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Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2025, 07:51

General

  • Target

    2ca3e6491cb74d751c398dab2a43832020b2b2b2680240f902504c648626e2d1.exe

  • Size

    65KB

  • MD5

    cfb6ff1a8ef1f6fd60bf27aad8e1faa0

  • SHA1

    d45b73510bd04925115c320a0f6c90d117ef8425

  • SHA256

    2ca3e6491cb74d751c398dab2a43832020b2b2b2680240f902504c648626e2d1

  • SHA512

    1127e68ed7c79c16d0c97860d7e200d6fe3705d883f9cc423a5cf9f7c59465c30749655f8f705f056b58fa3cd2afa4ac6cb172a2df35a979b7e0075216e6ea98

  • SSDEEP

    1536:+s1UStb0hB07c/dWhTffm55Scmnre8bSqvvvxVRyhUd7:+xbBYqoTffm5ccmrnZvnRsUd7

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • 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.

  • UPX packed file 28 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1040
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1068
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1112
          • C:\Users\Admin\AppData\Local\Temp\2ca3e6491cb74d751c398dab2a43832020b2b2b2680240f902504c648626e2d1.exe
            "C:\Users\Admin\AppData\Local\Temp\2ca3e6491cb74d751c398dab2a43832020b2b2b2680240f902504c648626e2d1.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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3060
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:888

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\ktbuy.exe

            Filesize

            97KB

            MD5

            10aa5403165d6ef9cb69b6a09a05990a

            SHA1

            0f667d0ef91ba52b89e9c07d0bd4ac2e3c28bf3c

            SHA256

            6cc3d5dd37a19723af4fb97abea795944f7bf0529e10cbe7628e61cac8186253

            SHA512

            21b89cfd8e16e17aaf75e9d0d49ffb1c08220e86d5b0796498f647a2e05d9382654470f3685022e88133ef5fd76528c5c879e5a31a2538827d4a0f11a035b801

          • memory/1040-18-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/3060-33-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-31-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-9-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-12-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-10-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-8-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-5-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-29-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/3060-28-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/3060-27-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/3060-25-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/3060-24-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/3060-4-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-11-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-3-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-30-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-34-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-32-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-6-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3060-49-0x0000000002F60000-0x0000000002F62000-memory.dmp

            Filesize

            8KB

          • memory/3060-37-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-46-0x0000000002F60000-0x0000000002F62000-memory.dmp

            Filesize

            8KB

          • memory/3060-36-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-48-0x00000000049E0000-0x00000000049E1000-memory.dmp

            Filesize

            4KB

          • memory/3060-50-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-53-0x00000000005B0000-0x00000000005B2000-memory.dmp

            Filesize

            8KB

          • memory/3060-54-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-57-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-58-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-59-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-69-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-73-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-74-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-7-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB