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Analysis

  • max time kernel
    130s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    22/10/2023, 17:23

General

  • Target

    NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe

  • Size

    440KB

  • MD5

    8d0f10a9ab84ce2f87e2c3342adb6ec0

  • SHA1

    b9b8979d1d907eca26a14f81880e59dc7bbfaef0

  • SHA256

    f0a9204ae936d9e765bec6ed87cdf94ae16dabbcc00cbda1dc72a5fe555d3478

  • SHA512

    796be450c9fd637744e01c9d0d8caef034464371ecd07f6049a29e96de0ef4927920147b3001a553df0d0733443f12a72c526e5106544f384aef5ea0f3042030

  • SSDEEP

    3072:uMs3fGBjN1Jrpi0kOBzleK6VU6SaQFQMg6WNjjeOi04Qy/cddX3rZQcVi4Kky:un3MN1JlveK6VUsQOjTjuR/cDZQcVW

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

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Modifies visibility of file extensions 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 20 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 2 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Users\Admin\AppData\Local\Temp\NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.8d0f10a9ab84ce2f87e2c3342adb6ec0.exe"
      1⤵
      • Modifies firewall policy service
      • Modifies visibility of file extensions in Explorer
      • UAC bypass
      • Windows security bypass
      • Windows security modification
      • Checks whether UAC is enabled
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2984
      • C:\windows\explorer.exe
        C:\windows\explorer.exe
        2⤵
          PID:764
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1252
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:1180

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1124-16-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2984-27-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2984-39-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-3-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-5-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-7-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-8-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-9-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-10-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-11-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-12-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-13-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-28-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2984-2-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-1-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-14-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-29-0x00000000004B0000-0x00000000004B1000-memory.dmp

            Filesize

            4KB

          • memory/2984-30-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-32-0x00000000004B0000-0x00000000004B1000-memory.dmp

            Filesize

            4KB

          • memory/2984-33-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-34-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-35-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-36-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-38-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-40-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2984-0-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/2984-45-0x00000000025B0000-0x000000000366A000-memory.dmp

            Filesize

            16.7MB

          • memory/2984-63-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB