Analysis

  • max time kernel
    30s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 16:57

General

  • Target

    8dd7421e4132520ea7a5055e0ccfb7050e1255e2f117ac393242804eb0685d9aN.dll

  • Size

    120KB

  • MD5

    481003003903f4847cf68640eefb9af0

  • SHA1

    f1fa71b857aadef84cda592d75ad719e34b355d3

  • SHA256

    8dd7421e4132520ea7a5055e0ccfb7050e1255e2f117ac393242804eb0685d9a

  • SHA512

    13066331883d1a83a14c69941c82fb8199c3774632728549f2add92bfad9d86590905f3cf4698c5a8bbfd8d9330189b026ce8aab7fa2a2033d604584029d4595

  • SSDEEP

    3072:IhnMttJyxvM2+7Haak5XpaTcs423ox3ppB:IWfJyxvML7HwHkcA3MB

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 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 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dd7421e4132520ea7a5055e0ccfb7050e1255e2f117ac393242804eb0685d9aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2380
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dd7421e4132520ea7a5055e0ccfb7050e1255e2f117ac393242804eb0685d9aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2372
              • C:\Users\Admin\AppData\Local\Temp\f76c497.exe
                C:\Users\Admin\AppData\Local\Temp\f76c497.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:2148
              • C:\Users\Admin\AppData\Local\Temp\f76c5fd.exe
                C:\Users\Admin\AppData\Local\Temp\f76c5fd.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 policy modification
                PID:2896
              • C:\Users\Admin\AppData\Local\Temp\f76e080.exe
                C:\Users\Admin\AppData\Local\Temp\f76e080.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:2736
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            d56518b61d06d40d65eb7f6e8a528b98

            SHA1

            aa7d37ce022ec3f0e157b622aceddb5c8d59cb39

            SHA256

            b226298c77516851fbd015caf1c56d6f7e1f2ed95b6238edb85f9045a06458c0

            SHA512

            1adacc025bdf691250f0c21c6464f82226f03fc7f2165f2c8e4251acfca3a87562d94cb195d40bea5881b0036873c17255603fac09c5d134d3d13c45bb8e6638

          • \Users\Admin\AppData\Local\Temp\f76c497.exe

            Filesize

            97KB

            MD5

            eb8eba38d3ce21cd0feb14afcf9bbb7e

            SHA1

            30773e27df3ad3008dfcc19e57fdada0e9bf92a5

            SHA256

            7fc93dfb7161fba289cd1f01c7973d364c05f4079aeb8cc6aba6a4199aa77f7d

            SHA512

            6f35e07a7fba278dbbf1b64438ada4f2a6727fcb4c3835d84e5a82f962e815d6835f04076c0d02a4215c07dcc00df0ec553db89574bba98926ff6be43e74599c

          • memory/1116-27-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2148-87-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-11-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-14-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-49-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2148-156-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-67-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-84-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-13-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-82-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-79-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2148-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-46-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2148-68-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-61-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-65-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2372-56-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2372-45-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2372-80-0x0000000000360000-0x0000000000372000-memory.dmp

            Filesize

            72KB

          • memory/2372-36-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2372-76-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2372-58-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2372-59-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2372-35-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2372-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-8-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2736-230-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2736-231-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2736-134-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2736-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2736-203-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2896-179-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-178-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-97-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2896-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2896-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-232-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB