Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 17:26

General

  • Target

    e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72N.dll

  • Size

    120KB

  • MD5

    50874a773c495c3c82efe8c2deb83280

  • SHA1

    3b12777d1fdf4e6e133840d12d24e6ae1a76f192

  • SHA256

    e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72

  • SHA512

    ac100980c42b982e24cb70da83c64887c1e9106a448d8ebe4d498741f52203cb371b1df87754017f31720166b2f057d9b6817ae1910bdca7170cf3033caced6e

  • SSDEEP

    1536:9B34ytLB466k/kqX9M5ZahovNKgs+Tf00FoJyYFd44+FsyZc2UAxMSgOx:/TtK6yqW5k/oMeoJyYFf+qy22fx+Ox

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • UPX packed file 23 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1228
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2348
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e33fdb1ed078427c950cba054c00961c860f461568c40fcffa22509d7779ac72N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2980
              • C:\Users\Admin\AppData\Local\Temp\f76f344.exe
                C:\Users\Admin\AppData\Local\Temp\f76f344.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:3028
              • C:\Users\Admin\AppData\Local\Temp\f76f4ab.exe
                C:\Users\Admin\AppData\Local\Temp\f76f4ab.exe
                4⤵
                • Executes dropped EXE
                PID:2792
              • C:\Users\Admin\AppData\Local\Temp\f770efe.exe
                C:\Users\Admin\AppData\Local\Temp\f770efe.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:1516
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1080

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            d716f6c2ac4f5e3bcf50b30b78c3f3b7

            SHA1

            86c91b38a14f626b654b259b6b9a81844524887c

            SHA256

            40aad38c4d785c4a85c8e8652ec767e0e4e258d44fd85a0c58e9e775805704b0

            SHA512

            f911d2a1931ef9565804751715e106f681f27902bb8d4e7b8787b8ab9effee869e2e1acabb35c9448b5882cc2c00c09fded7fe81e73765580814ff734164fd49

          • \Users\Admin\AppData\Local\Temp\f76f344.exe

            Filesize

            97KB

            MD5

            5cf91db5dfe91ee734a0bed7793b86a6

            SHA1

            c69debc07b784862f0f9de6d561bd426da15dd9d

            SHA256

            372015c28a7b72c64ff53aa43266ac740eb5ca9dc5fc7d1598dcdcba5ba3a7c6

            SHA512

            353de0c59e2a134dac0f9b8d7399f8dae07e185eaad5caa14e1856393207de0f055389c8f38d075a3ef120a7916614dc10012a19df82c61748b758e4e63e0dab

          • memory/1108-28-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/1516-217-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1516-174-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/1516-216-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/1516-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1516-110-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1516-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2792-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2792-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2792-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2792-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2792-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-60-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2980-36-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2980-4-0x0000000000670000-0x0000000000682000-memory.dmp

            Filesize

            72KB

          • memory/2980-10-0x0000000000670000-0x0000000000682000-memory.dmp

            Filesize

            72KB

          • memory/2980-46-0x00000000006A0000-0x00000000006A1000-memory.dmp

            Filesize

            4KB

          • memory/2980-37-0x00000000006A0000-0x00000000006A1000-memory.dmp

            Filesize

            4KB

          • memory/2980-81-0x00000000006E0000-0x00000000006F2000-memory.dmp

            Filesize

            72KB

          • memory/2980-53-0x00000000006C0000-0x00000000006D2000-memory.dmp

            Filesize

            72KB

          • memory/2980-58-0x0000000000690000-0x0000000000692000-memory.dmp

            Filesize

            8KB

          • memory/2980-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2980-59-0x00000000006C0000-0x00000000006D2000-memory.dmp

            Filesize

            72KB

          • memory/3028-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-88-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-12-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-84-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-50-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/3028-49-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/3028-47-0x0000000003E20000-0x0000000003E21000-memory.dmp

            Filesize

            4KB

          • memory/3028-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3028-160-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3028-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB