Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 05:40

General

  • Target

    5a2a08239255b4fb72978a36c942631b4a2b364b8942d173e29cc766ca8fc9e1N.dll

  • Size

    120KB

  • MD5

    da51137d80cd735cb921143734f0c8f0

  • SHA1

    5074659d49b5f8ff626b68dc8fdf5b6ccda810da

  • SHA256

    5a2a08239255b4fb72978a36c942631b4a2b364b8942d173e29cc766ca8fc9e1

  • SHA512

    94aa177726963665fd077921302700e41310ecae880fe0727a311298c1ae5a78a029fba8ea2a9ef6fc5ac5f8b046f111ee22fd8d7341b1cb6b863676cb0142f7

  • SSDEEP

    3072:+dBN2V1GRinXMGSDDOLEG5Xa3kSrga/m:+diW8XMRP8EUXcDra

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 15 IoCs

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

  • UPX packed file 24 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:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1244
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a2a08239255b4fb72978a36c942631b4a2b364b8942d173e29cc766ca8fc9e1N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2420
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a2a08239255b4fb72978a36c942631b4a2b364b8942d173e29cc766ca8fc9e1N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2056
              • C:\Users\Admin\AppData\Local\Temp\f76a4a8.exe
                C:\Users\Admin\AppData\Local\Temp\f76a4a8.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:2052
              • C:\Users\Admin\AppData\Local\Temp\f76a68c.exe
                C:\Users\Admin\AppData\Local\Temp\f76a68c.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:2736
              • C:\Users\Admin\AppData\Local\Temp\f76c0fe.exe
                C:\Users\Admin\AppData\Local\Temp\f76c0fe.exe
                4⤵
                • Executes dropped EXE
                PID:2636
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:112

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76a4a8.exe

            Filesize

            97KB

            MD5

            2ee273ba01c636638050d3c417362e4f

            SHA1

            c5a9a7e3887a3cd8e965fefdb9add371663a8c39

            SHA256

            fb045142c434935580d78b615862ac54a52314f8f7b547b3ad9f6779ba742d7e

            SHA512

            be1a98423d4152ed86db545bf3734c11230429d106e86ceeb069a431f464f5259b214108ed06f18751f7e32d55962ace8b0f850abf6c05bd629a56a55e2e5b85

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            7dbc9553f8367f5ffad74b7267e91781

            SHA1

            89bc93ea97f13ef75c75c6a99f358a6dcda6f206

            SHA256

            23064aa1801f9bbca9d40695c513bdcc748bce7d5fda454e6f2d85d0d32310e4

            SHA512

            e5fafe1867846454cb1ef80edc04d821ca8adc8491f1c953b98b500ab63e654e5e25e5fabae5892331cf08e9b8d858366aa8854796c834de3eb5369ff42cd3a8

          • memory/1124-28-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/2052-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-56-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2052-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-48-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2052-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2052-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2052-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-46-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2052-156-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-86-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-85-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-82-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-13-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-60-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-61-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-81-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-80-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2056-55-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2056-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2056-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2056-35-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2056-45-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2056-57-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2056-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2056-75-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2636-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-199-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2636-134-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2636-104-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2636-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2736-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-165-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2736-195-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2736-194-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB