Analysis

  • max time kernel
    123s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 21:20

General

  • Target

    4a4d3eb67da40094714346116f3e9176b3ff44a1f1e01a479b44376852f31301.exe

  • Size

    100KB

  • MD5

    f06b90e8439d3b3b94467e080b9970e0

  • SHA1

    67c03284e74196aeffe5b11713c54d0f3bf0a3f9

  • SHA256

    4a4d3eb67da40094714346116f3e9176b3ff44a1f1e01a479b44376852f31301

  • SHA512

    d471503e3f22efa4cb4dadb9c687ed93672b7a6d05d82d2d636178b2b7ab4400d92f7d1c00185007c600b2f0e74f9933daa17aecbe1314dc5e2bb0c50b7251ad

  • SSDEEP

    1536:RapRq3H+u/4VxtpYS2zwyydjUoKpe/weACIg:RaXq+s4VBYRzIjUpedtn

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 29 IoCs
  • UPX dump on OEP (original entry point) 27 IoCs
  • UPX packed file 27 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1224
          • C:\Users\Admin\AppData\Local\Temp\4a4d3eb67da40094714346116f3e9176b3ff44a1f1e01a479b44376852f31301.exe
            "C:\Users\Admin\AppData\Local\Temp\4a4d3eb67da40094714346116f3e9176b3ff44a1f1e01a479b44376852f31301.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:1508
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2428

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\pyldre.pif

            Filesize

            100KB

            MD5

            f5edb066fe923eef0a9b412e94236359

            SHA1

            686b1a2eb87088620b09cd91fa8b352baf658e7c

            SHA256

            0200ae7be53c081e3cbbd8c017e24e4fe272c08d0ca7333e0fc74395b20c3f98

            SHA512

            c8ee25709e1105f0bd1e88552589c8a96e7114ec39c3b2cda60ca35e08cf5656ab27a165907181b05a855bfb4991cbb4cc23f46fb0fee2c36eb44f272a9491ae

          • memory/1108-11-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1508-29-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-103-0x0000000004750000-0x0000000004752000-memory.dmp

            Filesize

            8KB

          • memory/1508-3-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-1-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-10-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-8-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-23-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/1508-6-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-0-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/1508-19-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1508-4-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-9-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-25-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1508-24-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1508-26-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-27-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-28-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-30-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-20-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/1508-5-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-49-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-45-0x00000000049C0000-0x00000000049C1000-memory.dmp

            Filesize

            4KB

          • memory/1508-44-0x0000000004750000-0x0000000004752000-memory.dmp

            Filesize

            8KB

          • memory/1508-46-0x0000000004750000-0x0000000004752000-memory.dmp

            Filesize

            8KB

          • memory/1508-47-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-33-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-51-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-53-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-54-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-57-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-58-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-62-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-64-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-65-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-66-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1508-32-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB

          • memory/1508-7-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

            Filesize

            16.6MB