Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 22:40

General

  • Target

    e8c62d2d7a2090d6c3a112fdb233476fa762c87b3388ee5ead995cab7dcf5372.dll

  • Size

    120KB

  • MD5

    0bf397c29a2900e59110990a6b9b5487

  • SHA1

    579d5b712076f3fffee004cbdeed2748330179d4

  • SHA256

    e8c62d2d7a2090d6c3a112fdb233476fa762c87b3388ee5ead995cab7dcf5372

  • SHA512

    195a721a83d054ad60c33082abc4ec54ec0abecd68610c93edf1e4ad82f5608bb8d2f10604a70861667d9501b88e753b82e280b7ce4c13906f8701f90b8079bf

  • SSDEEP

    3072:kxE2oXFzDnnkFLT4Q7QRzxNEHxwvRYYGY7u:rz9jkV3+zkxwpYt/

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 16 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:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8c62d2d7a2090d6c3a112fdb233476fa762c87b3388ee5ead995cab7dcf5372.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2616
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8c62d2d7a2090d6c3a112fdb233476fa762c87b3388ee5ead995cab7dcf5372.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2340
              • C:\Users\Admin\AppData\Local\Temp\f76b0a9.exe
                C:\Users\Admin\AppData\Local\Temp\f76b0a9.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:1744
              • C:\Users\Admin\AppData\Local\Temp\f76b24f.exe
                C:\Users\Admin\AppData\Local\Temp\f76b24f.exe
                4⤵
                • Executes dropped EXE
                PID:2792
              • C:\Users\Admin\AppData\Local\Temp\f76cc44.exe
                C:\Users\Admin\AppData\Local\Temp\f76cc44.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:2524
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1228

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b0a9.exe

            Filesize

            97KB

            MD5

            5892a141dbbf0426a8271c4c867ebd38

            SHA1

            0efbc05758e2cd1b5559fff9d68bcc9c796394c5

            SHA256

            88a80e7d5c139e180f4a34b53938c39bcd33caeba45e44e162ebd462790dd9c6

            SHA512

            4d45b01d2ef035dc2818a3c5108f72bcc0e743a21ace2b0c84c7aeb7fe9c328b8c4d257abfb02140eb0fc9820386a0f240c4539c332be38f8332dec34d095d62

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4ce884a23227d863a44fa57df8a1b44b

            SHA1

            bc966ca1e2cd9fb6843a609e1f4d73f0cefe9967

            SHA256

            6e8c13f86d39da35594ff0eb3340e8d5a3374ac6608ea6ab9e7b0a4c8ca1aa3d

            SHA512

            e5c13dc7c3347de1543ff21a1d0eaf8f1295a8c582c6e5c1198ae4ec33047366e554d43be9bb74bea34ca847438e5dcf1cc170b2d5ec6264dcaf481f3d68cd53

          • memory/1096-27-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1744-26-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-60-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1744-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1744-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1744-91-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-90-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-89-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1744-157-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-88-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-73-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-46-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1744-72-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1744-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-57-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2340-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-35-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2340-36-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2340-38-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2340-45-0x0000000000590000-0x000000000059E000-memory.dmp

            Filesize

            56KB

          • memory/2340-56-0x0000000000550000-0x0000000000562000-memory.dmp

            Filesize

            72KB

          • memory/2340-77-0x0000000000570000-0x0000000000582000-memory.dmp

            Filesize

            72KB

          • memory/2340-85-0x0000000000570000-0x0000000000582000-memory.dmp

            Filesize

            72KB

          • memory/2340-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-54-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2340-13-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2340-7-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2340-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2524-109-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2524-137-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2524-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2524-173-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2524-213-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2792-104-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2792-136-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2792-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2792-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2792-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB