Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2023 03:55

General

  • Target

    NEAS.22be58c51040677c9a98fbfd6cd9f840.exe

  • Size

    65KB

  • MD5

    22be58c51040677c9a98fbfd6cd9f840

  • SHA1

    35f8368c052f5d96e0b16e7b82772971136c0e0b

  • SHA256

    f7749d520bf40c8b62b336d2d552c7b7c869d9f0f187f1ac44410d3d648da2d8

  • SHA512

    5c326a6367cff1989ea8430933d68f5598c5505c115d6234c9d77c46150e34629a7ad8b6a1caf22600eda4910c48a5383d8686149dae35ac89067ec252a93d41

  • SSDEEP

    1536:lP78jQNgNNg0fjNu4AY4eyFgIpYVyT2LPos:lPjgngUkSYjT2cs

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
  • 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 25 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 7 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1228
        • C:\Users\Admin\AppData\Local\Temp\NEAS.22be58c51040677c9a98fbfd6cd9f840.exe
          "C:\Users\Admin\AppData\Local\Temp\NEAS.22be58c51040677c9a98fbfd6cd9f840.exe"
          2⤵
          • Modifies firewall policy service
          • 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 WriteProcessMemory
          • System policy modification
          PID:2052
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1188

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1104-6-0x0000000000250000-0x0000000000252000-memory.dmp

          Filesize

          8KB

        • memory/2052-28-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-58-0x0000000000350000-0x0000000000352000-memory.dmp

          Filesize

          8KB

        • memory/2052-3-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-1-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-5-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-8-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-30-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-14-0x0000000000360000-0x0000000000361000-memory.dmp

          Filesize

          4KB

        • memory/2052-11-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-19-0x0000000000350000-0x0000000000352000-memory.dmp

          Filesize

          8KB

        • memory/2052-15-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-20-0x0000000000360000-0x0000000000361000-memory.dmp

          Filesize

          4KB

        • memory/2052-21-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-26-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-72-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2052-4-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-13-0x0000000000350000-0x0000000000352000-memory.dmp

          Filesize

          8KB

        • memory/2052-31-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-32-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-33-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-35-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-36-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-37-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-42-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-44-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-46-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-48-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-51-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-52-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-0-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2052-53-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB

        • memory/2052-27-0x0000000000700000-0x00000000017BA000-memory.dmp

          Filesize

          16.7MB