Analysis

  • max time kernel
    150s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 14:50

General

  • Target

    3e0587c5a6ef9e3d93ef2ba3b5a1b8a8bce694fd0d81194dd95fdab33be4775e.exe

  • Size

    97KB

  • MD5

    214798861209d42fb0f170cf0ea90c90

  • SHA1

    13f6b0c5d236732a480cec31884c3b0139be1f82

  • SHA256

    3e0587c5a6ef9e3d93ef2ba3b5a1b8a8bce694fd0d81194dd95fdab33be4775e

  • SHA512

    246b1f2ae65c4d44584dd7f69b830abb4a6144894236129d2d835b0caa424e611de639f0bb0e10cb54da6d795da3b3743f37a22c0afce7b9c1320050e9b92d5b

  • SSDEEP

    3072:cH2GRj3n1umSALAOOTpA6T5Q9UDR07UW1i:G2i3n1zOym0UD0D1i

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

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 2 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\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\3e0587c5a6ef9e3d93ef2ba3b5a1b8a8bce694fd0d81194dd95fdab33be4775e.exe
            "C:\Users\Admin\AppData\Local\Temp\3e0587c5a6ef9e3d93ef2ba3b5a1b8a8bce694fd0d81194dd95fdab33be4775e.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:620

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/620-54-0x0000000075711000-0x0000000075713000-memory.dmp

          Filesize

          8KB

        • memory/620-55-0x00000000006E0000-0x000000000179A000-memory.dmp

          Filesize

          16.7MB

        • memory/620-56-0x0000000074D41000-0x0000000074D43000-memory.dmp

          Filesize

          8KB

        • memory/620-57-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/620-58-0x00000000006E0000-0x000000000179A000-memory.dmp

          Filesize

          16.7MB

        • memory/620-59-0x00000000005C0000-0x00000000005C2000-memory.dmp

          Filesize

          8KB

        • memory/620-60-0x0000000004260000-0x0000000004262000-memory.dmp

          Filesize

          8KB

        • memory/620-62-0x00000000005C0000-0x00000000005C2000-memory.dmp

          Filesize

          8KB

        • memory/620-61-0x00000000006E0000-0x000000000179A000-memory.dmp

          Filesize

          16.7MB

        • memory/620-63-0x0000000004260000-0x0000000004262000-memory.dmp

          Filesize

          8KB