Analysis

  • max time kernel
    34s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:09

General

  • Target

    a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe

  • Size

    384KB

  • MD5

    52528e16cb63278b04a0731d5fa6fd3f

  • SHA1

    3e93d7330b7e6cc7fc381ff9c1795dfbde5d4233

  • SHA256

    a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b

  • SHA512

    b130488fddeadbeec1f7ae1d40e9b272a8a5bd5aa07ae230e68f83aa24260df30ce090b51dc281279a15e68753bb8651d537db55ea5ed5f84707431ff4deeb51

  • SSDEEP

    6144:VIYpt/lclJFrLYCUKyOsNVJOVeaeXg0eSBN0gJhvzNTov1GjSarvYAysWDhNeRuL:VhOJFd/sgVYXBjDhrxow01BzeI76lFU

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 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
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1220
      • C:\Users\Admin\AppData\Local\Temp\a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe
        "C:\Users\Admin\AppData\Local\Temp\a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Windows security modification
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1036
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1036-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

          Filesize

          8KB

        • memory/1036-55-0x00000000020B0000-0x000000000313E000-memory.dmp

          Filesize

          16.6MB

        • memory/1036-56-0x0000000000400000-0x00000000004BF000-memory.dmp

          Filesize

          764KB

        • memory/1036-57-0x00000000002C0000-0x000000000037F000-memory.dmp

          Filesize

          764KB

        • memory/1036-58-0x00000000020B0000-0x000000000313E000-memory.dmp

          Filesize

          16.6MB

        • memory/1036-59-0x00000000003F0000-0x00000000003F2000-memory.dmp

          Filesize

          8KB

        • memory/1036-60-0x0000000000400000-0x00000000004BF000-memory.dmp

          Filesize

          764KB

        • memory/1036-61-0x00000000002C0000-0x00000000002CD000-memory.dmp

          Filesize

          52KB

        • memory/1036-62-0x00000000020B0000-0x000000000313E000-memory.dmp

          Filesize

          16.6MB