Analysis

  • max time kernel
    243s
  • max time network
    333s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:29

General

  • Target

    476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe

  • Size

    337KB

  • MD5

    4372dceaf631b9da97fbd9a20e5b4a1f

  • SHA1

    96724a8fb4641bf5237473d311f661a7086032d8

  • SHA256

    476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880

  • SHA512

    ffe4170b6bcc78bfb746c86465843ae2fbb690c79c6f9a3157fe2ded5cc7cc82796548b38a7fc853813676eb5475b85e8577182d7c4e53c1ddba8576f562907f

  • SSDEEP

    1536:Oy/fbYoJfC8Lkh93Ln9GSnLW8d87/Bqi//2rgNFlJZkhAqb6HamCzBm3:OyYLpTUSLW8+zPmryGr66mC9m

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 5 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1168
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1216
        • C:\Users\Admin\AppData\Local\Temp\476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe
          "C:\Users\Admin\AppData\Local\Temp\476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Windows security modification
          • Adds Run key to start application
          • 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:672
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1116

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/672-54-0x0000000075531000-0x0000000075533000-memory.dmp

          Filesize

          8KB

        • memory/672-55-0x0000000001E40000-0x0000000002ECE000-memory.dmp

          Filesize

          16.6MB

        • memory/672-56-0x0000000031420000-0x000000003143E000-memory.dmp

          Filesize

          120KB

        • memory/672-57-0x0000000001E40000-0x0000000002ECE000-memory.dmp

          Filesize

          16.6MB

        • memory/672-58-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/672-59-0x0000000031420000-0x000000003143E000-memory.dmp

          Filesize

          120KB

        • memory/672-60-0x0000000001E40000-0x0000000002ECE000-memory.dmp

          Filesize

          16.6MB