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Analysis

  • max time kernel
    183s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 07:12

General

  • Target

    7df88cf4afafd291cf3978ecc676389eb95fe95683c0da8708cd7e6d437390c7.exe

  • Size

    100KB

  • MD5

    d218f6601f773a40fd9441cc710e1bd8

  • SHA1

    936074dcb4beabb6954d6db110f7daef85c1516c

  • SHA256

    7df88cf4afafd291cf3978ecc676389eb95fe95683c0da8708cd7e6d437390c7

  • SHA512

    604bdb504cf1f81112e74c3c6e0cf3256b368d4768ac1174ac5c158f03ea782f174749542fd0b85eaaa5c4b6430aa3298acc505d9f41c92c81ac62f61e0abaea

  • SSDEEP

    1536:1VQvf686nGm5nCzvI/O4/bMX8j5dJNSgZ2xj8NVasQf:Yf68QGm5CzI/r7Nr9NVDQf

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1132
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1216
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1264
          • C:\Users\Admin\AppData\Local\Temp\7df88cf4afafd291cf3978ecc676389eb95fe95683c0da8708cd7e6d437390c7.exe
            "C:\Users\Admin\AppData\Local\Temp\7df88cf4afafd291cf3978ecc676389eb95fe95683c0da8708cd7e6d437390c7.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:1884

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1884-54-0x0000000076941000-0x0000000076943000-memory.dmp

          Filesize

          8KB

        • memory/1884-55-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

          Filesize

          16.6MB

        • memory/1884-56-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/1884-57-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

          Filesize

          16.6MB

        • memory/1884-58-0x0000000074D31000-0x0000000074D33000-memory.dmp

          Filesize

          8KB

        • memory/1884-59-0x0000000000370000-0x0000000000372000-memory.dmp

          Filesize

          8KB

        • memory/1884-60-0x0000000001DC0000-0x0000000002E4E000-memory.dmp

          Filesize

          16.6MB

        • memory/1884-61-0x0000000000370000-0x0000000000372000-memory.dmp

          Filesize

          8KB