Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 02:15

General

  • Target

    ac8bbca80e33f61fa0e6860d3750608b541505a09c40e804021579914fc14732N.dll

  • Size

    120KB

  • MD5

    0411f8d679021b5ed43f2880f30f4050

  • SHA1

    b5d47a07c4e096e072ef09a9dc293a9731a5b840

  • SHA256

    ac8bbca80e33f61fa0e6860d3750608b541505a09c40e804021579914fc14732

  • SHA512

    0f86c70fdbe73837c79fb8acd8d25af14dfe85829d440397b61b2a19b03727593223ae7020768e59638b23bc66e9dcc9216f779c2ba89d000e019cd08e9b1083

  • SSDEEP

    3072:2RHUM5SVg6K4fq9dpVrGlPNfpGJqmtwvh72Iw:sCgHj9r9GN3GJqUwQ

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 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1056
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1072
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1132
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac8bbca80e33f61fa0e6860d3750608b541505a09c40e804021579914fc14732N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2092
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac8bbca80e33f61fa0e6860d3750608b541505a09c40e804021579914fc14732N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2848
              • C:\Users\Admin\AppData\Local\Temp\f76c7a3.exe
                C:\Users\Admin\AppData\Local\Temp\f76c7a3.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:2916
              • C:\Users\Admin\AppData\Local\Temp\f76c919.exe
                C:\Users\Admin\AppData\Local\Temp\f76c919.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:3024
              • C:\Users\Admin\AppData\Local\Temp\f76e36c.exe
                C:\Users\Admin\AppData\Local\Temp\f76e36c.exe
                4⤵
                • Executes dropped EXE
                PID:2620
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1124

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            086ae4c9585d20fe174738814f11d993

            SHA1

            c898ad9fca70c79f16b5c30033f4d858b5b8e9d8

            SHA256

            9ffba8f649dcedf7b249afab48a74b952ba82453e71a6904dee8fa21db17b134

            SHA512

            730fcddfe69ebb330e1025d417b1d4d8570a61e819c3f4a28b879a1b3c7c13a173317edd8da2a951bb2109c58d87f62ffeb21dab80401bf23ad9e06b698b3bb1

          • \Users\Admin\AppData\Local\Temp\f76c7a3.exe

            Filesize

            97KB

            MD5

            2e7d695c716091c12f1da9f371ded436

            SHA1

            12e74ec67414375c9276d489ed0bbe807ac06bd9

            SHA256

            24f25efdd9fc044622a8a8c3ef9a4a94563b3fa5ea792a327c614717f37499b9

            SHA512

            d0044313e1b735bca66a2fc1d8d950184f69819f6af30d88b3821efed14f853c0616074039c3318219df87354aeb1636e471ea1ae2f75d9a55d0612ab87bc7ca

          • memory/1056-23-0x0000000001F80000-0x0000000001F82000-memory.dmp

            Filesize

            8KB

          • memory/2620-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2620-178-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2620-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2620-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2620-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2848-29-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-55-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2848-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2848-30-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2848-38-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2848-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-76-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-77-0x0000000000470000-0x0000000000482000-memory.dmp

            Filesize

            72KB

          • memory/2848-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-54-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-56-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2916-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-82-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-44-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2916-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-59-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-60-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-61-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-47-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2916-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-70-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2916-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-84-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-86-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-46-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2916-14-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-12-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-156-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-108-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-110-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/3024-97-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/3024-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3024-177-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3024-104-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3024-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3024-191-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3024-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB