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Analysis

  • max time kernel
    48s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 18:51

General

  • Target

    94f3a3ef0d914aa3bbe8297eb065f5108820a8c4d7df5e455824ebd747e3dafc.exe

  • Size

    410KB

  • MD5

    0e265c41cf42ba3cb7fb893ff98da186

  • SHA1

    3d7e4f5c12ecc284a92e6dcf1dd9c1603ec9e473

  • SHA256

    94f3a3ef0d914aa3bbe8297eb065f5108820a8c4d7df5e455824ebd747e3dafc

  • SHA512

    bede6020e2a83050691af1e0acd1bce5ae61777066380bb310d5bd5646c86b2d9c48137ae97601af769d2ee70ed32ee604ab9dd5100164260f0fd5919481b4fa

  • SSDEEP

    6144:72EGyyn8t8qgCJs/IrELgoNPrpO7LIyPLldmbvuXMjR1y9lZpIM2cHheqKUhvRO5:7YqgN/IrEkoNk7L6zSZp9PQ

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 20 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:1200
      • C:\Users\Admin\AppData\Local\Temp\94f3a3ef0d914aa3bbe8297eb065f5108820a8c4d7df5e455824ebd747e3dafc.exe
        "C:\Users\Admin\AppData\Local\Temp\94f3a3ef0d914aa3bbe8297eb065f5108820a8c4d7df5e455824ebd747e3dafc.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:1460
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1112

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1460-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

          Filesize

          8KB

        • memory/1460-55-0x00000000021B0000-0x000000000323E000-memory.dmp

          Filesize

          16.6MB

        • memory/1460-56-0x00000000009E0000-0x0000000000A4B000-memory.dmp

          Filesize

          428KB

        • memory/1460-57-0x0000000000120000-0x0000000000122000-memory.dmp

          Filesize

          8KB

        • memory/1460-58-0x00000000021B0000-0x000000000323E000-memory.dmp

          Filesize

          16.6MB