Analysis

  • max time kernel
    12s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 21:27

General

  • Target

    3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.exe

  • Size

    736KB

  • MD5

    c5112174663df732115a9cd7d414d97a

  • SHA1

    f7b92adc87f580fa9b0a616385193bcfa5c25db9

  • SHA256

    3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7

  • SHA512

    682ea727bddf32a471b0ab44bd79ca067458d82a0ffcd8672ff8fd42fa5b9ffff52234f1dbf201c80e3d51f7d066013bb7a8a9ce2bd2c56bada202ff5a25ecec

  • SSDEEP

    12288:YTyjXW+48qWywrU4kGFezOAVuJ5PIRww7F5DO3HYff24r55:2IXW/8yw1ez54lI5F5SXYHj7

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
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 27 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 2 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 44 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1136
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1188
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1220
          • C:\Users\Admin\AppData\Local\Temp\3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.exe
            "C:\Users\Admin\AppData\Local\Temp\3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7.exe"
            2⤵
            • Modifies firewall policy service
            • Modifies visibility of file extensions in Explorer
            • Modifies visiblity of hidden/system files in Explorer
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • Windows security modification
            • Adds Run key to start application
            • 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 SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2176
            • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
              3⤵
              • Modifies firewall policy service
              • Modifies visiblity of hidden/system files in Explorer
              • 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 SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:2588
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1400

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0F774F87_Rar\rundll32.exe

            Filesize

            664KB

            MD5

            8ca8216260b4f5e0d6e1132e49d1d25a

            SHA1

            c7ce0406001fb3eaaf82c5ad33945f01f0dddc11

            SHA256

            ddc806307ec3d800851db6c617343cad0a5e9af8dafe867b6dc2f33dd528cf64

            SHA512

            0644472c924acb7ae9c8f4b3222e5b2d3a95a9346587a104e437ab0d0c832b05fd153d7450e6d5f5f7d685be9b222712c2c6d869c05acd7efc89f63e83e29a33

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3b02dc75283d2b05c775a6db241e26e6

            SHA1

            80cc5c89d6369d8aa94199f460f9155c84f42348

            SHA256

            2770cc5dca5a72cf99fd4be6b8e9ea25398ef3247b608b9e866312bc2d28e7a8

            SHA512

            a8ec11be2c9348d98aaa00279de5adb20e65d24b2f23c97324edd353d7490060c8bddc063c6e5b41c3ed022feb73badd051fb9fe5cd6fa126cb161275c7f4443

          • \Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

            Filesize

            736KB

            MD5

            c5112174663df732115a9cd7d414d97a

            SHA1

            f7b92adc87f580fa9b0a616385193bcfa5c25db9

            SHA256

            3c09e2072e82540233886681add2da8a0d4a21e3f4f65a4ebdaf952ff3fe5fb7

            SHA512

            682ea727bddf32a471b0ab44bd79ca067458d82a0ffcd8672ff8fd42fa5b9ffff52234f1dbf201c80e3d51f7d066013bb7a8a9ce2bd2c56bada202ff5a25ecec

          • memory/1136-16-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/2176-24-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2176-14-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-6-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-29-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2176-5-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-28-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2176-27-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2176-25-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2176-13-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-10-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-4-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-9-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-8-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-36-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-35-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-7-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-41-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-62-0x0000000000400000-0x00000000004C0000-memory.dmp

            Filesize

            768KB

          • memory/2176-0-0x0000000000400000-0x00000000004C0000-memory.dmp

            Filesize

            768KB

          • memory/2176-43-0x0000000008E00000-0x0000000008EC0000-memory.dmp

            Filesize

            768KB

          • memory/2176-58-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2176-63-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-3-0x0000000002480000-0x000000000353A000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-73-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-88-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2588-75-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-71-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-70-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-68-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-67-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-66-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-69-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-64-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-72-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-95-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2588-96-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2588-46-0x0000000000400000-0x00000000004C0000-memory.dmp

            Filesize

            768KB

          • memory/2588-74-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-97-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-109-0x0000000002810000-0x00000000038CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-112-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB