Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 14:31

General

  • Target

    f19e156cf33206c8a0d90babad14efc2649d0f3ecedea5206f4502d58886fadc.dll

  • Size

    120KB

  • MD5

    c37debe3d55dc025eae07131430a7751

  • SHA1

    9e59d4a28e1bc2a90f8ffd9ecc9dd6c26fefe918

  • SHA256

    f19e156cf33206c8a0d90babad14efc2649d0f3ecedea5206f4502d58886fadc

  • SHA512

    6a27b8fe833f486fa709a20e1658b3739d30a975274aa328113f8f1ba8e1598b532136fc13e18758406f592f69da32888d46c25dcca57b2e9592f761f184927e

  • SSDEEP

    3072:Irpb10i9FjcF4QJ5JRrhvbdCndvXyi+TwoHAMnmPWjK:exuwHeJRrhTlTHH5NjK

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 16 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\f19e156cf33206c8a0d90babad14efc2649d0f3ecedea5206f4502d58886fadc.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2196
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\f19e156cf33206c8a0d90babad14efc2649d0f3ecedea5206f4502d58886fadc.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2688
              • C:\Users\Admin\AppData\Local\Temp\f771bbb.exe
                C:\Users\Admin\AppData\Local\Temp\f771bbb.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:2768
              • C:\Users\Admin\AppData\Local\Temp\f771d12.exe
                C:\Users\Admin\AppData\Local\Temp\f771d12.exe
                4⤵
                • Executes dropped EXE
                PID:2544
              • C:\Users\Admin\AppData\Local\Temp\f77403b.exe
                C:\Users\Admin\AppData\Local\Temp\f77403b.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:2728
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2040

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            359e046118769b02ce1ebb3728f93910

            SHA1

            1ed78722373612fca6c3d4a0986ed4d16f7af01c

            SHA256

            37506bd5838caa927e747403ce2ed233ffb9f89f3edefbce5a8fbc20a0c6aa22

            SHA512

            7856677c44c657f184e83af35f729a6ddafb72372653658621013b738580ce21b224d633b58715f12651e1dbcd5f1d853182523a3dc0fdc1500d34dbd5281439

          • \Users\Admin\AppData\Local\Temp\f771bbb.exe

            Filesize

            97KB

            MD5

            991ff666df29a45fab4bce236f578a4f

            SHA1

            129e1ec30f8ec407dc7bc8384ce1ad2b82e32a12

            SHA256

            be956caf05228bc7ad65977e5155cb05c309a139324e02ec8a1d7cde7b7cf6d6

            SHA512

            bf2bb2e13a79537b494c3c89fb9451b983c137663e610e2031f6f373d8691f2985c8ee0663e7d0885ab5a21f5cf7599a58184aa51f2a505899eb219513ccfc29

          • memory/1112-19-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2544-130-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2544-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2544-98-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2544-53-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2688-11-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2688-26-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2688-6-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2688-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2688-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2688-28-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2688-27-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2688-13-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2688-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2688-84-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2688-48-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2688-47-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2688-75-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2688-74-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2688-36-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2728-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2728-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-209-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-167-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2728-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2768-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-39-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-63-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-64-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-68-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-69-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-70-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2768-38-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2768-46-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2768-52-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-61-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-86-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-62-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-35-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-34-0x00000000002A0000-0x00000000002A1000-memory.dmp

            Filesize

            4KB

          • memory/2768-51-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-108-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-110-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-15-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-150-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-49-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-54-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-55-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB