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2888-175-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2908-45-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2908-75-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2908-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-36-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2908-35-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2908-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2908-55-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2908-57-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2908-10-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2908-4-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2908-78-0x0000000000170000-0x0000000000176000-memory.dmp

            Filesize

            24KB