Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 22:50

General

  • Target

    33d64b84bbc2839a55f708c8042ca88e7ab2ebe2535ee9d6209ce98f3a6fecae.dll

  • Size

    120KB

  • MD5

    0966aa53b6e763170b066788a71a5ed2

  • SHA1

    7171398ce4a828d49a1bec5e1026106eeb4dd606

  • SHA256

    33d64b84bbc2839a55f708c8042ca88e7ab2ebe2535ee9d6209ce98f3a6fecae

  • SHA512

    2ff1cbb50d8690f4f634465456b0fd768cafe10d0822aabeb0206058404322d39188720bd849638d48f2a972da1e9ca94a65bfae5ff5969c90b6695c786e5d23

  • SSDEEP

    3072:9Desm00b7D3uMema1OVWRyYbXuB8Is9902zN8oPbG5RP:9y0avcOVW0H8DWoPbSRP

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\33d64b84bbc2839a55f708c8042ca88e7ab2ebe2535ee9d6209ce98f3a6fecae.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1652
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\33d64b84bbc2839a55f708c8042ca88e7ab2ebe2535ee9d6209ce98f3a6fecae.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2164
              • C:\Users\Admin\AppData\Local\Temp\f76bf1b.exe
                C:\Users\Admin\AppData\Local\Temp\f76bf1b.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:2160
              • C:\Users\Admin\AppData\Local\Temp\f76c0cf.exe
                C:\Users\Admin\AppData\Local\Temp\f76c0cf.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2732
              • C:\Users\Admin\AppData\Local\Temp\f76de3e.exe
                C:\Users\Admin\AppData\Local\Temp\f76de3e.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2468
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e813f803c92895d59590f9bc43bf2bd8

            SHA1

            9e3185c2ee6c288dc27598253affd165b3eff071

            SHA256

            9921e70b6e90739f5d4df6e07c87616c0ea8052dffdb041e4c8159a01f29da2b

            SHA512

            77153d64ac9509854a7bfc1b1bf420f83a04119561ead4afef6cdb60dd38928e6b5ab3f33af5cedcf861b7b96e3bdc043a5502e2eb8b8061a824bd9251631ab1

          • \Users\Admin\AppData\Local\Temp\f76bf1b.exe

            Filesize

            97KB

            MD5

            5f4efe687a63b71e499202b4204eb77a

            SHA1

            dfd66f36a2eafa06a22eab5cfa8742a33a1cd6e9

            SHA256

            2b349a5ee575c48887cb8a6f86f6b7cafef42ef62d8ced904db7e861e56394f8

            SHA512

            8e3cd9cc47f5803edd0390cfb22d8652c6a017f4e130f5daeb78ff9a110a7072072b05603ace42d3023f27cb6ba81c07d1b1214043e38ee62d8f21d1bd3c9c87

          • memory/1112-26-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2160-25-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-89-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-86-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-57-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2160-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-87-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2160-56-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2160-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-111-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-153-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-72-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-71-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-70-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-43-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2160-69-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2164-42-0x00000000003C0000-0x00000000003C1000-memory.dmp

            Filesize

            4KB

          • memory/2164-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2164-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2164-53-0x00000000003D0000-0x00000000003E2000-memory.dmp

            Filesize

            72KB

          • memory/2164-54-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2164-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2164-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2164-51-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2164-34-0x00000000003C0000-0x00000000003C1000-memory.dmp

            Filesize

            4KB

          • memory/2164-13-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2164-33-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2164-7-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2468-133-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2468-109-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2468-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2468-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2468-228-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2732-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2732-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2732-158-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2732-128-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2732-191-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2732-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB