Analysis

  • max time kernel
    148s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 08:37

General

  • Target

    98c85835fc1122f7ba8d8f72d9a8d55eb82a7bbd71d1012f6aaeba691005c683.exe

  • Size

    100KB

  • MD5

    1ca9565385a989cbf383130e351f3ec0

  • SHA1

    759efebd75d67f10666c2bb79ba1bdf43b9e9ed1

  • SHA256

    98c85835fc1122f7ba8d8f72d9a8d55eb82a7bbd71d1012f6aaeba691005c683

  • SHA512

    f7b72a1e44250491acfbc1f2b80de52ed68624dcdcacc8b0b976b7017ff1a583c9ac434f6e4594b5fb2d538070b6e5f31a5d4a4fba1d93b1120792722154626d

  • SSDEEP

    1536:xC3PlbL6znuWZWBa9NxMv0CpbCrgJSx9yYeGU2QgDU7OFVxjztqM:0PlbLEnFPNxMv0CpGJReGUADU7wV9R

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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\98c85835fc1122f7ba8d8f72d9a8d55eb82a7bbd71d1012f6aaeba691005c683.exe
        "C:\Users\Admin\AppData\Local\Temp\98c85835fc1122f7ba8d8f72d9a8d55eb82a7bbd71d1012f6aaeba691005c683.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:1960
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1192
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1960-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

                Filesize

                8KB

              • memory/1960-55-0x0000000001D60000-0x0000000002DEE000-memory.dmp

                Filesize

                16.6MB

              • memory/1960-56-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/1960-57-0x0000000073F51000-0x0000000073F53000-memory.dmp

                Filesize

                8KB

              • memory/1960-58-0x0000000001D60000-0x0000000002DEE000-memory.dmp

                Filesize

                16.6MB

              • memory/1960-59-0x0000000000330000-0x0000000000332000-memory.dmp

                Filesize

                8KB

              • memory/1960-60-0x0000000002F40000-0x0000000002F42000-memory.dmp

                Filesize

                8KB

              • memory/1960-61-0x0000000001D60000-0x0000000002DEE000-memory.dmp

                Filesize

                16.6MB

              • memory/1960-62-0x0000000000330000-0x0000000000332000-memory.dmp

                Filesize

                8KB

              • memory/1960-63-0x0000000002F40000-0x0000000002F42000-memory.dmp

                Filesize

                8KB