Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 05:43

General

  • Target

    dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789N.dll

  • Size

    120KB

  • MD5

    db40b7153175f6a3e9aef8b0620b2b90

  • SHA1

    75ade3e99bc5a5fefd75d369fe7a457ea7fd43fe

  • SHA256

    dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789

  • SHA512

    055d702eb19f7d353633f5e83bba810c3035e2961e4c17c6ae8716dd5a9e7b742eb7f739c1cdd54345cfb4f91feb5d555ff75c9dc65840b83e985b320ae1da0f

  • SSDEEP

    1536:9Hw4dBNhLDNL48cZqpoYrhbSVJoTacD+WsjWL0+fOm2YfKKd00Wybcj7tV:y0hLC8cMpbrhbSVgC9WL0+2jLy+hV

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 10 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 46 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:1040
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1068
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1100
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1776
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd628f75a4584abe36b86b7f8fff8775d5a0f101162c69234952f0934ffa0789N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2272
              • C:\Users\Admin\AppData\Local\Temp\f76afcf.exe
                C:\Users\Admin\AppData\Local\Temp\f76afcf.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:2508
              • C:\Users\Admin\AppData\Local\Temp\f76b165.exe
                C:\Users\Admin\AppData\Local\Temp\f76b165.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:2900
              • C:\Users\Admin\AppData\Local\Temp\f76cb5a.exe
                C:\Users\Admin\AppData\Local\Temp\f76cb5a.exe
                4⤵
                • Executes dropped EXE
                PID:2588
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2024

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            dd08f943bad32ef5bd9e7d6cbf9884cb

            SHA1

            afa4d51081cc2380e13a4b84502831dc86db3c17

            SHA256

            6626e5e0d5feba6a1bd33a0ee9dce0854e97e6736b16e44cb63d9bbbe20fe302

            SHA512

            4d69a693bb852b2ed69acba3593f889d01b1cced1a43f1a5a42d441daca0f94c05bc7308420aba8ea5c9c1504274508d3e8a7fbba3f7e2bd39d07156d0e9ffdf

          • \Users\Admin\AppData\Local\Temp\f76afcf.exe

            Filesize

            97KB

            MD5

            d7d79927c625bbff8c87ea711ccca450

            SHA1

            69db4cc876c8a9d7ca44daf8828a933ca72da566

            SHA256

            1738e045f46911510a1f4573ddb9b31d82ddbfc1db581db062b21672ff3a6bbc

            SHA512

            66c80640495bea9f10724e9f2838f6abd4360bb8593564fe5b90efee52562bc63616a6f3dd781aaeb72bbc68d93fa2da1e7551547548bf310bbaf12b395c2329

          • memory/1040-27-0x0000000001EB0000-0x0000000001EB2000-memory.dmp

            Filesize

            8KB

          • memory/2272-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-76-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2272-77-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2272-43-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2272-50-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2272-56-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2272-57-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2272-35-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2272-8-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2272-34-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2508-62-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-111-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-46-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2508-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2508-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-14-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2508-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-13-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-60-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-61-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-65-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-64-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-15-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-11-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-66-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2508-81-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-141-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2508-142-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-44-0x0000000001860000-0x0000000001861000-memory.dmp

            Filesize

            4KB

          • memory/2508-107-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-105-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-82-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-101-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-103-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-122-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2588-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2588-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2588-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-91-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2900-92-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2900-93-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2900-119-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2900-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-154-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2900-181-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-180-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB