Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 21:14

General

  • Target

    5127639ca7dd6918d059fa6ed527489e132792c434f86f829746a9860d507d61.dll

  • Size

    120KB

  • MD5

    d49b0b26a53ea440ac28e062af66a0bf

  • SHA1

    881d78b3062a78d9ef0a413d3d3d8c16705d20cc

  • SHA256

    5127639ca7dd6918d059fa6ed527489e132792c434f86f829746a9860d507d61

  • SHA512

    1cd47f4f0c2992ac794939b7c1d5031773f7af5b6551808097568c4a715275593fb2916b488a1eb0e4fb50dc74e4010726f92248cd229946b61b1ce17db5e114

  • SSDEEP

    1536:108buar3CdtJ8RB100gl8F6cJ2jrU6x6QhgpfIJJswcIUROfHSI5enV:285DSkLglEZKrt/84s1fOvpenV

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1100
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5127639ca7dd6918d059fa6ed527489e132792c434f86f829746a9860d507d61.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2780
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5127639ca7dd6918d059fa6ed527489e132792c434f86f829746a9860d507d61.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1972
              • C:\Users\Admin\AppData\Local\Temp\f76318c.exe
                C:\Users\Admin\AppData\Local\Temp\f76318c.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2816
              • C:\Users\Admin\AppData\Local\Temp\f76336f.exe
                C:\Users\Admin\AppData\Local\Temp\f76336f.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2352
              • C:\Users\Admin\AppData\Local\Temp\f76535e.exe
                C:\Users\Admin\AppData\Local\Temp\f76535e.exe
                4⤵
                • Executes dropped EXE
                PID:1632
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2120

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5eb425b9d40a5e718bb068bec6401dfc

            SHA1

            71eb5ece39700b3625a2f2555373c3b64ef1766b

            SHA256

            c24aca501bf942f9897896aef250b911e78c76319d02173a68dc4dfc4da867b2

            SHA512

            886fc4455682f64c10839f8f3450639d3f59b2ec92be33ca8e9812764b9ae8b9004072b611f3fc87e6736f861dfc933c40b6ac96dcb8e560710e57757cb4bfd2

          • \Users\Admin\AppData\Local\Temp\f76318c.exe

            Filesize

            97KB

            MD5

            0d0de4b41b89e7b1709377d22731d41b

            SHA1

            0bb098cb69d8d042a0e86f89e0cfc0f2d42ef532

            SHA256

            e67dff0c436848e7ac315c6ff9b1adb54d3ef887222efa5e96b80b7e5a8b46b9

            SHA512

            9083af8338bcf61b90093694c6dcfd7d16d6add9798534711e9fd1e60869a68db84b2b940f6a5de1e2545a9e15600872fcb2f147a109f718350081a7941b07d5

          • memory/1060-24-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/1632-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1632-102-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1632-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1632-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1972-58-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1972-32-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1972-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1972-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1972-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1972-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1972-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1972-81-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1972-46-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2352-181-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-159-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-180-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2352-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2352-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2816-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-86-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-70-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-71-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-14-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-12-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-94-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-121-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-147-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-47-0x0000000000570000-0x0000000000571000-memory.dmp

            Filesize

            4KB

          • memory/2816-57-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB

          • memory/2816-49-0x0000000000560000-0x0000000000562000-memory.dmp

            Filesize

            8KB