Analysis

  • max time kernel
    118s
  • 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 01:00

General

  • Target

    c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8N.dll

  • Size

    120KB

  • MD5

    43b01d9be988f5e3dffd674cfca62330

  • SHA1

    9305db15002838a26db5b875995cbd038d92de82

  • SHA256

    c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8

  • SHA512

    fb4d8b40f9df0ce0b11dcd67790fda4196b7dec88cb31359ee52ab382e6511dc5d34ff787f61d02d565e615d48d989cc40c28af90727cd1f4699b5798167f2be

  • SSDEEP

    3072:3W+mhKXydgVt8dqs4N5ocRCwMBIIPYZpF4qn7VAHsG86:3WthFdD4kmFMBpgfFR7VAMG

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 16 IoCs

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

  • UPX packed file 24 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2656
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2676
              • C:\Users\Admin\AppData\Local\Temp\f771b00.exe
                C:\Users\Admin\AppData\Local\Temp\f771b00.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:2652
              • C:\Users\Admin\AppData\Local\Temp\f771cd4.exe
                C:\Users\Admin\AppData\Local\Temp\f771cd4.exe
                4⤵
                • Executes dropped EXE
                PID:2036
              • C:\Users\Admin\AppData\Local\Temp\f77388e.exe
                C:\Users\Admin\AppData\Local\Temp\f77388e.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:2028
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2040

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f771b00.exe

            Filesize

            97KB

            MD5

            2db5368f3b05448a6dd2114f7509a763

            SHA1

            7e5931c54a6c0a8a0f7ed915423437fb13fecf15

            SHA256

            b1fde781cd0d0f9f3ba50e07cd0e5faf8209395402dc5a4ee3f92241e16e8337

            SHA512

            0234464cd2329699961aa1b18884a0e47829b4201026c8973bce047125d02222c8a9d264451b79fa1ef10159b09515486e51bf3a1d763907932d458f00e200b6

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3a0929f6903ee1df03c9b52d07e3f111

            SHA1

            9f321df1cea22c58d7cc0fc4d1ada04f378b86e2

            SHA256

            9069483604ea69aadbf408f2090eb4f5e8736b471cfdfba86269f7deebde8506

            SHA512

            020ed5188c2ef718c9bc52bd0e584be6121127e90d09299e652d35ca6e94521baab764dd492e6b2183c4f0dcacad7cd567feac30d4fd10c16eb17ac0c5d77ec1

          • memory/1112-32-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2028-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2028-218-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-217-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2028-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2028-175-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2028-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2028-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2028-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2036-139-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2036-100-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2036-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2036-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2036-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2036-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-53-0x0000000000340000-0x0000000000342000-memory.dmp

            Filesize

            8KB

          • memory/2652-74-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-51-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2652-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-161-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-61-0x0000000000340000-0x0000000000342000-memory.dmp

            Filesize

            8KB

          • memory/2652-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-26-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-69-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-71-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-72-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-73-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-87-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-88-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-91-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-25-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-63-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2676-62-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2676-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2676-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-40-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2676-41-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2676-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-50-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2676-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB