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
    26-12-2024 06:25

General

  • Target

    4dbfb80d701b5d67b91a4837100b9aa63f8ec6e6e655d19a4bf5e5de10882346.dll

  • Size

    120KB

  • MD5

    2340169795fd645f6d939ee28e66add5

  • SHA1

    8e960eda5bfc5647eaa22fe4d3c29b6bd55b9e01

  • SHA256

    4dbfb80d701b5d67b91a4837100b9aa63f8ec6e6e655d19a4bf5e5de10882346

  • SHA512

    03518a1ffe1be45ca5032c77091a3e55873c2f8993a27a16c6a8c1e819e99c85b658cd06338e4db79e464873fb0251979df8155090b5aecc96bf18c89996d61a

  • SSDEEP

    1536:rdRWakKuD+pwKAoTgg8XUaZnLoJ4sHjGcggstdvHFgo1LMeP5aCTZCJ:r3ghn0Jj/I/HW+MeP5RgJ

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 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1208
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dbfb80d701b5d67b91a4837100b9aa63f8ec6e6e655d19a4bf5e5de10882346.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1416
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dbfb80d701b5d67b91a4837100b9aa63f8ec6e6e655d19a4bf5e5de10882346.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2688
              • C:\Users\Admin\AppData\Local\Temp\f76d088.exe
                C:\Users\Admin\AppData\Local\Temp\f76d088.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:2184
              • C:\Users\Admin\AppData\Local\Temp\f76d73c.exe
                C:\Users\Admin\AppData\Local\Temp\f76d73c.exe
                4⤵
                • Executes dropped EXE
                PID:2972
              • C:\Users\Admin\AppData\Local\Temp\f76f6cd.exe
                C:\Users\Admin\AppData\Local\Temp\f76f6cd.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:380
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:288

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f6c0d30d2c42acfc4c98a837bebb3a35

            SHA1

            390f08e563d6e4015a3126f17bb681f04dc3235a

            SHA256

            e20328f624773098dbdeae743d4bcbc517378cade08ea37e199addabb8fbccd5

            SHA512

            8f2f6a328eac147072122a88473b937147545239880cde23fb5a244c9030de5cbef1d585ec8f1d801ca1d1e69d6f09741176f6773c6656b10e85874a18286baa

          • \Users\Admin\AppData\Local\Temp\f76d088.exe

            Filesize

            97KB

            MD5

            ff9cb29e53a85f1433c03e7b23a2ee88

            SHA1

            7b158155be982c4b26bbe1538ff0ae7fcd19942b

            SHA256

            df0640a5480c0bbcb21e35c62ff233030e6afe57a3fe8771582cdbb3abc99e00

            SHA512

            b6bd7354e4072e03405bff1489a8e35d142eea82dcd1956daf89879cac0692fa223bbb39a163f5e5c731bfbe121b2597f44dfa4829f7358fc64215efe3a48d87

          • memory/380-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/380-207-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/380-167-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/380-148-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/380-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/380-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/380-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1112-28-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2184-62-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-56-0x00000000044B0000-0x00000000044B1000-memory.dmp

            Filesize

            4KB

          • memory/2184-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-15-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2184-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-43-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-46-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-60-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/2184-13-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-58-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/2184-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-147-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-61-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2184-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-109-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-67-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-108-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-77-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/2184-83-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-85-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2688-71-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2688-41-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2688-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2688-36-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2688-78-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2688-81-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2688-64-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2688-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2688-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2688-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2972-125-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2972-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2972-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2972-97-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2972-94-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2972-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB