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Analysis

  • max time kernel
    123s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2025, 21:37

General

  • Target

    JaffaCakes118_75f62f25a97d1afb3d061c65ad7c62d5.exe

  • Size

    100KB

  • MD5

    75f62f25a97d1afb3d061c65ad7c62d5

  • SHA1

    f4ab2590fff8712d8967cf11258938f9fdac8c57

  • SHA256

    6cd6c40eca8b4d35bd1a760144f931ddaa449c4212e2c2f47885e776f9e8b910

  • SHA512

    4b780d4b89f5cd80636ad125b11fa8cc1da9bdcd102e3c5e6a365277704f12cd8a89d1855f8aa1fd9a9a1a342032aeddf1ccda2d8d4d2630a721df4e2adba356

  • SSDEEP

    1536:NAXndnPlFzGJHF79hLFb7IanP/4LJyMZfSU9rxO5g9YWrFpV:4dNFkx9hp5PgAMIU9r4qi8nV

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.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75f62f25a97d1afb3d061c65ad7c62d5.exe
            "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75f62f25a97d1afb3d061c65ad7c62d5.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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1248
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1244

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\fkwxb.exe

            Filesize

            100KB

            MD5

            76fe8b86f4235c66f13f0818b446d2d3

            SHA1

            f84b3e9decce77089361bb2d19e219d3f8fa3064

            SHA256

            a9e83a671389c099057c7f2a726308ca78f4bfd709b62096fe55300c8947ec55

            SHA512

            8149304b7e14f2e9470d8bde0876e8478c0246d5fc7a23dc29899e9c21ed766e794db4c2b5a483ed7292a0b7d8e2175af380a3d3c8e98839123ac064317c7c4d

          • memory/1088-8-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1248-29-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-27-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-16-0x0000000003940000-0x0000000003942000-memory.dmp

            Filesize

            8KB

          • memory/1248-19-0x0000000003950000-0x0000000003951000-memory.dmp

            Filesize

            4KB

          • memory/1248-3-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-21-0x0000000003940000-0x0000000003942000-memory.dmp

            Filesize

            8KB

          • memory/1248-20-0x0000000003940000-0x0000000003942000-memory.dmp

            Filesize

            8KB

          • memory/1248-6-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-5-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-4-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-22-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-7-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-23-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-24-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-26-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-25-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-31-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-28-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-17-0x0000000003950000-0x0000000003951000-memory.dmp

            Filesize

            4KB

          • memory/1248-0-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/1248-47-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1248-33-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-45-0x0000000003230000-0x0000000003231000-memory.dmp

            Filesize

            4KB

          • memory/1248-32-0x0000000003940000-0x0000000003942000-memory.dmp

            Filesize

            8KB

          • memory/1248-46-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1248-48-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-50-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-52-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-54-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-55-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-57-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-59-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-60-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-62-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-64-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-66-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1248-67-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-1-0x0000000001C80000-0x0000000002D0E000-memory.dmp

            Filesize

            16.6MB

          • memory/1248-146-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB