Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 04:43

General

  • Target

    c61080b2053d469f9fd51fea056abf12669a92c5c1ee4257fd162d5039317153.dll

  • Size

    120KB

  • MD5

    1901d561a8f0ab76de2d748818c0719a

  • SHA1

    73def8243376ecf609eea8825578829fd15227b0

  • SHA256

    c61080b2053d469f9fd51fea056abf12669a92c5c1ee4257fd162d5039317153

  • SHA512

    b5794bd4f26a2ed92398fbc6ba5be4a7a145dc98c66be48035c78b1f615fd94f3e01eda7b672cf3d1c7184ca1170377486f0adcd64a66b76ca24f3b438fc4c23

  • SSDEEP

    1536:MqEFDRUCUFxB4QIEwW3ClSP/AB9WYdFXaJWgDaxUUF/Kb6uNYkkMB:nCt+xB5IEGl4HfaaU1o6CYVMB

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 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 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c61080b2053d469f9fd51fea056abf12669a92c5c1ee4257fd162d5039317153.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2160
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c61080b2053d469f9fd51fea056abf12669a92c5c1ee4257fd162d5039317153.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2660
              • C:\Users\Admin\AppData\Local\Temp\f770f6c.exe
                C:\Users\Admin\AppData\Local\Temp\f770f6c.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f771381.exe
                C:\Users\Admin\AppData\Local\Temp\f771381.exe
                4⤵
                • Executes dropped EXE
                PID:1776
              • C:\Users\Admin\AppData\Local\Temp\f773295.exe
                C:\Users\Admin\AppData\Local\Temp\f773295.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:2392
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a33aac844fecc4e6cb6e0cf190a2be45

            SHA1

            656c84f4b9f750c62e1ae52ee9d128853124edfa

            SHA256

            d210637c2ee910c4ccba8a96d61a64263d2b52d8597dec26a28116bace905bff

            SHA512

            6b924a8f9b984aaecfb4d456f99901a090a54d89d64fb38c63cc3097f0536a9c54c5cb12e62d1d430ef78bca2eca0eee8ad3802470c9266a648fb5c5888d7fe6

          • \Users\Admin\AppData\Local\Temp\f770f6c.exe

            Filesize

            97KB

            MD5

            aabf6e4da2db7e6d74322ceefa9c0313

            SHA1

            b77a121679d46601edf948f3d6f2f9f328c3cbdc

            SHA256

            9a345049bb944c3ec301048ff33d817f1e0f42786955794421ccb5859179b514

            SHA512

            3d2f3a8da1380b8d902de477a911833b6db34498cf9efdbd0d53744f48af9285edcd17eaa223fd2e84247b29e6b2320f82f79ef9dc006e49ed039551522d09b7

          • memory/1104-28-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/1776-123-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1776-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1776-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1776-93-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1776-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1776-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2392-206-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2392-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2392-148-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2392-104-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2392-166-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2392-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2660-56-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2660-37-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2660-55-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2660-35-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2660-34-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2660-81-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2660-8-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/2660-75-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2660-76-0x00000000006D0000-0x00000000006E2000-memory.dmp

            Filesize

            72KB

          • memory/2660-77-0x00000000006D0000-0x00000000006E2000-memory.dmp

            Filesize

            72KB

          • memory/2696-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-59-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-83-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-44-0x0000000002DD0000-0x0000000002DD1000-memory.dmp

            Filesize

            4KB

          • memory/2696-47-0x00000000017E0000-0x00000000017E2000-memory.dmp

            Filesize

            8KB

          • memory/2696-64-0x00000000017E0000-0x00000000017E2000-memory.dmp

            Filesize

            8KB

          • memory/2696-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-107-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-113-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-147-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB