Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 03:21

General

  • Target

    e81ecc44be8e1df691fb7794348106ac06c39f670bb276bb4422b0d0226e9551N.dll

  • Size

    120KB

  • MD5

    d12c55bd3c1f465b9acf663890a38050

  • SHA1

    221bf5096ca8f9f2aeedf70d45e5166fa8e5cb2b

  • SHA256

    e81ecc44be8e1df691fb7794348106ac06c39f670bb276bb4422b0d0226e9551

  • SHA512

    04ace364dcd67e9e98eda950d2b341c2a24522a04d2a709534eec3722072daaf803753505ce9bf9495f3bd1d13138d943db3d387ac0a44ecec3177c8069a13a7

  • SSDEEP

    3072:CE2NQk/QuWiF7o9JAAhtxVQbnZETJ6d9:CE2nBb+JxBeZeod9

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 10 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1076
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1152
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e81ecc44be8e1df691fb7794348106ac06c39f670bb276bb4422b0d0226e9551N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:236
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e81ecc44be8e1df691fb7794348106ac06c39f670bb276bb4422b0d0226e9551N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2548
              • C:\Users\Admin\AppData\Local\Temp\f769b65.exe
                C:\Users\Admin\AppData\Local\Temp\f769b65.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:1740
              • C:\Users\Admin\AppData\Local\Temp\f769d68.exe
                C:\Users\Admin\AppData\Local\Temp\f769d68.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:2636
              • C:\Users\Admin\AppData\Local\Temp\f76b9ae.exe
                C:\Users\Admin\AppData\Local\Temp\f76b9ae.exe
                4⤵
                • Executes dropped EXE
                PID:1576
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1516

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b938a3f25d7e88f283045127200cf3df

            SHA1

            8aa135af48d93ce580931625879258c8ae2728b3

            SHA256

            88ff08dfdf5a8a19bdab88e4af47991c049130a3ed0895cbfeec6c6dc3442788

            SHA512

            2c29e0094082051f868ee2f0cb9e08e8b5c563d0cc583e38d571e20c74f877789dca67c67398227d7236a0a383b0c62e7c0274824bc4d09254886ea6468e178a

          • \Users\Admin\AppData\Local\Temp\f769b65.exe

            Filesize

            97KB

            MD5

            3f528075b45e63163732d3eb14627032

            SHA1

            76029665353de00d024427832ce7c2be622de632

            SHA256

            ecd47f10f281c365d150194c199d9c552c53c215beb4675960a69793c1c470f9

            SHA512

            91c6b2ea229d34121f8b74dfa765f50516175d086da4ad415a75e4ddc58f62dcc3d40a860c9fb9e61a44786d3664eebed32580f412a3bd2380ef22dd9f6c0037

          • memory/1048-28-0x0000000001F20000-0x0000000001F22000-memory.dmp

            Filesize

            8KB

          • memory/1576-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1576-128-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1576-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1576-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1576-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1576-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-65-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-15-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1740-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-20-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-48-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/1740-147-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-19-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-16-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-107-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-106-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-17-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-22-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-14-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-13-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-63-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-92-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-66-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-64-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-68-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-104-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1740-81-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1740-83-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-21-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/1740-18-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2548-47-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2548-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2548-59-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2548-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2548-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2548-57-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2548-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2548-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2636-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2636-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2636-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2636-159-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-185-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB