Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 01:29

General

  • Target

    f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c.dll

  • Size

    120KB

  • MD5

    143018b91ffa1cd81f065eb1f92281c9

  • SHA1

    47c54d7971400a0ea8c0c39f4000ee017995b4ca

  • SHA256

    f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c

  • SHA512

    5c4318b2826506f532cedad9761432353dc5508fdae8089fc10cabf86a4a2fc8606291e8a1c1c148a4466a7963a781796de39db745429bfc2159ba4894bbbe98

  • SSDEEP

    3072:xaWZinWLeXceEOi61i8Gfg7Buba5xwg/YKVgX:xaTceXVEOizK1z3/S

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 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:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1128
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2612
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\f266a7f4df32df4ddf5e4ba30776964cdc556e5ff52acde482ea6a47345e0f4c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2764
              • C:\Users\Admin\AppData\Local\Temp\f763bd8.exe
                C:\Users\Admin\AppData\Local\Temp\f763bd8.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:2872
              • C:\Users\Admin\AppData\Local\Temp\f763d7d.exe
                C:\Users\Admin\AppData\Local\Temp\f763d7d.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:2240
              • C:\Users\Admin\AppData\Local\Temp\f7657a2.exe
                C:\Users\Admin\AppData\Local\Temp\f7657a2.exe
                4⤵
                • Executes dropped EXE
                PID:2092
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1684

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fff84347ce18fbc29910f7bad633e558

            SHA1

            dd537f7c0bb1dcae0e292299e7802d8c228bb305

            SHA256

            d04ca51016df5d04a68fbeaafee13e6d0302abbbe5c97416505a1d60d51f6f83

            SHA512

            306c1f4b5d8befe611381218181eb186884a03037ec0adee7e2e589bc1233431ea0f0f63bc71289ab7a579a98aabf46f89f80a8dc21e34a10dfbfac84b07292e

          • \Users\Admin\AppData\Local\Temp\f763bd8.exe

            Filesize

            97KB

            MD5

            4b5f99b6336c41fefdcc724a64827848

            SHA1

            ea9cf68689cdae03a0a86096605dff162ee90957

            SHA256

            18be546100d7df9111df396b86f0075ec78fe3bf2e5a0d1de3954d9df1022749

            SHA512

            8b836a344400a7bffa48e2772a79cca4319f390cc1ce9b36b5f10615bf1d0d3a1c4dc1c04e6ebe8635cc259567047496ce7ff5cb5340c8d10622e7e1b75a7eae

          • memory/1064-29-0x0000000002030000-0x0000000002032000-memory.dmp

            Filesize

            8KB

          • memory/2092-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2092-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2092-110-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2092-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2092-140-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2240-174-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-130-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2240-101-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2240-102-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2240-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2240-197-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2764-36-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2764-35-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2764-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2764-8-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2764-9-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2764-45-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2764-57-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2764-84-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2764-56-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2764-81-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2764-82-0x0000000000380000-0x0000000000392000-memory.dmp

            Filesize

            72KB

          • memory/2764-73-0x0000000000380000-0x0000000000392000-memory.dmp

            Filesize

            72KB

          • memory/2872-49-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2872-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-72-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2872-85-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-87-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-48-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2872-46-0x0000000001660000-0x0000000001661000-memory.dmp

            Filesize

            4KB

          • memory/2872-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-12-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-162-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB