Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 16:50

General

  • Target

    787cfc24fa52c75d5396436b0d45e1f3f03fae9128f2a8f9c820174f0c755bdb.exe

  • Size

    3.6MB

  • MD5

    f443775fb26ab444175fef206dbe3291

  • SHA1

    39ea172ff7675f6f3cb271db7d6a490a62fa82ba

  • SHA256

    787cfc24fa52c75d5396436b0d45e1f3f03fae9128f2a8f9c820174f0c755bdb

  • SHA512

    6e55aecc729dd08a83f4607d28e97d4f098fd1cc37ce6f84e90e90e69c1b377edcf8a2b780f56653727d5be34d18d14ae2d7e2667189e50af3a059c7ad3bba2a

  • SSDEEP

    49152:Wp+825FTbbSwry7b82ERsspENnsH227LOcwGSE7mGXndShxntS+FS4uXTholSyYX:I25FTbHVvaspQnsz7LOcwGRFShEZ

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 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Windows directory 2 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\787cfc24fa52c75d5396436b0d45e1f3f03fae9128f2a8f9c820174f0c755bdb.exe
            "C:\Users\Admin\AppData\Local\Temp\787cfc24fa52c75d5396436b0d45e1f3f03fae9128f2a8f9c820174f0c755bdb.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1884
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1692

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1120-18-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/1884-11-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-4-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-12-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-7-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-9-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-8-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-5-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/1884-1-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-3-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-0-0x0000000000400000-0x00000000007AF000-memory.dmp

            Filesize

            3.7MB

          • memory/1884-10-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-26-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/1884-25-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/1884-6-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-42-0x0000000002690000-0x000000000374A000-memory.dmp

            Filesize

            16.7MB

          • memory/1884-41-0x0000000000400000-0x00000000007AF000-memory.dmp

            Filesize

            3.7MB