Analysis

  • max time kernel
    150s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 11:41

General

  • Target

    9f705732c3495bd6c6cce5de4b3a60a12d88a8c0ef9124521d86cd9944ad1824.exe

  • Size

    100KB

  • MD5

    a0323ae4100485266ade265e30dea246

  • SHA1

    a55c1e110da86b3f94643f3cd8b3efdd540f5b1e

  • SHA256

    9f705732c3495bd6c6cce5de4b3a60a12d88a8c0ef9124521d86cd9944ad1824

  • SHA512

    69696cae5089a7964690e37603b830ce7525f44df1b17e0da172c1e4aeecb0f3a7f978e5f24d5a2f29742cb418794297a104b2a8bd6e99674ea63a6511695a98

  • SSDEEP

    3072:xi9Flm5s2Tg8pdIjl9Eq6IhWgfVSA/82XvBkI5:RlpOrE4hNfYAk+

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
  • UPX packed file 3 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 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1164
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1232
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1284
          • C:\Users\Admin\AppData\Local\Temp\9f705732c3495bd6c6cce5de4b3a60a12d88a8c0ef9124521d86cd9944ad1824.exe
            "C:\Users\Admin\AppData\Local\Temp\9f705732c3495bd6c6cce5de4b3a60a12d88a8c0ef9124521d86cd9944ad1824.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:1976

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1976-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

          Filesize

          8KB

        • memory/1976-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1976-56-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1976-57-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1976-58-0x0000000000370000-0x0000000000372000-memory.dmp

          Filesize

          8KB

        • memory/1976-59-0x0000000074181000-0x0000000074183000-memory.dmp

          Filesize

          8KB

        • memory/1976-60-0x0000000004190000-0x0000000004192000-memory.dmp

          Filesize

          8KB

        • memory/1976-61-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1976-62-0x0000000000370000-0x0000000000372000-memory.dmp

          Filesize

          8KB

        • memory/1976-63-0x0000000004190000-0x0000000004192000-memory.dmp

          Filesize

          8KB