Analysis

  • max time kernel
    123s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 01:12

General

  • Target

    cbdda3f2127d70441f8828429648844a86d8fd7ba2d32d5cfe9f4d1344d17c9a.exe

  • Size

    4.0MB

  • MD5

    bdab2b15593722adafd73ba2d26ae718

  • SHA1

    27f4f056c95b461247f04deda34c6f03554df2a5

  • SHA256

    cbdda3f2127d70441f8828429648844a86d8fd7ba2d32d5cfe9f4d1344d17c9a

  • SHA512

    6cbb5bdc7075c11a3a19e465b1a74caefa4b90eb71e7d97ca37a3bd3f37a0c78e48530222372c14833dafddd7e4bf7f76d4886fe6c86bd7f826002bc16515c7e

  • SSDEEP

    98304:rVZj1RH+mvYUhV6whv+L4pikdbHE9QXA/7Z:r7++YlWdXS9

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 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 29 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1056
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Users\Admin\AppData\Local\Temp\cbdda3f2127d70441f8828429648844a86d8fd7ba2d32d5cfe9f4d1344d17c9a.exe
            "C:\Users\Admin\AppData\Local\Temp\cbdda3f2127d70441f8828429648844a86d8fd7ba2d32d5cfe9f4d1344d17c9a.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2252
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1732

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\ydqdy.exe
            Filesize

            97KB

            MD5

            e31df8fef7df0cd371e03ac8fed832af

            SHA1

            31dce204cdf76bc8f551b55c857de065b5ff955d

            SHA256

            b2039120c51deb542710368262361865b33d7f0bea157ac59b7427fca5197483

            SHA512

            1fa69e8cca024328cb8cc8ba33bb8b88666afb65e11e4f02b5dec73c6508233786138edb6fc095facf472d0220526f066d52bf7a69c3dcaed84a7e86a12f47d2

          • memory/1056-13-0x00000000002D0000-0x00000000002D2000-memory.dmp
            Filesize

            8KB

          • memory/2252-35-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-23-0x0000000000210000-0x0000000000211000-memory.dmp
            Filesize

            4KB

          • memory/2252-12-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-38-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-21-0x0000000000210000-0x0000000000211000-memory.dmp
            Filesize

            4KB

          • memory/2252-20-0x0000000000200000-0x0000000000202000-memory.dmp
            Filesize

            8KB

          • memory/2252-7-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-27-0x0000000000200000-0x0000000000202000-memory.dmp
            Filesize

            8KB

          • memory/2252-26-0x00000000002E0000-0x00000000002E1000-memory.dmp
            Filesize

            4KB

          • memory/2252-24-0x0000000000200000-0x0000000000202000-memory.dmp
            Filesize

            8KB

          • memory/2252-9-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-8-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-6-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-5-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-1-0x0000000000400000-0x000000000080C000-memory.dmp
            Filesize

            4.0MB

          • memory/2252-39-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-33-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-11-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-34-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-36-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-118-0x0000000005B50000-0x0000000005B52000-memory.dmp
            Filesize

            8KB

          • memory/2252-10-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-32-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-40-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-41-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-43-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-45-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-57-0x0000000005B50000-0x0000000005B52000-memory.dmp
            Filesize

            8KB

          • memory/2252-58-0x0000000000400000-0x000000000080C000-memory.dmp
            Filesize

            4.0MB

          • memory/2252-59-0x0000000005B50000-0x0000000005B52000-memory.dmp
            Filesize

            8KB

          • memory/2252-56-0x0000000005B60000-0x0000000005B61000-memory.dmp
            Filesize

            4KB

          • memory/2252-62-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-64-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-67-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-70-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-75-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-76-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-84-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-103-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-110-0x0000000000200000-0x0000000000202000-memory.dmp
            Filesize

            8KB

          • memory/2252-109-0x00000000002E0000-0x00000000002E1000-memory.dmp
            Filesize

            4KB

          • memory/2252-3-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2252-4-0x0000000002230000-0x00000000032EA000-memory.dmp
            Filesize

            16.7MB