Analysis

  • max time kernel
    38s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 23:12

General

  • Target

    88a7c03d4d95f19c549000d46e351c0414b20bf7a41c37e4d507565f6b025a75N.dll

  • Size

    120KB

  • MD5

    b0657cfb9b30c690c58ccd4fc0d7adf0

  • SHA1

    1eb16eb6efff097eda62f2347d7eacf3a06ea405

  • SHA256

    88a7c03d4d95f19c549000d46e351c0414b20bf7a41c37e4d507565f6b025a75

  • SHA512

    181e14abd8129bd6a6ffa2b38e4fd82cd88d7aa98c264be8e1d404b1d0ee581a6677920b5f0612863e4b57168ae4961bdcdbd0415f4d801f784af10abd31775b

  • SSDEEP

    1536:zO881tjPJOECLx8+NUZaX3VRzazIWi4ClCOsnvWb8goVxkzhBbGjIWvBXJmXo:zO8Y5hgScbl1Cu8go4dJqIUUY

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 1 IoCs

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

  • UPX packed file 19 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\88a7c03d4d95f19c549000d46e351c0414b20bf7a41c37e4d507565f6b025a75N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2604
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\88a7c03d4d95f19c549000d46e351c0414b20bf7a41c37e4d507565f6b025a75N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:324
              • C:\Users\Admin\AppData\Local\Temp\f7874f1.exe
                C:\Users\Admin\AppData\Local\Temp\f7874f1.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:2396
              • C:\Users\Admin\AppData\Local\Temp\f787713.exe
                C:\Users\Admin\AppData\Local\Temp\f787713.exe
                4⤵
                • Executes dropped EXE
                PID:2708
              • C:\Users\Admin\AppData\Local\Temp\f788f25.exe
                C:\Users\Admin\AppData\Local\Temp\f788f25.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:336
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1440

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            786659438aaeb76a1ddf38d047118a86

            SHA1

            07c801bcb438f86e36eacce395739ef47c136bcb

            SHA256

            7418123a0b6711a6ced1f4e515d9937897f2c3eea9803b5a05dd69b0baea378a

            SHA512

            83e0640d92c769089a8c3c28fd24c5380df93eb041849ce30dd27a6609120ec46ea10a41d11a21edfee125e0409a518ca2f49f06315073a531b752f90aa1c202

          • \Users\Admin\AppData\Local\Temp\f7874f1.exe

            Filesize

            97KB

            MD5

            8c00d8909985a8e93cc36eed9adfb218

            SHA1

            3c9f69643cf90d756d2833c824a455691c872c29

            SHA256

            7628c3d167cae9a229fa5cbd4b4ec0e931c4b3130306ca3ebb299bd1fe2654af

            SHA512

            4b80c6b493a9a4b655c4cd516cc24627d0a3bfdd375675e49ebce75730f3e4294ea5c4e03f6c57d589a781f3ee62751c6e5815931eacd32e434a03dbff11759f

          • memory/324-51-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/324-42-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/324-68-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/324-77-0x0000000000160000-0x0000000000166000-memory.dmp

            Filesize

            24KB

          • memory/324-52-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/324-9-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/324-30-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/324-29-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/324-50-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/324-8-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/324-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/336-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/336-143-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/336-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/336-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/336-144-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1088-20-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2396-41-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-80-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-55-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2396-56-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2396-40-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-62-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-78-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-79-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2396-81-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-39-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-103-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-38-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2396-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-12-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-117-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2396-129-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-130-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-134-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2708-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2708-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB