Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 08:56

General

  • Target

    455b47a3cfb00145da198302441bb911fae6e44d3b1360f46e3992e8a3e3aade.exe

  • Size

    150KB

  • MD5

    3eca3c0612b4d5136982f0fe6ab8cf00

  • SHA1

    4dcbdd005232cbd0da7f3d115e0ebb762f5c1f86

  • SHA256

    455b47a3cfb00145da198302441bb911fae6e44d3b1360f46e3992e8a3e3aade

  • SHA512

    0f7e3588ba6bd27a0f2c79312aa662b5aa2d4bcc4f8dbeeddfd68e508a8ff7f54ac661e6686f64647e2861b6337c98f369f243fa317b447aa4369375a0af4894

  • SSDEEP

    3072:ZgXdZ09P6D3XJG16X8lDF8/kTyEnrCDDF+lbwMitOrDCsNzQXD:ZeC4alIVEnr7lbFitXsNcD

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 1 IoCs

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1400
      • C:\Users\Admin\AppData\Local\Temp\455b47a3cfb00145da198302441bb911fae6e44d3b1360f46e3992e8a3e3aade.exe
        "C:\Users\Admin\AppData\Local\Temp\455b47a3cfb00145da198302441bb911fae6e44d3b1360f46e3992e8a3e3aade.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Windows security modification
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:2028
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1340
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1264

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2028-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

          Filesize

          8KB

        • memory/2028-55-0x0000000001F50000-0x0000000002FDE000-memory.dmp

          Filesize

          16.6MB

        • memory/2028-56-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/2028-57-0x0000000001F50000-0x0000000002FDE000-memory.dmp

          Filesize

          16.6MB

        • memory/2028-58-0x00000000002F0000-0x00000000002F2000-memory.dmp

          Filesize

          8KB

        • memory/2028-59-0x0000000001F50000-0x0000000002FDE000-memory.dmp

          Filesize

          16.6MB