Analysis

  • max time kernel
    135s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2024, 23:33

General

  • Target

    2b4c82794f9e514f7c50029caffc07af5a02e36021b8342238c7fc93fe75b51d.exe

  • Size

    2.5MB

  • MD5

    0dbadddd2e02a8d51e40f6ea25de01ea

  • SHA1

    44bca0cf0275a277fd1f9bc61486c286d50a6c23

  • SHA256

    2b4c82794f9e514f7c50029caffc07af5a02e36021b8342238c7fc93fe75b51d

  • SHA512

    03a99a3b16af54ba1098f07d6cf277adfc8e0c76e6e5b442471399432c42e64a63ddfecc98f11f39d19cee97defba35ddad59cb78b17f159938452aeaa2d471c

  • SSDEEP

    49152:9Q4FiPb0cknuOaJO9acs2JP05ABxCJgqUsA/usYpnEj4V:9Q4sPb09na+f+5AB/qUkV

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 installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:388
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2468
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          1⤵
            PID:804
          • C:\Users\Admin\AppData\Local\Temp\2b4c82794f9e514f7c50029caffc07af5a02e36021b8342238c7fc93fe75b51d.exe
            "C:\Users\Admin\AppData\Local\Temp\2b4c82794f9e514f7c50029caffc07af5a02e36021b8342238c7fc93fe75b51d.exe"
            1⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:4516

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/4516-0-0x0000000000400000-0x0000000000686000-memory.dmp

                  Filesize

                  2.5MB

                • memory/4516-2-0x0000000002580000-0x000000000363A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/4516-4-0x0000000002580000-0x000000000363A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/4516-5-0x0000000002580000-0x000000000363A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/4516-8-0x0000000000400000-0x0000000000686000-memory.dmp

                  Filesize

                  2.5MB