Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 22:48

General

  • Target

    dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll

  • Size

    120KB

  • MD5

    5b1f1c1a52ac5403e67fcc1785a6435e

  • SHA1

    12c69011eb1409319dad3af3a6fb567c0d2e16ca

  • SHA256

    dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c

  • SHA512

    697257deaecdc55ec71aa692aa4b7945f63564e87c4dac741d2d5598a9c0c8763e50415f3dd50afe2ed886a4d0251c53589949770d67497e367f6a114808f93f

  • SSDEEP

    1536:21wWIdV9BfHvEqFjJVylnjFn6apvtq0bckiobDlYLbxP6d6wipHUNdcUiulfQk:26WIdV9BfHcF5jd1nQkiQUFg0mfF

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 15 IoCs

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

  • UPX packed file 24 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1128
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1156
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2404
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcc16c8637ec4b053e8b5be4b478a9591c4134bd40c0cfbe58c8f9d39479a08c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2096
              • C:\Users\Admin\AppData\Local\Temp\f76b27d.exe
                C:\Users\Admin\AppData\Local\Temp\f76b27d.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:2368
              • C:\Users\Admin\AppData\Local\Temp\f76b451.exe
                C:\Users\Admin\AppData\Local\Temp\f76b451.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2648
              • C:\Users\Admin\AppData\Local\Temp\f76ce18.exe
                C:\Users\Admin\AppData\Local\Temp\f76ce18.exe
                4⤵
                • Executes dropped EXE
                PID:624
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1876

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0020f82b5f4fd6c5fe50e8d0be62f7be

            SHA1

            8748885687a968f35662e8db6d0fcdec62f3dabb

            SHA256

            4ae49f5df3e7cc9d2ed051a49fee65f033715e88d5a4c2702a48908d00648d30

            SHA512

            e37869b56660a49a833e4c243f6187c64237cb053b61ba109507149f738387222897f3b5121ca74a04bc82fed1820b35f23698136a597cf3728c440d41afdf36

          • \Users\Admin\AppData\Local\Temp\f76b27d.exe

            Filesize

            97KB

            MD5

            e0ffcb35552ad2d18ff7e30cad53d810

            SHA1

            7788774201449758298bd304fc7dd77e00eb3714

            SHA256

            02e6f6409b5e79835341248660b813edd65eea54596433819752b318c716e5b5

            SHA512

            acde220fa7044e859967046ff1237cbf061d91729511e6da8d3a2b24ebd9357150280da597f80c2c4c8663f213a58a4b6f7a2311b4715cd8ed9a8e1c851c8913

          • memory/624-106-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/624-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/624-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/624-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/624-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/624-138-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1064-31-0x0000000002090000-0x0000000002092000-memory.dmp

            Filesize

            8KB

          • memory/2096-6-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2096-61-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2096-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2096-58-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2096-81-0x00000000003B0000-0x00000000003C2000-memory.dmp

            Filesize

            72KB

          • memory/2096-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2096-47-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/2096-39-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/2096-38-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2096-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2096-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2096-60-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/2368-64-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-87-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-21-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-17-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-24-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-16-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-19-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-22-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-63-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-65-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-66-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-67-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-69-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-70-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-48-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2368-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2368-85-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-88-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2368-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-25-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-23-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-159-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-91-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-20-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-137-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2648-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2648-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2648-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2648-176-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-197-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB