Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 11:12

General

  • Target

    5b1e800b5c536834de3806cccb2ad911d4aa7e23eb73daf6fbb0fff3a6416e00N.dll

  • Size

    120KB

  • MD5

    3c51fa06fd1f9c7e06013090c7d3a460

  • SHA1

    2868f13968bda1714ed3eac0faca773fcff2fc9c

  • SHA256

    5b1e800b5c536834de3806cccb2ad911d4aa7e23eb73daf6fbb0fff3a6416e00

  • SHA512

    2a49a448998afd54084c76ffae46edcdc7c5154a688198047cf4a9301937af952b9a89a0b548a239f971a65db08c1c54d81cbd5df0e19e85fb0a06f5b752841c

  • SSDEEP

    3072:YiS4WXRQvseT3U2Nzgc4bynq5CFbdsrD:6fQvseT5Nzgcgm9b

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 8 IoCs

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

  • UPX packed file 25 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 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • 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\5b1e800b5c536834de3806cccb2ad911d4aa7e23eb73daf6fbb0fff3a6416e00N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2192
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b1e800b5c536834de3806cccb2ad911d4aa7e23eb73daf6fbb0fff3a6416e00N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2680
              • C:\Users\Admin\AppData\Local\Temp\f76756e.exe
                C:\Users\Admin\AppData\Local\Temp\f76756e.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:2776
              • C:\Users\Admin\AppData\Local\Temp\f767733.exe
                C:\Users\Admin\AppData\Local\Temp\f767733.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:2744
              • C:\Users\Admin\AppData\Local\Temp\f769138.exe
                C:\Users\Admin\AppData\Local\Temp\f769138.exe
                4⤵
                • Executes dropped EXE
                PID:576
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1440

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            001ef44c0a6d73f4cffde9ce3dc44877

            SHA1

            b74eb60f2ed6c12b7aa4825ce09893cddbb0da2a

            SHA256

            76602fd6f13166f33f00eddeb9323f2d45221f895af3d95c140be63ebddd7e01

            SHA512

            6149083b37dde0825c19df1072a3a9d28d5b777e4753de9caa721defb271a2a6ee02acb6230908258ee5b0eaf3c74076807bb03332d1043126d455f36b17c691

          • \Users\Admin\AppData\Local\Temp\f76756e.exe

            Filesize

            97KB

            MD5

            0fe90089d8d1f0b208e4761ba9ccf5bd

            SHA1

            353ebb888caa375f7a821cd5178580b7a59f704f

            SHA256

            9561f8ffe30cd96a65bca868906593c360a1d2fbf704659df163e9461161d64c

            SHA512

            93d4bdf9edb4a546bd124b087b72826333bbb90a1a844bae541927ee60db8e5edd9a657b31257a74443a9c53310e4ac241fc0aa6f2ebfd1187aaf0933d8aa39c

          • memory/576-165-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/576-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/576-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/576-141-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1088-29-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2680-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-78-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2680-54-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2680-60-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2680-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2680-47-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2680-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2680-79-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2680-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2680-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-154-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-161-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-118-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2744-93-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2744-92-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2744-91-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2776-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-103-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-77-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2776-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-48-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

            Filesize

            4KB

          • memory/2776-102-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-104-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-108-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-113-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-112-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-51-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/2776-140-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-139-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB