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Analysis

  • max time kernel
    28s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 02:58

General

  • Target

    412c43b4f826b1a506f64e96b49e98caffc35fafa6a10592b03299c261933d84.exe

  • Size

    403KB

  • MD5

    8152e41cb3df06852ae3ff5b0056f4d0

  • SHA1

    21c9ea8768cfa922988de5fe6dbc88fbee64ec1b

  • SHA256

    412c43b4f826b1a506f64e96b49e98caffc35fafa6a10592b03299c261933d84

  • SHA512

    94fae3373dfb5bbe8e499a1b651a2566cdd37d09b013c61f43f6aee0042a30eb8e36f6e154484cf7105a13ba8bc12b0ab9cd2fd7067f190364e8596636deb2df

  • SSDEEP

    6144:j2EGyyn8t8qgCJsHIrELgoNPrpO7LIyPLldmbvuXMjR1y9lZpylPnRJHWV:jYqgNHIrEkoNk7L6zSZpkPno

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/

http://klkjwre77638dfqwieuoi888.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 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 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:1212
      • C:\Users\Admin\AppData\Local\Temp\412c43b4f826b1a506f64e96b49e98caffc35fafa6a10592b03299c261933d84.exe
        "C:\Users\Admin\AppData\Local\Temp\412c43b4f826b1a506f64e96b49e98caffc35fafa6a10592b03299c261933d84.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 WriteProcessMemory
        • System policy modification
        PID:112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1100

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/112-54-0x0000000075E31000-0x0000000075E33000-memory.dmp

          Filesize

          8KB

        • memory/112-55-0x0000000002180000-0x000000000320E000-memory.dmp

          Filesize

          16.6MB

        • memory/112-56-0x0000000000D10000-0x0000000000D7B000-memory.dmp

          Filesize

          428KB

        • memory/112-57-0x0000000002180000-0x000000000320E000-memory.dmp

          Filesize

          16.6MB

        • memory/112-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

          Filesize

          8KB

        • memory/112-59-0x0000000000D10000-0x0000000000D7B000-memory.dmp

          Filesize

          428KB