Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 05:38

General

  • Target

    6c71116d97ce15f797e3397f38345a68ecc1f5cfef88f155c76152a6acf1e6e1N.dll

  • Size

    120KB

  • MD5

    cfa76f5caa0d93252c203df38df55d10

  • SHA1

    e34c9d3f3114d3a73025cb7f9f2ecd74a1a27db7

  • SHA256

    6c71116d97ce15f797e3397f38345a68ecc1f5cfef88f155c76152a6acf1e6e1

  • SHA512

    882acfce7ddb21c7dea64141e74a71000a104b78e1b45d7adebabd95f7e4683762466529c2811a40d41ea3ac420b13db136cc154014cbc87910906105a99a807

  • SSDEEP

    3072:Cz7n2EU0BIkqau6V+VN2diav0g2VCFKXOpkJ6r:CX2Dkq368VNWJS6aYkM

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 13 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 26 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:1040
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1104
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c71116d97ce15f797e3397f38345a68ecc1f5cfef88f155c76152a6acf1e6e1N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2304
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6c71116d97ce15f797e3397f38345a68ecc1f5cfef88f155c76152a6acf1e6e1N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2540
              • C:\Users\Admin\AppData\Local\Temp\f76897b.exe
                C:\Users\Admin\AppData\Local\Temp\f76897b.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:2392
              • C:\Users\Admin\AppData\Local\Temp\f768b20.exe
                C:\Users\Admin\AppData\Local\Temp\f768b20.exe
                4⤵
                • Executes dropped EXE
                PID:1584
              • C:\Users\Admin\AppData\Local\Temp\f76ab7b.exe
                C:\Users\Admin\AppData\Local\Temp\f76ab7b.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:2696
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:808

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f519998c377f5bdabe07c77c6e82e69a

            SHA1

            eb7038cc95ad9fbb54cb7a3a7da249559e3091db

            SHA256

            c6f3a2da600a59af7406cb6f9440fcd96f22c1e528839d6158ba0d987d6dc001

            SHA512

            6d719b3b6c1f90506906a62e14febb919d14df8d94ac840792aaafc7c4ccf783e814cbefd017a1120e7cffdab513bf1725d14c51f24c4242bba34c684e0570fb

          • \Users\Admin\AppData\Local\Temp\f76897b.exe

            Filesize

            97KB

            MD5

            cfac3ea2369520373a887c8b79f6f09a

            SHA1

            007af27d54288a1fb7c8acce7676f97bac040485

            SHA256

            b83c899c1950c381fed99e00d5fd58182cf40881fbbfabb1fc0b5b5383fd0ff1

            SHA512

            66d81785450f3ca1ecef7e22a074ff35273fb44dc5d85fd38ec8de512dd78e3d6547a7c0d3c017fedaa4ed11de45d11e03b51f8959e22ae026f1360e831fba0d

          • memory/1040-28-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1584-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1584-97-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1584-91-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1584-92-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1584-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2392-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-104-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2392-140-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-139-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2392-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-14-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-13-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-112-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-109-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-106-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2392-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-61-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-46-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2392-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-103-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-65-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2392-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-102-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-101-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-58-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2540-66-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2540-45-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2540-37-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2540-36-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2540-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-56-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2540-8-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2540-79-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2540-57-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2696-98-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2696-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-145-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2696-100-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2696-157-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-199-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB