Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 22:39

General

  • Target

    1b7aa6859db50218db04834a7b8499fa398c5fb6ab55e71343769fa8417fcdbb.dll

  • Size

    120KB

  • MD5

    312b8ae8d754df6fa420e4f53be21bab

  • SHA1

    1e914c73e66f1190e96d219af6d57b2697b483fc

  • SHA256

    1b7aa6859db50218db04834a7b8499fa398c5fb6ab55e71343769fa8417fcdbb

  • SHA512

    c71b2e4483c06c01077be05ad80544187191dec6c66052f863773de388bb991e73dcadbd29b8a19056ee9dbf7751c71ff9dcdddb5b80f0ec01d4d8f0e14347f7

  • SSDEEP

    1536:3ZlrSojzL4IsSu8SWffwmP7EH2nsAo/kZujNeoq3BPhxNCZyLvJvlqCa+Jc:3r3L4I5uiffHw2zolBteBP/NCkLvdQ

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 3 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1296
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1360
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1396
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b7aa6859db50218db04834a7b8499fa398c5fb6ab55e71343769fa8417fcdbb.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2128
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b7aa6859db50218db04834a7b8499fa398c5fb6ab55e71343769fa8417fcdbb.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2532
              • C:\Users\Admin\AppData\Local\Temp\f787cfd.exe
                C:\Users\Admin\AppData\Local\Temp\f787cfd.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • 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:740
              • C:\Users\Admin\AppData\Local\Temp\f787e73.exe
                C:\Users\Admin\AppData\Local\Temp\f787e73.exe
                4⤵
                • Executes dropped EXE
                PID:1748
              • C:\Users\Admin\AppData\Local\Temp\f7898e5.exe
                C:\Users\Admin\AppData\Local\Temp\f7898e5.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • 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:3056
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1608

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f787e73.exe

            Filesize

            97KB

            MD5

            e23c9af3c5141ba5fe783f4cea121efc

            SHA1

            4cd08695a0348b27215cfc6ce96968e5c7edfc41

            SHA256

            44260ce606453d7da800ecfc10d96d3ed67812008ebb33d26409a031fcd8f488

            SHA512

            f7a0031cf01cd9c00bc6da5190dd4bb7241e10f631e66d5fa391d1db798b486b753e36e7aa35d6cf3e695bb4764dbdebe72d55a1bdce4546e61d77cd9f24953e

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            56df8a5a98b69faf3d85e125db507938

            SHA1

            7acc88e4e8472d25130c30c27b5ce9081e076531

            SHA256

            a763e631906d44409bb40db36758c1b0fa0765b8b5067a04c75409899045e43d

            SHA512

            ffc09cada6f8703a94a9c8b59568df887c61f73debadee11078461f7436ef487048e143cf8ce31300a6bfacb1c7e83ee82ac4412662eec5e8eb705e61f296a3a

          • memory/740-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-15-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-143-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/740-144-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-65-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-110-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-82-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-16-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-14-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-45-0x00000000017E0000-0x00000000017E1000-memory.dmp

            Filesize

            4KB

          • memory/740-109-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-75-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/740-11-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-13-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/740-106-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-103-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-60-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-61-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-102-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/740-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/740-83-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1296-27-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/1748-118-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1748-93-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1748-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1748-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1748-94-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1748-92-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2532-8-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2532-55-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2532-57-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2532-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2532-7-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2532-69-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2532-44-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2532-34-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2532-35-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2532-76-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2532-80-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3056-99-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/3056-162-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3056-163-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3056-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3056-201-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB