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Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 18:30

General

  • Target

    d9b7cbddfc4ff6f0bb14f54fa39e8920N.exe

  • Size

    1.6MB

  • MD5

    d9b7cbddfc4ff6f0bb14f54fa39e8920

  • SHA1

    26f18748428e02bb1ce6ebe27190f7410c32647b

  • SHA256

    8081d70f36df4651bceafb69db13767b82882718cf276824b9dac65bac58e4c9

  • SHA512

    06e52e500e01dd0bfcde10fe22173718a52f6d0ad369c9d75e307f9cafa744e58a99c693c1dfe2d2aebcd1c0dc6bbe06401049ff41b34a2e8fc57120e6cf88a8

  • SSDEEP

    24576:16W8Rl5BsxShemuKxlBP5ZK9kbOCw+7/jyx9GFVPBQMgif:16JNqUGKDs66nK7yGFdBQ4f

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.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 26 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
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\d9b7cbddfc4ff6f0bb14f54fa39e8920N.exe
            "C:\Users\Admin\AppData\Local\Temp\d9b7cbddfc4ff6f0bb14f54fa39e8920N.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 SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2436
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1864

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\ltwr.exe

            Filesize

            97KB

            MD5

            3ebde519e10447e6f438dee22abc3f8d

            SHA1

            56b759b8132832c0a8b9027e17bf708fc579f6cc

            SHA256

            97a39c2fd578a6000d0ff5de81b49ff99b5cc062756070cb173dc50a532ee9cd

            SHA512

            ee9261fb051fc6c7f59a818e35a3f835a2fbc180f8d0a5afa4064f60b472870c804a68653b092d21c958e1c49f63f3df7d803418fb7505b6d7a86643b25983b2

          • memory/1088-14-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2436-37-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-38-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-9-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-11-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-8-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-5-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-4-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-29-0x0000000004BB0000-0x0000000004BB2000-memory.dmp

            Filesize

            8KB

          • memory/2436-28-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-27-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

            Filesize

            4KB

          • memory/2436-39-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-24-0x0000000004BB0000-0x0000000004BB2000-memory.dmp

            Filesize

            8KB

          • memory/2436-3-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-10-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-36-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-35-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-7-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-0-0x0000000000400000-0x0000000000593000-memory.dmp

            Filesize

            1.6MB

          • memory/2436-25-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

            Filesize

            4KB

          • memory/2436-42-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-43-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-44-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-47-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-48-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-64-0x0000000005010000-0x0000000005012000-memory.dmp

            Filesize

            8KB

          • memory/2436-63-0x0000000005020000-0x0000000005021000-memory.dmp

            Filesize

            4KB

          • memory/2436-66-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-67-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-68-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-71-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-74-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-76-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-6-0x00000000020C0000-0x000000000317A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-172-0x0000000000400000-0x0000000000593000-memory.dmp

            Filesize

            1.6MB