Analysis

  • max time kernel
    147s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2022 12:56

General

  • Target

    add93b9be96014461ffb74e2497727b3a15ab4b2c96739f96c9a5df50ce6ca31.exe

  • Size

    100KB

  • MD5

    54b07b23f6a3ea1271eb3942fcc654e6

  • SHA1

    946cfba05adbad8e28937f764c6dae55b3cb20c9

  • SHA256

    add93b9be96014461ffb74e2497727b3a15ab4b2c96739f96c9a5df50ce6ca31

  • SHA512

    27919d14809ee54c128351fcbcc47d9df4e8f3a3e84f9a500d54fe9f5a546222e09b573e635f773fed0b8dc25e5be9a6b9729412023404fdbf4107ef7146586a

  • SSDEEP

    1536:6Ddx22QdhD7kLoQHSKDrhuq0/Thbu8Ipqv5+6Z7ZboJ+WeMtpRUuQRqz:aGhDwLHJBuq0/ThBdv5+mV01n28

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 20 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:1268
      • C:\Users\Admin\AppData\Local\Temp\add93b9be96014461ffb74e2497727b3a15ab4b2c96739f96c9a5df50ce6ca31.exe
        "C:\Users\Admin\AppData\Local\Temp\add93b9be96014461ffb74e2497727b3a15ab4b2c96739f96c9a5df50ce6ca31.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:1668
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1116

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

          Filesize

          8KB

        • memory/1668-55-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1668-56-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1668-57-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1668-58-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/1668-59-0x0000000074211000-0x0000000074213000-memory.dmp

          Filesize

          8KB

        • memory/1668-60-0x00000000041E0000-0x00000000041E2000-memory.dmp

          Filesize

          8KB

        • memory/1668-61-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1668-62-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/1668-63-0x00000000041E0000-0x00000000041E2000-memory.dmp

          Filesize

          8KB