Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 04:41

General

  • Target

    4efe90e85b7caf19cb5c9054ec50685be3de5082f6120f9ac175a5f0784ea9d1N.dll

  • Size

    120KB

  • MD5

    5cf92e5ac76e365f0b43270c0732ea80

  • SHA1

    c8e482b68410af4c583268775402db923a44ff9c

  • SHA256

    4efe90e85b7caf19cb5c9054ec50685be3de5082f6120f9ac175a5f0784ea9d1

  • SHA512

    5e65e6d5ff334a3d24ccc0d2ad0740a689131c45f3a58a4756bcd25913c15b8ad70ee38193505a9e975380998d1b08761b7be50147c4a332b0c012e906a3dce1

  • SSDEEP

    1536:HP/feVYzxSQt64I4FiI52FAAl7jE+F6MhPrX7la8ZL+VfN5JbIjzlRWB/5EJUnxW:v+VO0q3MhPnla9tbws/5NnxwILI

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 17 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4efe90e85b7caf19cb5c9054ec50685be3de5082f6120f9ac175a5f0784ea9d1N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2532
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4efe90e85b7caf19cb5c9054ec50685be3de5082f6120f9ac175a5f0784ea9d1N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2540
              • C:\Users\Admin\AppData\Local\Temp\f76a592.exe
                C:\Users\Admin\AppData\Local\Temp\f76a592.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:1880
              • C:\Users\Admin\AppData\Local\Temp\f76a747.exe
                C:\Users\Admin\AppData\Local\Temp\f76a747.exe
                4⤵
                • Executes dropped EXE
                PID:2908
              • C:\Users\Admin\AppData\Local\Temp\f76c16b.exe
                C:\Users\Admin\AppData\Local\Temp\f76c16b.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:2320
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1644

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76a592.exe

            Filesize

            97KB

            MD5

            ac2ca9b8899c7ceb99bffa115f55f63f

            SHA1

            2f108dddc205e0de99f7c92f4cbb3ef1db9d62c9

            SHA256

            16297b77d5e51ccb228437438ad7bfb52067008debac5cf5cbcde415b11f746b

            SHA512

            3552d1d7f162abe7592f2b1a5e0a42cafdf346291265313bad0232c012861028ca5e086ea60965c707ad8bac778774cbc417da5030c8b6ddc614021efa75a2ef

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            84e5ba534f0db933320ddcd4a2aa1ed6

            SHA1

            7a8cfdd607145e2545b9f0d998127c60e42521ce

            SHA256

            ebb0f3730b191c459aa5dd960caa8b121a4a57a53def359d2f3961ae53ddafb5

            SHA512

            053c15b9047b10a3ee499b1bf7abc58e14476b5e96e1a02f67228a1328ae4153ae4b14e516fe995125a9405ee10b710fcc6b8ebf24eb08f94bd140a23a5806c2

          • memory/1116-31-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1880-73-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-72-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-153-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-89-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-54-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1880-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-62-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1880-91-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-52-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/1880-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-70-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1880-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-25-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1880-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2320-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2320-209-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2320-165-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2320-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2320-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2540-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-7-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2540-13-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2540-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-84-0x0000000000510000-0x0000000000522000-memory.dmp

            Filesize

            72KB

          • memory/2540-42-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2540-63-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2540-51-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2540-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2540-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2540-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2540-41-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2908-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2908-101-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2908-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2908-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2908-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB