Analysis

  • max time kernel
    148s
  • 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 21:57

General

  • Target

    JaffaCakes118_761aa11bcb2408fee8ccfb31f4b29312.exe

  • Size

    100KB

  • MD5

    761aa11bcb2408fee8ccfb31f4b29312

  • SHA1

    777a3734751e93887a7fec051e513e106687e804

  • SHA256

    42bd390086328d3e892d62fe86f9c1c1d693a31459204db00a3940f3efcee4aa

  • SHA512

    bb65392ec9d8fd9ca250fc32b111d3410414c05998356345d2d58fddf035b945ee0392905975a9f604872d5cea1ddc3fedf1c17998a41754d392a2f1e22e268d

  • SSDEEP

    1536:VZqBXNJUSWv0YcNab8wIqVfMPMwYu2yPxfYbwRT0c0eATkxTNeNhg:VY7SHveNaRIefkTYuFVTFA

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • 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 29 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1080
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1160
          • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_761aa11bcb2408fee8ccfb31f4b29312.exe
            "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_761aa11bcb2408fee8ccfb31f4b29312.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • 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:2516
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1436

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\rvabvr.exe

            Filesize

            100KB

            MD5

            c97e9bcf347ab2f0d3154cd2d2074fba

            SHA1

            f24834e832812a43f3280cfa09f814a67b7a8b59

            SHA256

            2a016e8b9f0b5699665613dff7eb7739b6445f8817ac5532a502c6387da37ffa

            SHA512

            9154b06609e93fca1fff0cf929768e6021518610e19ebbbfbd33e449b5b1c3d8866f98af7273cfd3fafbe54fede6cbf0efc95218f38cd366a7ad4068d92b1e12

          • memory/1048-12-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2516-33-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-7-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-0-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/2516-32-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-11-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-6-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-9-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-22-0x0000000002EF0000-0x0000000002EF2000-memory.dmp

            Filesize

            8KB

          • memory/2516-28-0x0000000002EF0000-0x0000000002EF2000-memory.dmp

            Filesize

            8KB

          • memory/2516-26-0x00000000034F0000-0x00000000034F1000-memory.dmp

            Filesize

            4KB

          • memory/2516-23-0x00000000034F0000-0x00000000034F1000-memory.dmp

            Filesize

            4KB

          • memory/2516-5-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-10-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-29-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-30-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-31-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-4-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-35-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-8-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-36-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-37-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-39-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-41-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-42-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-43-0x0000000002EF0000-0x0000000002EF2000-memory.dmp

            Filesize

            8KB

          • memory/2516-53-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-56-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-58-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-60-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-61-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-62-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-63-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-65-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-68-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-3-0x0000000001D80000-0x0000000002E0E000-memory.dmp

            Filesize

            16.6MB

          • memory/2516-140-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB