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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 05:08

General

  • Target

    6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6N.dll

  • Size

    120KB

  • MD5

    52aba742b42a8b2c3f38d76c75a6e280

  • SHA1

    278b6b7fee8401e18d69e5816a8784fd242b1ecc

  • SHA256

    6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6

  • SHA512

    3c4bb4e88403c09d7f85e30382ed48deff46256883660836e1f9e69910fd41d435402c9435779147c90d8bf868d5a18697bedec6adb2349999059023654b5380

  • SSDEEP

    1536:2SVfsO/hVnR+EdiEIjy7W36Sx9tCxOCOwEdq+/mQSaY4tPjB9WGAq+868emufnNQ:ZzbR+EZH7c6S8Cq+OlB4tPdMGU8Y+2m

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 26 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2384
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bbf1bff8c2dd8396f4b3cd96993ed75ff7a9640a5a552fcd7db08314e0ac7b6N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2396
              • C:\Users\Admin\AppData\Local\Temp\f76bebd.exe
                C:\Users\Admin\AppData\Local\Temp\f76bebd.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:2504
              • C:\Users\Admin\AppData\Local\Temp\f76c0b0.exe
                C:\Users\Admin\AppData\Local\Temp\f76c0b0.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:2816
              • C:\Users\Admin\AppData\Local\Temp\f76dd35.exe
                C:\Users\Admin\AppData\Local\Temp\f76dd35.exe
                4⤵
                • Executes dropped EXE
                PID:2648
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            828bac87891702e0c22a73860f830d41

            SHA1

            816ff91d93a2c00c9955907afe2c9d8a85f15d33

            SHA256

            ba370dc23942922111eef29d8b88dd1e8f29e8b65ea799d2559ecea2bf9cbedf

            SHA512

            527fd902d9af69781e0f4817235aae6a2ffc1e07822b948f57c417945be83e6d8b2678a5d763bb11f08c5a5e7b091ee4998d9c4894f240a6e95e5d27fb761e86

          • \Users\Admin\AppData\Local\Temp\f76bebd.exe

            Filesize

            97KB

            MD5

            7081ae3911b51dff0fbf5f06dab9479f

            SHA1

            10b5eea784175357fe1422fcd3da5e30be4ef2e0

            SHA256

            9b863d39010871cfe52e1772b39a68bd2d8b1fadf96dfc2915802b3804545bf6

            SHA512

            b75855a1216d8ab5ded03e776e194fe3d74b1ab4826eb6d3dc5fca53af82fc73a943490927c1dc1346286c4a2ce0b95d2a3ac20296d48af36f7bd793f03d534a

          • memory/1112-29-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2396-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-44-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2396-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-35-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2396-54-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2396-58-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2396-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-36-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2504-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-55-0x0000000002E80000-0x0000000002E82000-memory.dmp

            Filesize

            8KB

          • memory/2504-47-0x0000000002E80000-0x0000000002E82000-memory.dmp

            Filesize

            8KB

          • memory/2504-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-45-0x0000000002E90000-0x0000000002E91000-memory.dmp

            Filesize

            4KB

          • memory/2504-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2504-83-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2504-149-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-107-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-105-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-101-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2648-127-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2648-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2648-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2648-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-99-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2816-102-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2816-126-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2816-93-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2816-155-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-187-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB