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Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 11:26

General

  • Target

    2d5f2e1f938119bbe572920505917b73eff9e6fc123d246c8b86f66f7a7f44f5.exe

  • Size

    96KB

  • MD5

    69efcb342fb4331de34bdf821c42244a

  • SHA1

    52b2a16709b76667442885beb292c9d86e0efff5

  • SHA256

    2d5f2e1f938119bbe572920505917b73eff9e6fc123d246c8b86f66f7a7f44f5

  • SHA512

    94fd11bf992ecf695d7452438a9ac3ceca97b9a43289b1e5c3d11466abb01bee98df9b8aec37a56cce85cbb390848f229541a2fd33c2867ffae9a50ce15530d5

  • SSDEEP

    3072:3uz6f6S2WOcdeh4mjNae93eUeQJxme6ilz:346fzicw7aeQNQvme6W

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
  • 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
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1276
        • C:\Users\Admin\AppData\Local\Temp\2d5f2e1f938119bbe572920505917b73eff9e6fc123d246c8b86f66f7a7f44f5.exe
          "C:\Users\Admin\AppData\Local\Temp\2d5f2e1f938119bbe572920505917b73eff9e6fc123d246c8b86f66f7a7f44f5.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops autorun.inf file
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1072
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1244

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1072-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

          Filesize

          8KB

        • memory/1072-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1072-56-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/1072-57-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1072-58-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/1072-59-0x0000000074211000-0x0000000074213000-memory.dmp

          Filesize

          8KB

        • memory/1072-60-0x0000000002F50000-0x0000000002F52000-memory.dmp

          Filesize

          8KB

        • memory/1072-61-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/1072-62-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/1072-63-0x0000000002F50000-0x0000000002F52000-memory.dmp

          Filesize

          8KB