Analysis

  • max time kernel
    28s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 06:19

General

  • Target

    3361fd892cf06af1e3637de2ce648e4e16b63e9dfe0a09c7a7e662f7cd16a451N.dll

  • Size

    120KB

  • MD5

    fe6bbb5f85656ad1950ebb48f8741850

  • SHA1

    5f3cb0db6bfe7540619529dd6d5a46196f17fe60

  • SHA256

    3361fd892cf06af1e3637de2ce648e4e16b63e9dfe0a09c7a7e662f7cd16a451

  • SHA512

    63277cd3d889458646ad7d493a1fb93dcb68c5f102a47c4116ec629761c2cde25c7fcc1148148b1de6558110b21fc715b510594339f0efa3ee97770122225853

  • SSDEEP

    1536:vZDGkT7gCWeMEr+T/cH5FayktsSv3P9RydafYcqq2MrokM6a846eLGqDOM:JGkRPMESbwFDSX9oMfYnkrXeyqDOM

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 40 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3361fd892cf06af1e3637de2ce648e4e16b63e9dfe0a09c7a7e662f7cd16a451N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3361fd892cf06af1e3637de2ce648e4e16b63e9dfe0a09c7a7e662f7cd16a451N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2340
              • C:\Users\Admin\AppData\Local\Temp\f77e4a4.exe
                C:\Users\Admin\AppData\Local\Temp\f77e4a4.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:2432
              • C:\Users\Admin\AppData\Local\Temp\f77e659.exe
                C:\Users\Admin\AppData\Local\Temp\f77e659.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\f7802fd.exe
                C:\Users\Admin\AppData\Local\Temp\f7802fd.exe
                4⤵
                • Executes dropped EXE
                PID:1700
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1192

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2a85a203fca00ebdeb1de642343ac07d

            SHA1

            0eb02c9c8bcbda47a3d0821f712ce8058de5fbe8

            SHA256

            73c71cc3c15666c91d686a226ebb63bdc48b46817a98c0246e446ae2135692ef

            SHA512

            e59516d749c64f58f641d86d59de3444d35ebed7e3a60b7d60231513612b2c1a1838efd60510e54d9cd4c82e25ee3ea868e5de08a1a54dba5ac35572ed04879f

          • \Users\Admin\AppData\Local\Temp\f77e4a4.exe

            Filesize

            97KB

            MD5

            7d07645cd46cc95b1014dd4d72e5668f

            SHA1

            4c72570bda19d4b3262b6f2ed0b77403fea7b435

            SHA256

            8beccb3927f6c97abc29599c32e57014f30d6efdc5f5903f53b7a39126dc4708

            SHA512

            ffec58a2029a0dc11f6c8e26f0db81fcd5df027902aad6a891ad0355c774b721807ccbf70825a00289110b2018c6468793e1cf21ed9dc07a5242d63a301d490f

          • memory/1116-31-0x0000000001FE0000-0x0000000001FE2000-memory.dmp

            Filesize

            8KB

          • memory/1700-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1700-109-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1700-195-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1700-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1700-177-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1700-111-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2340-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-38-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2340-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-58-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2340-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-63-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2340-64-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2340-48-0x0000000000260000-0x0000000000261000-memory.dmp

            Filesize

            4KB

          • memory/2340-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2340-39-0x0000000000260000-0x0000000000261000-memory.dmp

            Filesize

            4KB

          • memory/2432-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2432-23-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-25-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2432-49-0x00000000018F0000-0x00000000018F1000-memory.dmp

            Filesize

            4KB

          • memory/2432-22-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-62-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2432-60-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-61-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-67-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-68-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-71-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-72-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-73-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-74-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-88-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-90-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2432-14-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-24-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2432-154-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2716-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2716-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2716-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2716-176-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-191-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2716-190-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB