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
    22-12-2024 06:43

General

  • Target

    906112bff82ce544eb488aa538bc50644038d743c75fdc74c5b7eb9281be6b2c.dll

  • Size

    120KB

  • MD5

    4e079bea91961cb95b37607a010c8092

  • SHA1

    5f9fdd19170ab411176f9eb6ed7e4a7b76a70560

  • SHA256

    906112bff82ce544eb488aa538bc50644038d743c75fdc74c5b7eb9281be6b2c

  • SHA512

    0c7fd5959c8eedc391c0e194a845df35062df6780392286cd41d270f7a4c3b26bb1ae6cc324a3be88811115ac1d5bad5c4f6cf9d9b026332161d58081061cfef

  • SSDEEP

    3072:qeONJ7+0EOpva/JtKhikimqfD7N4FMjLnL5+kfa0y:PObtD18gJqfD6FUL5+kfa0y

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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1260
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\906112bff82ce544eb488aa538bc50644038d743c75fdc74c5b7eb9281be6b2c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1876
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\906112bff82ce544eb488aa538bc50644038d743c75fdc74c5b7eb9281be6b2c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2656
              • C:\Users\Admin\AppData\Local\Temp\f76fa08.exe
                C:\Users\Admin\AppData\Local\Temp\f76fa08.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:2700
              • C:\Users\Admin\AppData\Local\Temp\f76fb8e.exe
                C:\Users\Admin\AppData\Local\Temp\f76fb8e.exe
                4⤵
                • Executes dropped EXE
                PID:2008
              • C:\Users\Admin\AppData\Local\Temp\f771eb7.exe
                C:\Users\Admin\AppData\Local\Temp\f771eb7.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:1172
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1544

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fecaef3fcc834c106115a51238829dbe

            SHA1

            1b89118b6624562f33c0854546760f98bc8ce525

            SHA256

            d1527de15a1d03de1c753d2c735a25293e8e4026fb6c9f3828043f2988c1e941

            SHA512

            ebcf13af3be1f694fa783df788279977da52593eaa72b28f2fb479a2ca7cbf5487b7a5f0f91a6e94a15eaa2d6119c18294630d6b08b76d49789255dc63ec30fd

          • \Users\Admin\AppData\Local\Temp\f76fa08.exe

            Filesize

            97KB

            MD5

            e824e90442b856fc203994d2989653e2

            SHA1

            019f423ef78b2b1795f6da9404248600429ebac1

            SHA256

            8a3215ee3a3b271bbb00c73ed55695cdd28fdef0fd0e35fa5ccd0b010464e207

            SHA512

            ffbb19c2d9aad51a893571937d4a47891a2e7c0ff6a4e8534f5dce495d365b467c252e616cafc6379137bb40da8c656c6e93eed01f92bbda8c495f7c00e67a69

          • memory/1128-28-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1172-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1172-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1172-209-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1172-166-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1172-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1172-104-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2008-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2008-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2008-118-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-95-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2656-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2656-60-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2656-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2656-38-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2656-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2656-47-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2656-82-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2656-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2656-211-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2656-81-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2656-83-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2700-48-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

            Filesize

            4KB

          • memory/2700-50-0x0000000002EC0000-0x0000000002EC2000-memory.dmp

            Filesize

            8KB

          • memory/2700-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-69-0x0000000002EC0000-0x0000000002EC2000-memory.dmp

            Filesize

            8KB

          • memory/2700-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-85-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-14-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-105-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-106-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-108-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-110-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-51-0x0000000002EC0000-0x0000000002EC2000-memory.dmp

            Filesize

            8KB

          • memory/2700-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-149-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-13-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB