Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 08:37

General

  • Target

    9a49c9b6af34a5ead16edd24fa09f5307fa459d03152f4783761f1563d1b0b0b.exe

  • Size

    100KB

  • MD5

    337cc4a34cafd9e01d8f78cb258191dc

  • SHA1

    4a95164663933e6d26eab486212c7fa718e88741

  • SHA256

    9a49c9b6af34a5ead16edd24fa09f5307fa459d03152f4783761f1563d1b0b0b

  • SHA512

    7a1d1bfb4158edd818a9ca9b8b1c9b18c85b8156ee2284a21adf4dcb641cb41723f14491dac6b2b4ccf6e2d2be791c17d4ec2432900aad68faace10fb66f1d05

  • SSDEEP

    1536:kUZBy4CdeeYglG7L4o+7V0IHZSetH0o/W1DhCt16RiI8JLDIoFxjLI5:ke/Cd4OCUiegetpWuz6Ri5JwKI5

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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1284
      • C:\Users\Admin\AppData\Local\Temp\9a49c9b6af34a5ead16edd24fa09f5307fa459d03152f4783761f1563d1b0b0b.exe
        "C:\Users\Admin\AppData\Local\Temp\9a49c9b6af34a5ead16edd24fa09f5307fa459d03152f4783761f1563d1b0b0b.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:1380
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1220
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1136

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1380-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

                Filesize

                8KB

              • memory/1380-55-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/1380-56-0x0000000074051000-0x0000000074053000-memory.dmp

                Filesize

                8KB

              • memory/1380-57-0x0000000000400000-0x0000000000415000-memory.dmp

                Filesize

                84KB

              • memory/1380-59-0x0000000000480000-0x0000000000482000-memory.dmp

                Filesize

                8KB

              • memory/1380-58-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/1380-60-0x0000000004370000-0x0000000004372000-memory.dmp

                Filesize

                8KB

              • memory/1380-61-0x0000000001E40000-0x0000000002ECE000-memory.dmp

                Filesize

                16.6MB

              • memory/1380-62-0x0000000000480000-0x0000000000482000-memory.dmp

                Filesize

                8KB

              • memory/1380-63-0x0000000004370000-0x0000000004372000-memory.dmp

                Filesize

                8KB