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Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 06:59

General

  • Target

    f498a24e6a1012bbcc887ab6f008562708a4e97d1a693d8189848624dc894a93.exe

  • Size

    100KB

  • MD5

    9e463726b56d4e0ac7101295f579d746

  • SHA1

    5958de1a7cf9868767bd255d27aca14f00bfd2b0

  • SHA256

    f498a24e6a1012bbcc887ab6f008562708a4e97d1a693d8189848624dc894a93

  • SHA512

    a7cec33171cc4874d4681e3c99776bd28d99dc759be3efde96c50f5879c57d0462d0c28a063716221277cffbd6b7f17653af10d96d4c0330f0cec2110afd8745

  • SSDEEP

    1536:u82NcatamXLxGGeVensS1SfNCvgEC4L0AsTtYGHdphE+5oL+/QXazTYhBTmAT:H2NXtjXLxuensS/SxzA+5oCIqzTACI

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 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1376
      • C:\Users\Admin\AppData\Local\Temp\f498a24e6a1012bbcc887ab6f008562708a4e97d1a693d8189848624dc894a93.exe
        "C:\Users\Admin\AppData\Local\Temp\f498a24e6a1012bbcc887ab6f008562708a4e97d1a693d8189848624dc894a93.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:1660
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1296
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1216

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1660-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1660-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

          Filesize

          8KB

        • memory/1660-56-0x0000000001DA0000-0x0000000002E2E000-memory.dmp

          Filesize

          16.6MB

        • memory/1660-57-0x0000000074921000-0x0000000074923000-memory.dmp

          Filesize

          8KB

        • memory/1660-58-0x0000000001DA0000-0x0000000002E2E000-memory.dmp

          Filesize

          16.6MB

        • memory/1660-59-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/1660-60-0x00000000042B0000-0x00000000042B2000-memory.dmp

          Filesize

          8KB

        • memory/1660-61-0x0000000001DA0000-0x0000000002E2E000-memory.dmp

          Filesize

          16.6MB

        • memory/1660-62-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/1660-63-0x00000000042B0000-0x00000000042B2000-memory.dmp

          Filesize

          8KB

        • memory/1660-64-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB