Analysis

  • max time kernel
    92s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 08:14

General

  • Target

    7fe83cb0ef7c6b825cac71095cd2f775f506cc083e5072d0db448ce229e611cbN.exe

  • Size

    168KB

  • MD5

    ae33a8fc1c06dd1d3b3a4d6bd394e530

  • SHA1

    b6a74da766ecb177f1c6b1c85bf0820e37b03986

  • SHA256

    7fe83cb0ef7c6b825cac71095cd2f775f506cc083e5072d0db448ce229e611cb

  • SHA512

    aa9c6c97beabd20241e58f84f8473cd379f1ba8cf762750778ab4dd20ef4a6044968633f88d6b7441b23b735a2c52d873b89ca75ac3b9f9007d1df8ed559650b

  • SSDEEP

    3072:Ud9464pTctYabJHEboKSjOj8LetcigT5PLv0pd8bF:UdO65LV7OLW9opqF

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
  • UPX packed file 7 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Users\Admin\AppData\Local\Temp\7fe83cb0ef7c6b825cac71095cd2f775f506cc083e5072d0db448ce229e611cbN.exe
          "C:\Users\Admin\AppData\Local\Temp\7fe83cb0ef7c6b825cac71095cd2f775f506cc083e5072d0db448ce229e611cbN.exe"
          1⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:3832

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3832-0-0x0000000000400000-0x000000000042D000-memory.dmp

          Filesize

          180KB

        • memory/3832-1-0x00000000023F0000-0x00000000034AA000-memory.dmp

          Filesize

          16.7MB

        • memory/3832-3-0x00000000023F0000-0x00000000034AA000-memory.dmp

          Filesize

          16.7MB

        • memory/3832-4-0x00000000023F0000-0x00000000034AA000-memory.dmp

          Filesize

          16.7MB

        • memory/3832-8-0x00000000023F0000-0x00000000034AA000-memory.dmp

          Filesize

          16.7MB

        • memory/3832-14-0x00000000023F0000-0x00000000034AA000-memory.dmp

          Filesize

          16.7MB

        • memory/3832-20-0x0000000000400000-0x000000000042D000-memory.dmp

          Filesize

          180KB

        • memory/3832-6-0x00000000023F0000-0x00000000034AA000-memory.dmp

          Filesize

          16.7MB

        • memory/3832-5-0x00000000023F0000-0x00000000034AA000-memory.dmp

          Filesize

          16.7MB