Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 13:33

General

  • Target

    f9fffc21a697febde4312cf0f2eddcd995c9239677a6f9c931473a44ef79bcacN.dll

  • Size

    120KB

  • MD5

    22d86575345e994d970f0c5bf6c73360

  • SHA1

    f48468e772e1db2285fb2d4e618111795852102e

  • SHA256

    f9fffc21a697febde4312cf0f2eddcd995c9239677a6f9c931473a44ef79bcac

  • SHA512

    bc6266fe685edad539e1174da7a37722c70234172cc62dd70119805f441a47d5d03265aff0b3e74092f5adba3e1dc3edf9b2c99a5f4c00050fa0bb1f694e6b2f

  • SSDEEP

    1536:SFnXP98ynlLUCc4iNMjwlQxTSdHrYftixOgQst79TNYCrf8MeZ4P10+f:8qlf4WMwliTSdLYfcgzO9Jvf8ei+

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 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:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1120
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9fffc21a697febde4312cf0f2eddcd995c9239677a6f9c931473a44ef79bcacN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2636
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9fffc21a697febde4312cf0f2eddcd995c9239677a6f9c931473a44ef79bcacN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1664
              • C:\Users\Admin\AppData\Local\Temp\f76b4bf.exe
                C:\Users\Admin\AppData\Local\Temp\f76b4bf.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:2056
              • C:\Users\Admin\AppData\Local\Temp\f76b683.exe
                C:\Users\Admin\AppData\Local\Temp\f76b683.exe
                4⤵
                • Executes dropped EXE
                PID:3004
              • C:\Users\Admin\AppData\Local\Temp\f76d079.exe
                C:\Users\Admin\AppData\Local\Temp\f76d079.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:1888
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1492

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b4bf.exe

            Filesize

            97KB

            MD5

            e44711c4e6ce7231020b5f9b1c89e0c8

            SHA1

            a57605199667f41d7adfc1ced132d6f8ca82c00b

            SHA256

            8555afedb5b03888fd89f7b2dde5d94fb731db197ef908e94b9a2c5590a27d1d

            SHA512

            0d5aab4673a2fa56baab7f73473b5eb2785f117518276379f38a4929886d54b35d4a564905ee0326885111d5c404702fd17736ce24f7073afb841c9c442ece2b

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            0d476a9e91a09f50700c1cf4318b5b91

            SHA1

            eb84ff4d5bf86e1c34d3e15037914dfd37a308f7

            SHA256

            49159785311f632c22944b2667d218a663b070f8e401e214e5af4751238d4ec9

            SHA512

            a7a08f76a9cc610a7968bfb92f228a080b3d8ef607e59a368e2dce3d1a2ea84be8548185c68ab04e47ca03c2ce580a9affe2605434ef5e8ce2bc3d79700fbeef

          • memory/1052-26-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

            Filesize

            8KB

          • memory/1664-61-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1664-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1664-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1664-12-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/1664-84-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/1664-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1664-62-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1664-43-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1664-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1664-50-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1664-60-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1664-34-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1664-33-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1888-109-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1888-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1888-214-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1888-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1888-169-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1888-133-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1888-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2056-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2056-89-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-47-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2056-44-0x0000000000320000-0x0000000000321000-memory.dmp

            Filesize

            4KB

          • memory/2056-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-69-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-71-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-72-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-73-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2056-46-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2056-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-87-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-92-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-25-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-113-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-157-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2056-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-187-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3004-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3004-170-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3004-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB