Analysis

  • max time kernel
    187s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:14

General

  • Target

    46ffde19a1c60494dc1aed93dd145a6e52ab7a910315982b3d75e0b68767e9f0.exe

  • Size

    100KB

  • MD5

    371b9439ecda2a0fdf79510990e5ba35

  • SHA1

    464549fc72ce70f0081135a29ee35ebcec19f960

  • SHA256

    46ffde19a1c60494dc1aed93dd145a6e52ab7a910315982b3d75e0b68767e9f0

  • SHA512

    c27633ba1f35603add4af2ff75e8472d193738b4e8a5aa3eaa9b163e4596f8353b399e99e3c99f15e14a873a3ca4c91492c4d4cacf6aafc5f1158f770e942e38

  • SSDEEP

    1536:OB5xKUmtFWRoIfeefpsKxsMjoiG7PBtYhYzA3z3:OB5xn2cTfpsKCMjoiePYl3

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 4 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 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1244
      • C:\Users\Admin\AppData\Local\Temp\46ffde19a1c60494dc1aed93dd145a6e52ab7a910315982b3d75e0b68767e9f0.exe
        "C:\Users\Admin\AppData\Local\Temp\46ffde19a1c60494dc1aed93dd145a6e52ab7a910315982b3d75e0b68767e9f0.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:1528
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1528-54-0x0000000075611000-0x0000000075613000-memory.dmp
          Filesize

          8KB

        • memory/1528-55-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/1528-56-0x0000000001D30000-0x0000000002DBE000-memory.dmp
          Filesize

          16.6MB

        • memory/1528-57-0x0000000001D30000-0x0000000002DBE000-memory.dmp
          Filesize

          16.6MB

        • memory/1528-58-0x00000000745B1000-0x00000000745B3000-memory.dmp
          Filesize

          8KB

        • memory/1528-59-0x00000000005E0000-0x00000000005E2000-memory.dmp
          Filesize

          8KB

        • memory/1528-60-0x0000000001D30000-0x0000000002DBE000-memory.dmp
          Filesize

          16.6MB

        • memory/1528-61-0x00000000005E0000-0x00000000005E2000-memory.dmp
          Filesize

          8KB

        • memory/1528-62-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB