Analysis

  • max time kernel
    72s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 10:30

General

  • Target

    4584aad81665846a436ed8f3bddab7f32221191c806d2c00fd425da7c9cd2e86.dll

  • Size

    120KB

  • MD5

    0821ff500c73e6f59ca593cad897a16d

  • SHA1

    32dcfd58213b81e7411121c1b82f3d6584fcbab2

  • SHA256

    4584aad81665846a436ed8f3bddab7f32221191c806d2c00fd425da7c9cd2e86

  • SHA512

    eaf33582eb17a92dfbf8959bdc78232c7aced7a66fd49758dbbe7e4da4da0ed381e0c4b9583496694edceb155aa68930a5d01929a71212fc1467af8314d0804e

  • SSDEEP

    3072:1kOJG3QLzHogFkNvIH2j/qOqE3Lf2bfteG:UUzHJkNl77f2bt

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.

  • Sality family
  • 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 21 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4584aad81665846a436ed8f3bddab7f32221191c806d2c00fd425da7c9cd2e86.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1736
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4584aad81665846a436ed8f3bddab7f32221191c806d2c00fd425da7c9cd2e86.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1128
              • C:\Users\Admin\AppData\Local\Temp\f779ecf.exe
                C:\Users\Admin\AppData\Local\Temp\f779ecf.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:2224
              • C:\Users\Admin\AppData\Local\Temp\f77a229.exe
                C:\Users\Admin\AppData\Local\Temp\f77a229.exe
                4⤵
                • Executes dropped EXE
                PID:2836
              • C:\Users\Admin\AppData\Local\Temp\f77b9dd.exe
                C:\Users\Admin\AppData\Local\Temp\f77b9dd.exe
                4⤵
                • Executes dropped EXE
                PID:2484
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1576

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f779ecf.exe

            Filesize

            97KB

            MD5

            03c23d8729858a25f586e80e63f70e3b

            SHA1

            3cf7a5faa8c5c3b4a5b584f6329412bf1a6f364e

            SHA256

            04a4c9b770f2db3c798fe537bef3195e8d35639811e790940d53450cd9ebcf24

            SHA512

            4d387bf17e7703c56b4e2e35c0688c92137750868b41a69a13c9c339c696ce2e85a3ecb2603203a2dcd6c1648fa5ec1bd63e75b12d43d85ddc8b314960e5bb9b

          • memory/1112-27-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1128-57-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1128-74-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1128-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1128-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1128-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1128-35-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1128-53-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1128-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1128-38-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1128-56-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2224-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-11-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-46-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/2224-55-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/2224-44-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2224-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-13-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-60-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-59-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-61-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-154-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2224-78-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-80-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-82-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/2224-81-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-84-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2224-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2484-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2484-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2484-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2484-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2836-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2836-124-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2836-96-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2836-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB