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
    27-01-2025 03:31

General

  • Target

    c37ae5d1f41dbadb46e53099d1bca878a6c1065ffb17424fd77e8835842e7224.dll

  • Size

    120KB

  • MD5

    820ba8e108d99e1821c07d09aa1564da

  • SHA1

    50e287d995f0f0174bc4e58453304318b9d65a2d

  • SHA256

    c37ae5d1f41dbadb46e53099d1bca878a6c1065ffb17424fd77e8835842e7224

  • SHA512

    87fca18ea00b286ccfc5aed58e97df99533ff3f55a79239ff8496f46683fc1d4afc91543a32fd32b8e0a6edaa4c0bb56061e63585684df836879d23451e19889

  • SSDEEP

    3072:bkFeojNP/qKNWqFL4rbhPXuAKA1TqExyrfXS:YFZ/qKNWM4nhGXeqExgS

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 25 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c37ae5d1f41dbadb46e53099d1bca878a6c1065ffb17424fd77e8835842e7224.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2240
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c37ae5d1f41dbadb46e53099d1bca878a6c1065ffb17424fd77e8835842e7224.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1628
              • C:\Users\Admin\AppData\Local\Temp\f764da3.exe
                C:\Users\Admin\AppData\Local\Temp\f764da3.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:3056
              • C:\Users\Admin\AppData\Local\Temp\f764f0a.exe
                C:\Users\Admin\AppData\Local\Temp\f764f0a.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:2548
              • C:\Users\Admin\AppData\Local\Temp\f76696d.exe
                C:\Users\Admin\AppData\Local\Temp\f76696d.exe
                4⤵
                • Executes dropped EXE
                PID:580
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1448

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f764da3.exe

            Filesize

            97KB

            MD5

            88288da4af821eebed526f24805f8206

            SHA1

            a9d73028a38e999e78b4b2d4c3b821af5ca6c130

            SHA256

            2328a9b0f4076fe8d500b889d07ebdcf44a6014c42f2adbd926bf49063390ce4

            SHA512

            54f366716840f7ccb581a2aa0bf568ef365526f95f65ec82cc2a480137c48509901623c51e865d02cd365d489cf01a38a0e84c5de6958354756b9ae42d45c240

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ac114fffecae9f86a4dbf6e36282f88a

            SHA1

            ce0e1f2e8cc16f4c4247935141b1e75de0b7c42a

            SHA256

            6812e6b501dc1a9f0f0ba45bb1a09a29cec05b5a8ec08d073877e215c02ab335

            SHA512

            5c4329afe0209075fa8698ac051719eea412ddd0992a12834860bd294893c5bc5cda6053c0a83585ff7ff098dffed55b3f1a9a568a23a5114256d08f2da10f0a

          • memory/580-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/580-107-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/580-167-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/580-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/580-109-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1108-24-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

            Filesize

            8KB

          • memory/1628-83-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1628-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-73-0x0000000000330000-0x0000000000342000-memory.dmp

            Filesize

            72KB

          • memory/1628-11-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1628-60-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1628-41-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/1628-57-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1628-33-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/1628-32-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1628-9-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1628-59-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2548-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2548-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2548-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2548-180-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-181-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2548-166-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-128-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2548-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/3056-66-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-68-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-69-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-43-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/3056-49-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/3056-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/3056-50-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/3056-85-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-87-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-89-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-62-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-110-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-111-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-15-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-154-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3056-14-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/3056-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB