Analysis

  • max time kernel
    147s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 02:54

General

  • Target

    b1db9c2669b623927db676b2445548c4_JaffaCakes118.exe

  • Size

    292KB

  • MD5

    b1db9c2669b623927db676b2445548c4

  • SHA1

    61a6bca8390c228a6956573711176627c0b8e035

  • SHA256

    64508ab23525159540491d0b043c04085d66f0710eb16b66147db015a8c63d12

  • SHA512

    5fe94789362acb4b838dc1dbbe120a0d81af7fa4d7f6657ce797d15aa3d28974977a6a44504a1dfb03dfd683654cdb6eded8cdacfbe4ef453aa08a555a03aca9

  • SSDEEP

    3072:aQL/bCrWIPe5uL7jK2aTqkw7SvFaOgnYJPK2vz6VV5g6:aQL/bCrThaeKFap+v6Vvf

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
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 20 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1080
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\b1db9c2669b623927db676b2445548c4_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\b1db9c2669b623927db676b2445548c4_JaffaCakes118.exe"
            2⤵
            • Modifies firewall policy service
            • Modifies visibility of file extensions in Explorer
            • Modifies visiblity of hidden/system files in Explorer
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Drops startup file
            • Loads dropped DLL
            • Windows security modification
            • Adds Run key to start application
            • 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
            • Modifies Internet Explorer settings
            • Modifies Internet Explorer start page
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2520
            • C:\Users\Admin\AppData\Roaming\cssrs.exe
              C:\Users\Admin\AppData\Roaming\cssrs.exe
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:2760
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:2908
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2036

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0F769B46_Rar\b1db9c2669b623927db676b2445548c4_JaffaCakes118.exe

            Filesize

            216KB

            MD5

            9bde9702ccb28c3749e042e93cdbfb6b

            SHA1

            161e2e5981ef960a5345c5e64188b3294b2e5592

            SHA256

            e12693f934a8da01783010eed4cfae987c31ef3d4d65f6ff892140275f814bf5

            SHA512

            3d4f7daaefd9adf17d179a57b91a3d8718743c346cc2a70b6a7e551fbd217c108120cd8f444b8653000b63bb75298a29c890e9ad71236689811a20b8780a6553

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe

            Filesize

            292KB

            MD5

            b1db9c2669b623927db676b2445548c4

            SHA1

            61a6bca8390c228a6956573711176627c0b8e035

            SHA256

            64508ab23525159540491d0b043c04085d66f0710eb16b66147db015a8c63d12

            SHA512

            5fe94789362acb4b838dc1dbbe120a0d81af7fa4d7f6657ce797d15aa3d28974977a6a44504a1dfb03dfd683654cdb6eded8cdacfbe4ef453aa08a555a03aca9

          • F:\jmxkn.exe

            Filesize

            100KB

            MD5

            f837be3deaffcc1732bd5082147b0605

            SHA1

            d92b8278fa120e87713feda2070a2a10cedb7b0b

            SHA256

            f351b0a76d41ee416940c2375f148b15866a3550b5ac055ce95be9ee01e04b58

            SHA512

            e0f0bd1f544ff715009702aa8284b5116b9005336a070d0ad4cc514f2257bf2f346c11456cbde322f7fa1f7473a69406af8eea32812969fd99a541ca934a73a0

          • memory/1080-9-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2520-59-0x0000000004FC0000-0x000000000500F000-memory.dmp

            Filesize

            316KB

          • memory/2520-68-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2520-18-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2520-64-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-8-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-3-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-25-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-7-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-23-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2520-6-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-26-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-24-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-21-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2520-5-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-43-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-46-0x0000000004E80000-0x0000000004ECF000-memory.dmp

            Filesize

            316KB

          • memory/2520-42-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-100-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2520-65-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-193-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB

          • memory/2520-0-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB

          • memory/2520-58-0x0000000004FC0000-0x000000000500F000-memory.dmp

            Filesize

            316KB

          • memory/2520-4-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-22-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2520-47-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-67-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-69-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-70-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-72-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-73-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-88-0x0000000003050000-0x0000000003051000-memory.dmp

            Filesize

            4KB

          • memory/2520-92-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2520-123-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2520-104-0x0000000001E60000-0x0000000002EEE000-memory.dmp

            Filesize

            16.6MB

          • memory/2520-19-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2760-101-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2760-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2760-103-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2760-63-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB

          • memory/2760-203-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB

          • memory/2908-99-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/2908-102-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2908-128-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2908-202-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB

          • memory/2908-62-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB