Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 20:46

General

  • Target

    531d090c340a4ac61ec0442f574f45c7284c263d67f2ef3ffc5db64b5d24bb10N.dll

  • Size

    120KB

  • MD5

    ed1bbef8c3b42905de9f72b6063c8d10

  • SHA1

    8129fa9d51e33c4c411655dfb86ecb8ff50f8593

  • SHA256

    531d090c340a4ac61ec0442f574f45c7284c263d67f2ef3ffc5db64b5d24bb10

  • SHA512

    b36c9c048130a5aeed64c3a37c0b8ae962bc0ff7f7ea7bb8523d9308affc0b7494f556f447d790bd73ad01046a7bf88c24587fd7704c18eae0dcb7d8b6b289dd

  • SSDEEP

    3072:Py1dUDwEcMquaJ9QMbaoWP9wL55Mz0wvi:a1dQcACafa5iZvi

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 24 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\531d090c340a4ac61ec0442f574f45c7284c263d67f2ef3ffc5db64b5d24bb10N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2616
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\531d090c340a4ac61ec0442f574f45c7284c263d67f2ef3ffc5db64b5d24bb10N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2396
              • C:\Users\Admin\AppData\Local\Temp\f76aa53.exe
                C:\Users\Admin\AppData\Local\Temp\f76aa53.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:3020
              • C:\Users\Admin\AppData\Local\Temp\f76ac56.exe
                C:\Users\Admin\AppData\Local\Temp\f76ac56.exe
                4⤵
                • Executes dropped EXE
                PID:2932
              • C:\Users\Admin\AppData\Local\Temp\f76c5cf.exe
                C:\Users\Admin\AppData\Local\Temp\f76c5cf.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:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1848

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            db12fc9d9422c8f1b41b44c504c1f585

            SHA1

            e2a2ef5c1be609296cb647d95ffeccf767ab86dc

            SHA256

            a09d94781cba68dd76361ea657cf53dbef6e04fd60cd5d0a8bdacf80ff180ce7

            SHA512

            99aa5f846a209489c08e3a514bad0cce5789780c207bf120be5455d48ba77f06b634529326cccc2df468e1aac031eaddc702d6d53d36dc5817ddaf4398f86ae5

          • \Users\Admin\AppData\Local\Temp\f76aa53.exe

            Filesize

            97KB

            MD5

            c76eeb93d06ea8d93c62e3158c16cce6

            SHA1

            d28dfb9fda05421aa9befa411686b25b9e50baaa

            SHA256

            4e0e93f94d8369df6a0f92ee62a9baa9a01a358f5a9cefaf199fe18141c40720

            SHA512

            03b122a08ad7bf368860b1aaabd5504ea16bd1bee55b28f5d565c4ebd560435d9c6602530b39fa4852d21130be718843842260308bd584900dd0c170286b2916

          • memory/1116-23-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2396-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2396-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2396-35-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-71-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-46-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2396-45-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2396-34-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2396-73-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2396-31-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-11-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2396-82-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2508-210-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-111-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2508-113-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2508-184-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2508-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2508-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2932-102-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2932-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2932-47-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3020-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-62-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-61-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-85-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-89-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-90-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-58-0x0000000002E10000-0x0000000002E11000-memory.dmp

            Filesize

            4KB

          • memory/3020-60-0x0000000002E00000-0x0000000002E02000-memory.dmp

            Filesize

            8KB

          • memory/3020-157-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-59-0x0000000002E00000-0x0000000002E02000-memory.dmp

            Filesize

            8KB

          • memory/3020-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-10-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/3020-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB