Analysis

  • max time kernel
    124s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2024 16:48

General

  • Target

    2024-10-14_5d498dcf57c85c758dd0ac41d88768af_xiaoba.exe

  • Size

    3.3MB

  • MD5

    5d498dcf57c85c758dd0ac41d88768af

  • SHA1

    d4a7acbe320d873a675edfc9ed4e619988353796

  • SHA256

    a7c450e7aa618120867cb0fb7c437385a6e815b40f8d3b0a9cdc0006c04b0b89

  • SHA512

    0e52f1f3d69643c84f50ffc0ddbaf729095343588bf7808d56f0f6eafdc0f97560059906b5d06a4ec7930811a1786b2df52d98459c80a5bd4c2ad3a489f0f15d

  • SSDEEP

    49152:b7wsC/g2cmAUB8GWtkLdA7TO1JtjZSDKM570nAzMmec5w:HC42ctUBN5A7i1fEL570ncFw

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 3 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
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 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.

  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\2024-10-14_5d498dcf57c85c758dd0ac41d88768af_xiaoba.exe
            "C:\Users\Admin\AppData\Local\Temp\2024-10-14_5d498dcf57c85c758dd0ac41d88768af_xiaoba.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • 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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2168
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1868

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\kfkex.pif

            Filesize

            100KB

            MD5

            6558587e91bc75343e5dd67ae4a565ea

            SHA1

            5eae815abbceea37621d4cb9cb4ebe9d0d6a2ffa

            SHA256

            5fc4fab050fadf201e5122b82804f5ca9d5a2d67a6190b4030b556566419620a

            SHA512

            2f2aae428735ee415720326050d04eaffd429c67c940435468ae263b86e8ff553d9d86ff12ef4ec10f19ef08132062700908884383ebe005873279c73d51a088

          • \Users\Admin\AppData\Local\Temp\SkinH_EL.dll

            Filesize

            86KB

            MD5

            147127382e001f495d1842ee7a9e7912

            SHA1

            92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

            SHA256

            edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

            SHA512

            97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

          • memory/1112-14-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2168-33-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-8-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-9-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-34-0x0000000010000000-0x000000001003D000-memory.dmp

            Filesize

            244KB

          • memory/2168-6-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-36-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-3-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-12-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-13-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-32-0x00000000054C0000-0x00000000054C2000-memory.dmp

            Filesize

            8KB

          • memory/2168-10-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-27-0x00000000054D0000-0x00000000054D1000-memory.dmp

            Filesize

            4KB

          • memory/2168-24-0x00000000054D0000-0x00000000054D1000-memory.dmp

            Filesize

            4KB

          • memory/2168-23-0x00000000054C0000-0x00000000054C2000-memory.dmp

            Filesize

            8KB

          • memory/2168-7-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-0-0x0000000000400000-0x000000000078F000-memory.dmp

            Filesize

            3.6MB

          • memory/2168-5-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-1-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-11-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-37-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-39-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-40-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-42-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-43-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-46-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-48-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-63-0x0000000006680000-0x0000000006681000-memory.dmp

            Filesize

            4KB

          • memory/2168-64-0x0000000006530000-0x0000000006532000-memory.dmp

            Filesize

            8KB

          • memory/2168-65-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-67-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-69-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-70-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-73-0x0000000002480000-0x000000000350E000-memory.dmp

            Filesize

            16.6MB

          • memory/2168-35-0x00000000054C0000-0x00000000054C2000-memory.dmp

            Filesize

            8KB

          • memory/2168-166-0x0000000000400000-0x000000000078F000-memory.dmp

            Filesize

            3.6MB