Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 12:08

General

  • Target

    92f058b923b56754fa99bc64e5ad7fc5e2a5e2ca47566bfab9fab27dbb70ad4aN.dll

  • Size

    120KB

  • MD5

    509b2838440bbf50ad70e027eeb61c40

  • SHA1

    65f2bee1330922304b3e08591718890b2cadf058

  • SHA256

    92f058b923b56754fa99bc64e5ad7fc5e2a5e2ca47566bfab9fab27dbb70ad4a

  • SHA512

    5c76e5dd8c891e9cd69d92ac442437c96c966dbeddb86f77301bf57ac028227cfac0d5700ac66417171132b697364b09cc09b9aeef50d7828fb9511a51b3b337

  • SSDEEP

    1536:UauVh7KrlYKCmmBIYZvAFY6n6UTmJNVe/gDxeBh2+1pm8vcl06PsKKWe:Ah2rlYKiIoIFd6RJDe/yArECcWWe

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 14 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 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\92f058b923b56754fa99bc64e5ad7fc5e2a5e2ca47566bfab9fab27dbb70ad4aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2452
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\92f058b923b56754fa99bc64e5ad7fc5e2a5e2ca47566bfab9fab27dbb70ad4aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2764
              • C:\Users\Admin\AppData\Local\Temp\f763a23.exe
                C:\Users\Admin\AppData\Local\Temp\f763a23.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\f763bb9.exe
                C:\Users\Admin\AppData\Local\Temp\f763bb9.exe
                4⤵
                • Executes dropped EXE
                PID:2240
              • C:\Users\Admin\AppData\Local\Temp\f7655dd.exe
                C:\Users\Admin\AppData\Local\Temp\f7655dd.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:1332
        • 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

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f763a23.exe

            Filesize

            97KB

            MD5

            70d6cbb1338703abe744c11775867258

            SHA1

            bf3ba02baf703e7d47bea838f17d0c4db83a54d0

            SHA256

            1e5e84dd84d38ef63d902c418422a32541cfa59437ad102922bfa5110e52a819

            SHA512

            0670a1e403fbd51a4964e614442b42089a1dceaf27442e8918a3137468f333d25a03356d82dedc405bab798ebc06086c1b24074f60eac38356f75fb82d67c6b1

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            96b8c0a875eb41cf79192337d0a7b0f7

            SHA1

            3cbe9ec1460f544a66721bffc871221aecdce0ba

            SHA256

            995e17ef7b2ac6026ed429c5032f4c37b946abd624e499bb06647656133b55b1

            SHA512

            d178e393d2dd97690e844aa95aec0ad77f032912c001c0deb75a0e362b2d13633b89294806aa24835c99ff622b77b7fef3fb5e0d90635de89cc2ef07f11bfd27

          • memory/1064-30-0x0000000002030000-0x0000000002032000-memory.dmp

            Filesize

            8KB

          • memory/1332-103-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1332-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1332-165-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1332-203-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1332-166-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2240-96-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2240-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2240-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-123-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

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

            Filesize

            72KB

          • memory/2764-37-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2764-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2764-9-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2764-45-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2764-10-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2764-36-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2764-84-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2764-58-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2764-57-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

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

            Filesize

            128KB

          • memory/2764-78-0x00000000004C0000-0x00000000004D2000-memory.dmp

            Filesize

            72KB

          • memory/2764-79-0x00000000004C0000-0x00000000004D2000-memory.dmp

            Filesize

            72KB

          • memory/2764-80-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2872-49-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2872-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-68-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2872-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-61-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-85-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-88-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-46-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/2872-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-108-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-109-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-113-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-114-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-147-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB