Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:36

General

  • Target

    e18a75c4080cb702393261217f6f38d1058daaed6596821f9e6e2b4d7b65780dN.dll

  • Size

    120KB

  • MD5

    9ee401d5fc1e1f74e7b04aad5aabdec0

  • SHA1

    78e402b38c21ee2e16982010b23518fe245b3307

  • SHA256

    e18a75c4080cb702393261217f6f38d1058daaed6596821f9e6e2b4d7b65780d

  • SHA512

    94672afa72b8f8d5fbbc223b992751986c7d0535d99809a444e1477654a87e483c8a9dd44053d85adb76f3ef4be3498587858fb5ed8f812e2bc749d092972749

  • SSDEEP

    3072:Fe3CvoCd5vYlUPYxYM6egk4ddGmIoZn0gQ6V51J:FwCQCd1IUPYGM6/kOxZV5b

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • 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:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1260
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18a75c4080cb702393261217f6f38d1058daaed6596821f9e6e2b4d7b65780dN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2268
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e18a75c4080cb702393261217f6f38d1058daaed6596821f9e6e2b4d7b65780dN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2660
              • C:\Users\Admin\AppData\Local\Temp\f76fb02.exe
                C:\Users\Admin\AppData\Local\Temp\f76fb02.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f76fcc6.exe
                C:\Users\Admin\AppData\Local\Temp\f76fcc6.exe
                4⤵
                • Executes dropped EXE
                PID:1516
              • C:\Users\Admin\AppData\Local\Temp\f7716ac.exe
                C:\Users\Admin\AppData\Local\Temp\f7716ac.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:2644
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1544

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            03f4408914a07000a2e097f7e92e26d2

            SHA1

            2c6c0ba74e947d5765eefee8dc3812f4b1d6687d

            SHA256

            32a898b8c7b01dc6635d9c57c111c2c326cd58aceed997ef074c55bd1dedd9e4

            SHA512

            08333fa7200d2d7b689d3515bf141809a2e391bf39601a885a1ba4a020c51472926868b3aee9238b3cfcccbd8cc022ede1001027bfe8ddcc45a9ab16aa5b23ac

          • \Users\Admin\AppData\Local\Temp\f76fb02.exe

            Filesize

            97KB

            MD5

            7ea0039300aac19d3d59ebe3c7956f9b

            SHA1

            722d1000aab7cc9d7664b34678e0f12ddc4ab426

            SHA256

            2e7bd835bb8cadbfba24ddebb0d6ae9968e5b02deab13d2a0335e92c99d6b373

            SHA512

            611c89291b32495300ee64b90e3b01c2ad0ab6a33b75ae18e42439c160911db82f3477c4ac6b9051a13c05130239c5ed605d1b26e6cee9f8c19cb712138df147

          • memory/1128-28-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1516-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1516-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1516-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1516-98-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1516-97-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1516-126-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2644-168-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-170-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2644-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-214-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2644-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2660-35-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2660-36-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2660-9-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2660-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2660-44-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2660-11-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2660-57-0x00000000006A0000-0x00000000006B2000-memory.dmp

            Filesize

            72KB

          • memory/2660-56-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2660-77-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2660-78-0x00000000006C0000-0x00000000006D2000-memory.dmp

            Filesize

            72KB

          • memory/2696-45-0x00000000004B0000-0x00000000004B1000-memory.dmp

            Filesize

            4KB

          • memory/2696-47-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2696-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-67-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-61-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-60-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-49-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2696-76-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2696-84-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-86-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-88-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-62-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-109-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-110-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-157-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-14-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-12-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB