Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 01:30

General

  • Target

    a9e12323e67d0d6533c5f894eb8b189c3df76b77beca1bcba5444cf43c59a3dc.dll

  • Size

    120KB

  • MD5

    b8892d42400e3342cb69a20adfbd0f27

  • SHA1

    20252fce550190397ec1277dce6e24dfaf2f6592

  • SHA256

    a9e12323e67d0d6533c5f894eb8b189c3df76b77beca1bcba5444cf43c59a3dc

  • SHA512

    c7fa09209a5f7385c23258803e593bacbe7900bfea73864b1bfe4b3a06999e61d690a6e6553918330a33dd70821078994a1578b43d0c9cb8ee11f025de6789aa

  • SSDEEP

    1536:Czn8yBq5CdF9p0wc3Jtyh6ApgoEVJVkUCk6shsmn+ZKLNP/e9OvE4j71kSgS:Cz8yB7pg3c7pgoQSk6KXn5NPW+dm

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 12 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 26 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9e12323e67d0d6533c5f894eb8b189c3df76b77beca1bcba5444cf43c59a3dc.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2980
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9e12323e67d0d6533c5f894eb8b189c3df76b77beca1bcba5444cf43c59a3dc.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1812
              • C:\Users\Admin\AppData\Local\Temp\f76f6be.exe
                C:\Users\Admin\AppData\Local\Temp\f76f6be.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:2616
              • C:\Users\Admin\AppData\Local\Temp\f76fb30.exe
                C:\Users\Admin\AppData\Local\Temp\f76fb30.exe
                4⤵
                • Executes dropped EXE
                PID:2056
              • C:\Users\Admin\AppData\Local\Temp\f771287.exe
                C:\Users\Admin\AppData\Local\Temp\f771287.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:2820
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1292

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            db6f48b03a87ebca45f192da149b2b70

            SHA1

            a94f27bef5f834cd4f53a3a1d0198ce0c74a9ce0

            SHA256

            dfff6bc7fb40e9d3bca915a2230d218dddeae3f1f27ff38d7a5b21295dcff556

            SHA512

            7fcb2a4b27513b76c579764d4fdcfd56d22d69c6752fc2d6c983278a0131c12c9854cc52c9e874944d8fbc97c02e5ad24640f2f5e738ef7f51ea3aa909755c22

          • \Users\Admin\AppData\Local\Temp\f76f6be.exe

            Filesize

            97KB

            MD5

            64e81eb3092f4081382eb448a9444cea

            SHA1

            37177ae5f43138a42d3c3626c33d976ec28f7557

            SHA256

            7b8ca0205c9ee999e36b09850896aa4b22d671f044b6e7525082f17ef507883c

            SHA512

            2ab8e187719e53525b308c4e1b85dbff1dbea4156e188e5dc95374d76898bd934bbe18c51465a588ef9db1198a3bab741c1fdd2c218e9f09ce5a56ee81f1afa1

          • memory/1100-28-0x0000000001FD0000-0x0000000001FD2000-memory.dmp

            Filesize

            8KB

          • memory/1812-36-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1812-39-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1812-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-8-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1812-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1812-35-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-57-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/1812-56-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-76-0x0000000000300000-0x0000000000312000-memory.dmp

            Filesize

            72KB

          • memory/1812-77-0x0000000000300000-0x0000000000312000-memory.dmp

            Filesize

            72KB

          • memory/1812-78-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1812-81-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2056-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2056-94-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2056-96-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2056-127-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2056-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-64-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-86-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-49-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2616-62-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-61-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-14-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-75-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2616-83-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-84-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-85-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-46-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2616-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-12-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-106-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-108-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-112-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-113-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-149-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2820-101-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2820-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2820-167-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2820-166-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-204-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB