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Analysis

  • max time kernel
    111s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 22:04

General

  • Target

    94276aa6831e903d64736c4a631e259f68fe441be536f469e862d0bc4a03d82e.exe

  • Size

    225KB

  • MD5

    6f248c32b138dfe6c8651d2cd130b665

  • SHA1

    3a82acb25c63efde53d2745ec8dc4160d981a9f8

  • SHA256

    94276aa6831e903d64736c4a631e259f68fe441be536f469e862d0bc4a03d82e

  • SHA512

    b85242515f6684006de8cce0578024c4cc31cbfa4c036714a50b5deda2418656ce18770295cfa8ccff1e168c5484ab6648f061d86ad3e712ed6a872862c4bfac

  • SSDEEP

    3072:feNFuft1gx591liFj4ncy+Rui0n8nByLgj5Dzng5XAM9gbXmkMArfuuZ:feN0fPY7imn8ogNDznqXfYmARZ

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
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 2 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 1 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 2 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1280
      • C:\Users\Admin\AppData\Local\Temp\94276aa6831e903d64736c4a631e259f68fe441be536f469e862d0bc4a03d82e.exe
        "C:\Users\Admin\AppData\Local\Temp\94276aa6831e903d64736c4a631e259f68fe441be536f469e862d0bc4a03d82e.exe"
        2⤵
        • Modifies firewall policy service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Windows security modification
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Drops autorun.inf file
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1700
        • C:\Program Files (x86)\Microsoft Office\Office14\winword.exe
          "C:\Program Files (x86)\Microsoft Office\Office14\winword.exe"
          3⤵
          • Drops file in Windows directory
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:932
          • C:\Windows\splwow64.exe
            C:\Windows\splwow64.exe 12288
            4⤵
              PID:1552
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1240
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1128

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/932-64-0x0000000070B9D000-0x0000000070BA8000-memory.dmp

            Filesize

            44KB

          • memory/932-61-0x000000006FBB1000-0x000000006FBB3000-memory.dmp

            Filesize

            8KB

          • memory/932-69-0x0000000070B9D000-0x0000000070BA8000-memory.dmp

            Filesize

            44KB

          • memory/932-68-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/932-59-0x0000000072131000-0x0000000072134000-memory.dmp

            Filesize

            12KB

          • memory/932-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/932-65-0x0000000070B9D000-0x0000000070BA8000-memory.dmp

            Filesize

            44KB

          • memory/1552-67-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

            Filesize

            8KB

          • memory/1700-60-0x0000000001EE0000-0x0000000002F6E000-memory.dmp

            Filesize

            16.6MB

          • memory/1700-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

            Filesize

            8KB

          • memory/1700-55-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1700-58-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1700-56-0x0000000001EE0000-0x0000000002F6E000-memory.dmp

            Filesize

            16.6MB