Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 05:52

General

  • Target

    b0d70529238fab705ccab0f40d41c956e074698a4e9cde772225fb35c5a294cf.dll

  • Size

    120KB

  • MD5

    d65a48f11b5da8a1e7bc41365eb94c41

  • SHA1

    4a73e5c6b7e1b8bbf2b3b0ff9817d1f432712d07

  • SHA256

    b0d70529238fab705ccab0f40d41c956e074698a4e9cde772225fb35c5a294cf

  • SHA512

    336ee43075897abaf5ab098ad80107e9be1304f59c953c24525741d535388d4081c7cbb0770e28c50f7ce2aaacf964ddc8fdeea8d29b42e29a8ec6b41b37a542

  • SSDEEP

    1536:SU6/2SR0GfaMx8TLkCjXznv8Y78xgZ2CgD1h7fQJ8b11D6LlB6Gww:SX2GiMx0LVjXT8YYW1MnMJQ/yuG

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 23 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:1108
    • 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\b0d70529238fab705ccab0f40d41c956e074698a4e9cde772225fb35c5a294cf.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2164
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0d70529238fab705ccab0f40d41c956e074698a4e9cde772225fb35c5a294cf.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2124
              • C:\Users\Admin\AppData\Local\Temp\f771e69.exe
                C:\Users\Admin\AppData\Local\Temp\f771e69.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:2392
              • C:\Users\Admin\AppData\Local\Temp\f77204d.exe
                C:\Users\Admin\AppData\Local\Temp\f77204d.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:2716
              • C:\Users\Admin\AppData\Local\Temp\f773d5e.exe
                C:\Users\Admin\AppData\Local\Temp\f773d5e.exe
                4⤵
                • Executes dropped EXE
                PID:2008
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1432

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            da95a4f2d5acf815f80a80a5ca7faae9

            SHA1

            b934e98a5ffb0013ace138ce31a32ae2ecc215ea

            SHA256

            93ead364f4a6b29fcaf2e6c8b2a21bc3f94e42bb9ca66153c7b2a3fb15278dbc

            SHA512

            4eb015e4ddb4f1878fdd046bb94ea939b91af120abddf96aa206fcd6172e991cdb3aacbfdbe1e8e37282530cb442346abd19cd6404bab442d2cdeef05be4a6e1

          • \Users\Admin\AppData\Local\Temp\f771e69.exe

            Filesize

            97KB

            MD5

            71846b2a4484eb771570f2182e61b095

            SHA1

            05d43388ca7ba5d8607a34592015926668fe858a

            SHA256

            8d5a82e39a2d019c97123bc2ca4254796efbe5ee94fde376ae4caaae74e31297

            SHA512

            2a57bbd9f7dfb13db12c4c0fc5983e15755e5d573a7e02a8e9ba45b2f93be89372c8a83db7230d091e0f28754bd514a159294743b17567c0f549f90bf9cb956f

          • memory/1108-28-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2008-101-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2008-104-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2008-102-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2008-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2124-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2124-73-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2124-58-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2124-49-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2124-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2124-46-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2124-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2124-36-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2124-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2124-72-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2392-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-14-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-60-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-59-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-61-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-62-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-50-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2392-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-68-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-84-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-47-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2392-12-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-45-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2392-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2392-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2392-150-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-128-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2716-95-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2716-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2716-162-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2716-185-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB