Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 22:02

General

  • Target

    88b3b6dfee1b32656ca066c264b06250abeeca011edf5a0e5600e56fed20f0d8N.dll

  • Size

    120KB

  • MD5

    05a961bf4cfb8be7ffb83454d5c2d6b0

  • SHA1

    0687239408d0db9d233917bb17420a86bc547797

  • SHA256

    88b3b6dfee1b32656ca066c264b06250abeeca011edf5a0e5600e56fed20f0d8

  • SHA512

    8edd590e99a0a0125db81ce6353409627244e6015dcec1f1f23a6e423930256a8c1bda5de2d5eaf95fa970c9c9915e6403d2ffdc0ca1b3cc9f38cbc86d977ffb

  • SSDEEP

    3072:J6AqmJvSYdOrKLWrVX8nFQaCGf5/s5Ua:NJvr7LeXquGf5/2

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 15 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\88b3b6dfee1b32656ca066c264b06250abeeca011edf5a0e5600e56fed20f0d8N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1960
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\88b3b6dfee1b32656ca066c264b06250abeeca011edf5a0e5600e56fed20f0d8N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:340
              • C:\Users\Admin\AppData\Local\Temp\f76b912.exe
                C:\Users\Admin\AppData\Local\Temp\f76b912.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:2240
              • C:\Users\Admin\AppData\Local\Temp\f76bb15.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb15.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2752
              • C:\Users\Admin\AppData\Local\Temp\f76d47e.exe
                C:\Users\Admin\AppData\Local\Temp\f76d47e.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:2740
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2040

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            721f6d7121d7ccc9a5c6a2fa953b6d3a

            SHA1

            7fa6aa00e4fb8b6b389cc5c8c2415f734d666007

            SHA256

            5dce5437697867daae007bad9ed2ee10db87e17cb06ab87470637307786566e1

            SHA512

            875fc27f2d2bc2e1db08fd867924044ce891a5a1adeac4c363e78115a3edc1a862f111a4c87becfc925c17dccb83b68416532355b107fa86b29f9d850bc7ac54

          • \Users\Admin\AppData\Local\Temp\f76b912.exe

            Filesize

            97KB

            MD5

            b975ff476a694e19d86f52c51a28d695

            SHA1

            0fa80cff406244a6f83dd226c7982b321e8a0cce

            SHA256

            7a03d010156499294f67ca93108fafb1ef21d585f1f86a4b81741701188dedd8

            SHA512

            32aab108b703b56807b3462f076cc14ac53e6206b569e3dc8b73fece9ab7ec90ef5b215db5f0c2d279d76803dc7bfd15ee87c73734e1b87ca308d716cd1d86af

          • memory/340-85-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/340-75-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/340-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/340-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/340-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/340-13-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/340-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/340-86-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/340-88-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/340-7-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/340-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/340-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/340-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/340-40-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/340-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/340-61-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/1120-31-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2240-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-52-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2240-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-60-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2240-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-72-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-166-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-50-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/2240-84-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2240-90-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-92-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-94-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-95-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-167-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-145-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2740-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-89-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-115-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2740-116-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-105-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2752-144-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2752-112-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2752-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-174-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-205-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-114-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB