Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 18:05

General

  • Target

    d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e.dll

  • Size

    120KB

  • MD5

    1834bcbef9e5ed544c51b09047cdd764

  • SHA1

    74fa293179a17105187b90d95d1ccaa59947adca

  • SHA256

    d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e

  • SHA512

    8c415a6293bcbbd846095cb58f5de4d3cc1add63ec8dbe21680ca81f8beadd42f0ad9e5efea23258b962f3b877e6ce2171a0de49a8464fadb13d178c3adcce28

  • SSDEEP

    3072:5qxOMupR5NCza/6rg7imqZDg4fIOdm0zYgM82:tMuv5kVE7iPZDxfG0g82

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 6 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 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2772
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4e71fd09201811bfc10f5bad727d359f85796902ef65263c5324f73bb56ca1e.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2832
              • C:\Users\Admin\AppData\Local\Temp\f773360.exe
                C:\Users\Admin\AppData\Local\Temp\f773360.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:2852
              • C:\Users\Admin\AppData\Local\Temp\f7735df.exe
                C:\Users\Admin\AppData\Local\Temp\f7735df.exe
                4⤵
                • Executes dropped EXE
                PID:2800
              • C:\Users\Admin\AppData\Local\Temp\f774dd2.exe
                C:\Users\Admin\AppData\Local\Temp\f774dd2.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:2024
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3ba88442bd18cd54f73555fff1a6c329

            SHA1

            4682a7e772267c914480fd98dd72e8549eac23b7

            SHA256

            0ef7e9d02bd600abdb668716968f4ec1dd66305897976c3272fd2b605917cfcf

            SHA512

            938dc39b67a8277139382ea2ce8f0ba08d4f13fef54078ae1063bb7df0fef2f35a3f6b13a710ca5bfe7b9fb07ad5bc08f71ed68648f40a7f09ef2de60504ddcc

          • \Users\Admin\AppData\Local\Temp\f773360.exe

            Filesize

            97KB

            MD5

            46d8ffe7be9f2d08d3691e09b57cad3c

            SHA1

            43f96c7fd65da0f308942ff0c75e3fdbca9bb09a

            SHA256

            e15cf7075b95bfb788cb3fd4c3d57efbfeaa3a9fbeba9a377e626d9a2bf39667

            SHA512

            d16ef967b906b8fd208cf44b8cbe90390e5909cf2dc8c47c51159d62444cbb97657ff68ff736afd300eaddc83048a07b25213d58df22a11393a80e21b2b39153

          • memory/1092-23-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2024-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2024-167-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2024-150-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-193-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2024-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2024-108-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2800-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2800-133-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2800-101-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2800-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2832-32-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2832-71-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2832-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2832-42-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2832-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2832-53-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2832-52-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/2832-50-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2832-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2832-31-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2832-79-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2832-82-0x0000000000170000-0x0000000000176000-memory.dmp

            Filesize

            24KB

          • memory/2832-72-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2852-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-109-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-67-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-73-0x00000000005D0000-0x00000000005D2000-memory.dmp

            Filesize

            8KB

          • memory/2852-62-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-56-0x00000000005D0000-0x00000000005D2000-memory.dmp

            Filesize

            8KB

          • memory/2852-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-129-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-124-0x00000000005D0000-0x00000000005D2000-memory.dmp

            Filesize

            8KB

          • memory/2852-128-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2852-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-40-0x0000000002D30000-0x0000000002D31000-memory.dmp

            Filesize

            4KB

          • memory/2852-41-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2852-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB