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Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 20:20

General

  • Target

    38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084.dll

  • Size

    120KB

  • MD5

    ea353d740573cfdd6434b9d1858d65e1

  • SHA1

    62714fd1ce5fdf8098cf7f273a70c52e22051422

  • SHA256

    38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084

  • SHA512

    f9a8ab9c87b9339b3e2094f8afbe946b174b366951e72ea897b98208f258cbc8437994d3d8f1eece246c8ec555ec4124b683583a304f68888e9326ad5084aa0c

  • SSDEEP

    3072:5d6ocy/DcAyP97/kgZ75jHXwIejXiD/X:5cdyIAyVrkgZ7pXwIezSP

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.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 23 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3028
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2988
              • C:\Users\Admin\AppData\Local\Temp\f774450.exe
                C:\Users\Admin\AppData\Local\Temp\f774450.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:2724
              • C:\Users\Admin\AppData\Local\Temp\f77470e.exe
                C:\Users\Admin\AppData\Local\Temp\f77470e.exe
                4⤵
                • Executes dropped EXE
                PID:2528
              • C:\Users\Admin\AppData\Local\Temp\f775ee2.exe
                C:\Users\Admin\AppData\Local\Temp\f775ee2.exe
                4⤵
                • Executes dropped EXE
                PID:2376
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1640

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f774450.exe

            Filesize

            97KB

            MD5

            cb1a56f9407a992d6e24e61380ca8ae1

            SHA1

            3790d8b46514d5488c8f140a667efb7db933db05

            SHA256

            ff98e20dcccdcd66ebd977c894d14031e8b19ed27398f54b14b2601b32c97268

            SHA512

            ef79790da7a08cb1cdd0e30db60906a5c16e587b6d28a7117d8c67b486f38fddfc9228c24b49d37365c7399b783f2464f8b16dd6f4e838fc6a5167cef2dcddec

          • memory/1108-22-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2376-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2376-154-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-155-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2376-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2376-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2528-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2528-94-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2528-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2528-102-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2528-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2724-39-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-38-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/2724-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-13-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-53-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2724-56-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2724-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-60-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-61-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-62-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-148-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-107-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-80-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-81-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2724-83-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-82-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-105-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2988-48-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2988-50-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2988-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2988-77-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2988-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2988-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2988-30-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2988-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-29-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2988-156-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB