Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/12/2024, 02:19

General

  • Target

    bc9b2c15121fd98458200783e0adf5ebcdd28e874d2f6d49adf4a4104990f725.dll

  • Size

    120KB

  • MD5

    def657f05b5260f7cad5e2fe2b72d8ac

  • SHA1

    40d29ffb66da988ef5bad02b9d543a6768ea8df5

  • SHA256

    bc9b2c15121fd98458200783e0adf5ebcdd28e874d2f6d49adf4a4104990f725

  • SHA512

    c59bdbaf5397abdb7a6c76564fdc172ae1ee34d96c2b27c73a6487cc2e7e60c9a7db3fe4363f04f5efd2d4126d0776c438355759f8b993948bdf6d61cc58adf1

  • SSDEEP

    3072:M0xFMjAtoJd45SPZD6oCh7MEDaAmSpquE:MkFMUIakZ6Iar

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 11 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 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc9b2c15121fd98458200783e0adf5ebcdd28e874d2f6d49adf4a4104990f725.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2360
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc9b2c15121fd98458200783e0adf5ebcdd28e874d2f6d49adf4a4104990f725.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2480
              • C:\Users\Admin\AppData\Local\Temp\f76e30f.exe
                C:\Users\Admin\AppData\Local\Temp\f76e30f.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:1652
              • C:\Users\Admin\AppData\Local\Temp\f76e62a.exe
                C:\Users\Admin\AppData\Local\Temp\f76e62a.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:2808
              • C:\Users\Admin\AppData\Local\Temp\f76fec9.exe
                C:\Users\Admin\AppData\Local\Temp\f76fec9.exe
                4⤵
                • Executes dropped EXE
                PID:2584
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:836

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a8ae5dd6c36dc017312e36e7b0318d18

            SHA1

            c1b743ba49332f124d6f5e4334d73fb861d4726e

            SHA256

            705e4ce23103f42b3ff599df78cb9c64bfdef7eea54b2a14f431deb29a1ad27e

            SHA512

            e5cb017d17b40be1efbbf95fb284ddb040e5a35d084090d4cef12e5354bcb7bf17b03d09498029645f98ab5a36d48e0ed45eaabf12a33ce06bff26a1444927a2

          • \Users\Admin\AppData\Local\Temp\f76e30f.exe

            Filesize

            97KB

            MD5

            7b3a7aad4e50f4607ea3b9fdbcf653cd

            SHA1

            4b68af2ecd5a52e135014abf8a697fe6055a7e7a

            SHA256

            879f0c8fb9c69c710b04d1e6c3f17679a3ab921215557b1abba5995f741a4f16

            SHA512

            f0897da8447b2f48c9335a52cd81e1f87eca76dc6914c11b8f7e163817698b52ee93d7ae6e91c0102653d0c70e7256c448352590d132c766eef1dcd48c359ca3

          • memory/1104-28-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

            Filesize

            8KB

          • memory/1652-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-107-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-12-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-78-0x0000000001970000-0x0000000001972000-memory.dmp

            Filesize

            8KB

          • memory/1652-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-150-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-49-0x0000000001970000-0x0000000001972000-memory.dmp

            Filesize

            8KB

          • memory/1652-47-0x0000000002D90000-0x0000000002D91000-memory.dmp

            Filesize

            4KB

          • memory/1652-113-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-109-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1652-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1652-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-50-0x0000000001970000-0x0000000001972000-memory.dmp

            Filesize

            8KB

          • memory/1652-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-60-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-53-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-105-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-86-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-85-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-84-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-67-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-46-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2480-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2480-76-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/2480-79-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2480-82-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2480-58-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2480-61-0x0000000000330000-0x0000000000342000-memory.dmp

            Filesize

            72KB

          • memory/2480-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2480-77-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/2480-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2480-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2480-36-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2480-62-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2584-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2584-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2584-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2584-153-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2584-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2808-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2808-121-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2808-152-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2808-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-181-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB