Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2024 07:13

General

  • Target

    18322494bd42b15d074744776b9b14ac11ba8ec3a879c1801ce01e1fc3221ee3.exe

  • Size

    1.2MB

  • MD5

    36e39c7a771051b2095b026b0772d89d

  • SHA1

    749a8fb1beb0d9d4bff375ae6ed1ce0b3e926080

  • SHA256

    18322494bd42b15d074744776b9b14ac11ba8ec3a879c1801ce01e1fc3221ee3

  • SHA512

    c2daf87252252a341d22b47e6cc81a63a3ffaf7111b04ee059ce7ab4a6f810215e866f884ca468a50556ec658cc9fc27cc557e28e249fca8f39f2b1feda630aa

  • SSDEEP

    24576:LiKMkLtX0AjXjwywjZ17ZypnsTYPK3NYL9Lj8y9/1AqufJje:nBhGTks0iA9HD9/1ZCC

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 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Users\Admin\AppData\Local\Temp\18322494bd42b15d074744776b9b14ac11ba8ec3a879c1801ce01e1fc3221ee3.exe
          "C:\Users\Admin\AppData\Local\Temp\18322494bd42b15d074744776b9b14ac11ba8ec3a879c1801ce01e1fc3221ee3.exe"
          1⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Writes to the Master Boot Record (MBR)
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1164

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1164-0-0x0000000000400000-0x000000000053A000-memory.dmp

          Filesize

          1.2MB

        • memory/1164-1-0x0000000000610000-0x0000000000611000-memory.dmp

          Filesize

          4KB

        • memory/1164-2-0x0000000002490000-0x000000000354A000-memory.dmp

          Filesize

          16.7MB

        • memory/1164-4-0x0000000002490000-0x000000000354A000-memory.dmp

          Filesize

          16.7MB

        • memory/1164-5-0x0000000002490000-0x000000000354A000-memory.dmp

          Filesize

          16.7MB

        • memory/1164-6-0x0000000002490000-0x000000000354A000-memory.dmp

          Filesize

          16.7MB

        • memory/1164-10-0x0000000002490000-0x000000000354A000-memory.dmp

          Filesize

          16.7MB

        • memory/1164-12-0x0000000000400000-0x000000000053A000-memory.dmp

          Filesize

          1.2MB