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Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 09:24

General

  • Target

    8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0.dll

  • Size

    120KB

  • MD5

    dc2dd583bef09c623ecd14184fd2dfad

  • SHA1

    ea1e34bc6f21389f893f654990c7d050de3b28ae

  • SHA256

    8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0

  • SHA512

    67ef791b753935e67ae607325cc132492806c3f5a75a258f93a761abae28d2fe98deebb3245477447959d238afde672cf5cca6366b2e92e324fc64e5a81ae11a

  • SSDEEP

    3072:WmXyEbYH27rTCSLubNkfumapbvn0bTrWR:W/NzP7jn0bTrWR

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 13 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1264
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1348
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1408
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2552
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8797f766ea316faea6d94333d1f57e60193d63da5148cb4bf31d8f55f9c16ed0.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3032
              • C:\Users\Admin\AppData\Local\Temp\f76dff3.exe
                C:\Users\Admin\AppData\Local\Temp\f76dff3.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:2540
              • C:\Users\Admin\AppData\Local\Temp\f76e206.exe
                C:\Users\Admin\AppData\Local\Temp\f76e206.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 policy modification
                PID:2640
              • C:\Users\Admin\AppData\Local\Temp\f76fa37.exe
                C:\Users\Admin\AppData\Local\Temp\f76fa37.exe
                4⤵
                • Executes dropped EXE
                PID:2652
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1708

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            255B

            MD5

            94356e7bacaa56ef6c1088564633b547

            SHA1

            5e813f0c4ccbf51cb99fdb813cd4ba3f500cb907

            SHA256

            a22094f287cf8e72fdcb43ba7bec2ed13c7e14bafae3c48c362f4fc3d70bfdfd

            SHA512

            79110c7e430edd8b13ac50aa42f6cb06bc8ea4797fb9f178eaf71ce421eb028c58b3ce64fe572b3c6ad82e970e3409263d8eaa441e125fc4c2b45153c86f397e

          • \Users\Admin\AppData\Local\Temp\f76dff3.exe

            Filesize

            97KB

            MD5

            3130dd7bf71bcaaadef6ed643cd1964e

            SHA1

            2bcf1c550f95564c39e86eca8a3ae9722570e955

            SHA256

            9211ed2ddb7a2c2dc822c8a2c1c28bd5b0818708a118fdf6e534ff6225843d02

            SHA512

            23ce33879045cb03c3561ac264af16a85ea515c05c7456336a1b989203b4cde55d7f060a64bc0509ea5d6d920a72d945b60c15f78d94f9b927d4e5b84b971963

          • memory/1264-21-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2540-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-12-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-51-0x0000000001950000-0x0000000001952000-memory.dmp

            Filesize

            8KB

          • memory/2540-14-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-50-0x0000000001950000-0x0000000001952000-memory.dmp

            Filesize

            8KB

          • memory/2540-150-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2540-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2540-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-69-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-39-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-109-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-40-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-97-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-42-0x0000000001960000-0x0000000001961000-memory.dmp

            Filesize

            4KB

          • memory/2540-41-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-87-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-63-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-85-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-84-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-83-0x0000000001950000-0x0000000001952000-memory.dmp

            Filesize

            8KB

          • memory/2540-67-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2640-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2640-178-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-173-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-172-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-125-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2640-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2652-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-177-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3032-43-0x00000000006D0000-0x00000000006D1000-memory.dmp

            Filesize

            4KB

          • memory/3032-9-0x00000000000F0000-0x0000000000102000-memory.dmp

            Filesize

            72KB

          • memory/3032-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3032-60-0x0000000000680000-0x0000000000682000-memory.dmp

            Filesize

            8KB

          • memory/3032-10-0x00000000000F0000-0x0000000000102000-memory.dmp

            Filesize

            72KB

          • memory/3032-30-0x0000000000680000-0x0000000000682000-memory.dmp

            Filesize

            8KB

          • memory/3032-79-0x0000000000680000-0x0000000000682000-memory.dmp

            Filesize

            8KB

          • memory/3032-31-0x00000000006D0000-0x00000000006D1000-memory.dmp

            Filesize

            4KB

          • memory/3032-81-0x00000000000F0000-0x00000000000F6000-memory.dmp

            Filesize

            24KB

          • memory/3032-59-0x00000000007D0000-0x00000000007E2000-memory.dmp

            Filesize

            72KB

          • memory/3032-58-0x0000000000680000-0x0000000000682000-memory.dmp

            Filesize

            8KB