Analysis

  • max time kernel
    216s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 18:35

General

  • Target

    samp-server.exe

  • Size

    960KB

  • MD5

    652fc3d187426969c78b5896c55f0bd3

  • SHA1

    5905c3f30aae347c6781c9ba54f2e9acb789b8aa

  • SHA256

    80851b341f41613d761255eb22e31e59e0b7ef31f80b6606e6313548d61c5af8

  • SHA512

    23d6d3cc33d0d6d2601162b2f2de8875029cbfbf29f976ab4380d007f74180c2a6b8e2a37be2df21066b262b52b6deb625b78456a7e988cc234d34545fdf0a42

  • SSDEEP

    24576:6qa8CCL4TO9g+a4VlrotyQlRRYIW0DAOngnclqx3eUk++uKH:qe40a4ktYISOMclv5l

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 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1196
        • C:\Users\Admin\AppData\Local\Temp\samp-server.exe
          "C:\Users\Admin\AppData\Local\Temp\samp-server.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:556
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1172
        • C:\Windows\system32\conhost.exe
          \??\C:\Windows\system32\conhost.exe "1764198500-14238262041926033190-83834789297287482514512248520632752011694142939"
          1⤵
            PID:852

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/556-54-0x0000000000400000-0x0000000000500000-memory.dmp

            Filesize

            1024KB

          • memory/556-55-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

            Filesize

            8KB

          • memory/556-56-0x0000000002000000-0x000000000308E000-memory.dmp

            Filesize

            16.6MB

          • memory/556-57-0x0000000002000000-0x000000000308E000-memory.dmp

            Filesize

            16.6MB

          • memory/556-58-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/556-59-0x0000000002000000-0x000000000308E000-memory.dmp

            Filesize

            16.6MB

          • memory/556-60-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/556-61-0x0000000000400000-0x0000000000500000-memory.dmp

            Filesize

            1024KB