Analysis

  • max time kernel
    119s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 12:25

General

  • Target

    d23219dd5f13fd57c3e5aca398600b7abb5dba995c1811d76c3e10a31d2754bd.exe

  • Size

    97KB

  • MD5

    e81c742dfb0308a46bd6d17fac5f2ac9

  • SHA1

    6c9d54caaa727330da67711c13c593eb515c5423

  • SHA256

    d23219dd5f13fd57c3e5aca398600b7abb5dba995c1811d76c3e10a31d2754bd

  • SHA512

    067519ebff76fb28b8ed421bb992b17b476b517a30f3fa32f51a3b7a6fc0f83bb0de07ff6f7a0c8a0f26d157387966b7e24bd6942c5abfe89373ec05d05a0930

  • SSDEEP

    1536:koSVM8HWslsZ/Fu9d/lFXFUJ7n5PomhAfz:koq/TKlyhLXmTiL

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 31 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 29 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Users\Admin\AppData\Local\Temp\d23219dd5f13fd57c3e5aca398600b7abb5dba995c1811d76c3e10a31d2754bd.exe
            "C:\Users\Admin\AppData\Local\Temp\d23219dd5f13fd57c3e5aca398600b7abb5dba995c1811d76c3e10a31d2754bd.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:868
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1600

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\xckbif.exe

            Filesize

            97KB

            MD5

            593d0be9f1720170d6ff09a0ad8b308a

            SHA1

            6cc53265f79aa9203d003aff74cdcc795f0c0c93

            SHA256

            f04ab55ab7e7e31ecf4aa5ee5d49d7e981fdcf428347a51c19001c4925c5f29a

            SHA512

            23406c806c8f44f199cc190c7a9299ac71638adb317b74ab6bc86bd7f108807a9231c9c6f7a03e171d2a2b2b120ff44c50024afd13e5b890241ea7323c421e4d

          • memory/868-36-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-68-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-7-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-9-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-5-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-11-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-34-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-29-0x00000000038D0000-0x00000000038D1000-memory.dmp

            Filesize

            4KB

          • memory/868-31-0x00000000038C0000-0x00000000038C2000-memory.dmp

            Filesize

            8KB

          • memory/868-30-0x00000000038C0000-0x00000000038C2000-memory.dmp

            Filesize

            8KB

          • memory/868-10-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-6-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-4-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-26-0x00000000038D0000-0x00000000038D1000-memory.dmp

            Filesize

            4KB

          • memory/868-135-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/868-12-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-33-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-35-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-25-0x00000000038C0000-0x00000000038C2000-memory.dmp

            Filesize

            8KB

          • memory/868-8-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-32-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-38-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-39-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-41-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-42-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-44-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-50-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-52-0x00000000038C0000-0x00000000038C2000-memory.dmp

            Filesize

            8KB

          • memory/868-54-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-55-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-57-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-61-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-67-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/868-74-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-75-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-78-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/868-2-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1096-18-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB