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
    06/12/2024, 21:30

General

  • Target

    409d10bc80111cb0131e1cff7df3478c1ad1abfecdfb9c9e924d68c5795f8f10.exe

  • Size

    97KB

  • MD5

    8720de785e10eb1660e660f808febc95

  • SHA1

    1c60db7fab9d918992c61f03dfee2faa70c894b2

  • SHA256

    409d10bc80111cb0131e1cff7df3478c1ad1abfecdfb9c9e924d68c5795f8f10

  • SHA512

    1934598cf2daa23be5966dfb446f03f736efb1693e30f43b575935b5670d71007bf40d9085e5ae4f3057396eb10fc015b146a308ac0727b99f52fe4e6b93e6e1

  • SSDEEP

    1536:u/A616Z+0bJMsPBVTs/bfKolMp8bWbCpbY9mVV9kYrBiLXeRzcGN:CR14+2JMSQbio6KbWbB9y9k8BiMzc8

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 32 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 31 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\409d10bc80111cb0131e1cff7df3478c1ad1abfecdfb9c9e924d68c5795f8f10.exe
            "C:\Users\Admin\AppData\Local\Temp\409d10bc80111cb0131e1cff7df3478c1ad1abfecdfb9c9e924d68c5795f8f10.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:1984
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1668

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\auis.exe

            Filesize

            97KB

            MD5

            7da06e655376f4f0d0f7b0d9f1ba4c51

            SHA1

            81c4a822260ad8c6889329ee6a977a0bfadf2473

            SHA256

            ed661d110812d57e658e053a442535a968fef5a8388ddeb059addd01973ae6e5

            SHA512

            5d2b4458eb005e99c7eebe55d51c5a0d6795ec5dc0b77755e03d5dc2d1f0375727acf411114a4a59112c1d0315b29c94e8f3483b5cb53ab4e0c663ca7311237f

          • memory/1116-18-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/1984-37-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-38-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-39-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-10-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-4-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-29-0x0000000004750000-0x0000000004752000-memory.dmp

            Filesize

            8KB

          • memory/1984-27-0x00000000048A0000-0x00000000048A1000-memory.dmp

            Filesize

            4KB

          • memory/1984-25-0x00000000048A0000-0x00000000048A1000-memory.dmp

            Filesize

            4KB

          • memory/1984-24-0x0000000004750000-0x0000000004752000-memory.dmp

            Filesize

            8KB

          • memory/1984-6-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-11-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-9-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-7-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-5-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-30-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-32-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-34-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-31-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-33-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-36-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-3-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1984-8-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-42-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-43-0x0000000004750000-0x0000000004752000-memory.dmp

            Filesize

            8KB

          • memory/1984-44-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-58-0x0000000001880000-0x0000000001882000-memory.dmp

            Filesize

            8KB

          • memory/1984-56-0x0000000003EF0000-0x0000000003EF1000-memory.dmp

            Filesize

            4KB

          • memory/1984-59-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-60-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-64-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-68-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-71-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-73-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-79-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-82-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-83-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-86-0x0000000001880000-0x0000000001882000-memory.dmp

            Filesize

            8KB

          • memory/1984-12-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB