Analysis

  • max time kernel
    84s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 12:10

General

  • Target

    630b009e5032a6b94818cd14e2d78ac77680e986e11f83f3e0496c9e0865714aN.dll

  • Size

    120KB

  • MD5

    20807a30b11ece9e8ad66520a62a0e90

  • SHA1

    af85e6712dcaf6f799e6e06a35c6ca72f0931315

  • SHA256

    630b009e5032a6b94818cd14e2d78ac77680e986e11f83f3e0496c9e0865714a

  • SHA512

    8ae2e8e4fbfc84588fa830b6460be923e23172a5bc2cf80dece9e8cb0f7d6aa805c612b986e71b1d0df32f7e40954b72665b045ad34b7d680c7f6348fc13ed80

  • SSDEEP

    1536:gO6ZGEJJ7JR+TMIeC4LXRlgZuVD5cu4SAde1LhS59ySbRav7e6gwQHbrv:/EJPkMLColkru4+1L6yRzSwQ7r

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 17 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 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1076
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1144
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\630b009e5032a6b94818cd14e2d78ac77680e986e11f83f3e0496c9e0865714aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2756
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\630b009e5032a6b94818cd14e2d78ac77680e986e11f83f3e0496c9e0865714aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2816
              • C:\Users\Admin\AppData\Local\Temp\f767011.exe
                C:\Users\Admin\AppData\Local\Temp\f767011.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:2840
              • C:\Users\Admin\AppData\Local\Temp\f7671a7.exe
                C:\Users\Admin\AppData\Local\Temp\f7671a7.exe
                4⤵
                • Executes dropped EXE
                PID:2168
              • C:\Users\Admin\AppData\Local\Temp\f768b8d.exe
                C:\Users\Admin\AppData\Local\Temp\f768b8d.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:880
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:644

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7c36df4386838c8c5a3c45d4ce8e28b0

            SHA1

            1255197d22dea8d8b99f0b381420081a9f4e35c7

            SHA256

            b1664fdf4db2f2a52bce3eda5e4b0ba009a3ad75a650203b20ede12e519f5e38

            SHA512

            c5ccb9bb2fc857b20f5cf1dc68dd46c1f84a9e3babeeeef8d42173054f0dce7dd8f24ce210cef735cb7922842c6a97f4074dd68d2bb98941f7d46c5211ecd20f

          • \Users\Admin\AppData\Local\Temp\f767011.exe

            Filesize

            97KB

            MD5

            e0db6dcd2a628c4650e39b8d1c213bc6

            SHA1

            b592ed7142b077a7b9b973225f55a5ae61d5557b

            SHA256

            e18361bac0b77c3e2e74751b427536baa1b836fa683494ac7bb9f90ff6259509

            SHA512

            2da2eaeeafcf72ab7548d72ad6c6639b2987e67f4cd2a1951e1fb3128e91beeff199f110f2b02424beb548702b22cfa0934ee2a4448633b33a5f799de25fd963

          • memory/880-166-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/880-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/880-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/880-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/880-211-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/880-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1076-29-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2168-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2168-175-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2168-102-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2168-130-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2168-101-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2168-105-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2816-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2816-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2816-47-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2816-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2816-83-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2816-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-212-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2816-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2816-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-59-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2816-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2816-78-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2840-15-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-67-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-69-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-70-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-65-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-64-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-73-0x0000000003000000-0x0000000003002000-memory.dmp

            Filesize

            8KB

          • memory/2840-85-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-87-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-89-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-63-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-23-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-22-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-48-0x0000000003BA0000-0x0000000003BA1000-memory.dmp

            Filesize

            4KB

          • memory/2840-51-0x0000000003000000-0x0000000003002000-memory.dmp

            Filesize

            8KB

          • memory/2840-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-154-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-13-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB