Analysis

  • max time kernel
    147s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 11:07

General

  • Target

    efe0b06eb4f0ef8edae16acf0c69cdb389ec40dc28f10fce279e63fedb29498c.exe

  • Size

    100KB

  • MD5

    63c35656addda4165eaed57d12575a14

  • SHA1

    705793dadb4f781d82ba05f9730ba395d0da40b0

  • SHA256

    efe0b06eb4f0ef8edae16acf0c69cdb389ec40dc28f10fce279e63fedb29498c

  • SHA512

    a3599fd28c0896af434ad62981437093deb5ae156051b1513600c8191674f05c55ce5b3273c70b06a294bb1fa146b5f7b6f1466d10b4e0b06515f487f37d691b

  • SSDEEP

    3072:G7J3x6AFzvs23nq5HiL2WcBF22yzJAFyQ/NleoX:GF3x6Ag5H0cBAJAFyQ15

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\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1200
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1348
        • C:\Users\Admin\AppData\Local\Temp\efe0b06eb4f0ef8edae16acf0c69cdb389ec40dc28f10fce279e63fedb29498c.exe
          "C:\Users\Admin\AppData\Local\Temp\efe0b06eb4f0ef8edae16acf0c69cdb389ec40dc28f10fce279e63fedb29498c.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:1408
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1308

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1408-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

          Filesize

          8KB

        • memory/1408-55-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1408-56-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/1408-57-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1408-58-0x00000000003D0000-0x00000000003D2000-memory.dmp

          Filesize

          8KB

        • memory/1408-59-0x0000000074231000-0x0000000074233000-memory.dmp

          Filesize

          8KB

        • memory/1408-60-0x0000000003060000-0x0000000003062000-memory.dmp

          Filesize

          8KB

        • memory/1408-61-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1408-62-0x00000000003D0000-0x00000000003D2000-memory.dmp

          Filesize

          8KB

        • memory/1408-63-0x0000000003060000-0x0000000003062000-memory.dmp

          Filesize

          8KB