Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 08:49

General

  • Target

    bcf598ddc301d322d584f77e8af0d743bcd5bf7dd88186f5848f5772e82d859aN.dll

  • Size

    120KB

  • MD5

    2487825a63e3c5794ccbd944e7696bc0

  • SHA1

    1e289585de2a403e8bbe28ed189baee51d547142

  • SHA256

    bcf598ddc301d322d584f77e8af0d743bcd5bf7dd88186f5848f5772e82d859a

  • SHA512

    e076dce5fdc7dec44ad18c054dbfd1640312d021b90387a1cd38dab3e1a009862baf4fd782fee311e84c4ba3d1ace3c963693f9fd83a0c12d2daa33ae841e9c4

  • SSDEEP

    3072:JVhpdGEE6P6MF4ABPn3M62B5gUeP5j50+l:JVhTFEJAB/cfyUeF+S

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 11 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 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 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\bcf598ddc301d322d584f77e8af0d743bcd5bf7dd88186f5848f5772e82d859aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1304
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\bcf598ddc301d322d584f77e8af0d743bcd5bf7dd88186f5848f5772e82d859aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2100
              • C:\Users\Admin\AppData\Local\Temp\f768517.exe
                C:\Users\Admin\AppData\Local\Temp\f768517.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:2932
              • C:\Users\Admin\AppData\Local\Temp\f76867e.exe
                C:\Users\Admin\AppData\Local\Temp\f76867e.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • System policy modification
                PID:2872
              • C:\Users\Admin\AppData\Local\Temp\f76ab6c.exe
                C:\Users\Admin\AppData\Local\Temp\f76ab6c.exe
                4⤵
                • Executes dropped EXE
                PID:2472
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1668

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f768517.exe

            Filesize

            97KB

            MD5

            15fe04a66f4feeef21515a58d8269826

            SHA1

            33d0fad8eb03ac4e92185d8d7d6ea9b482d68450

            SHA256

            9ce25622c862c7a87e8b71bbf2d7c976270d459ce37721adba3c446b72d2bd72

            SHA512

            04198f14296f5278ea0082bc8f7efdaa30edce6e9267e42e70965136127c5d4b3d2e6a741966c01a3e154c30b114abe54c3e502341505087b11a1b8ec738b8af

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f71473b1e4fb844c9d64631c71453c46

            SHA1

            abefdadc6bc70c41aa5cd240dac84fff6c602d79

            SHA256

            28c9e9e9e779a8a14bce91420a5d3335a25cd1a62f77d81bda558939473cd864

            SHA512

            b50e1da63c7546035db39269781d03099de4287a9eff10d2a39b97e9f5700a44a94c6cce708ca362126dc41cca6180f23693fd89273ab8c56e7f9776985a179a

          • memory/1116-23-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/2100-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2100-51-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2100-9-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2100-52-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2100-49-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2100-67-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2100-41-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2100-79-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2100-84-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2100-78-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2100-32-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2100-31-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2472-175-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2472-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2472-102-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2472-179-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-96-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2872-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2872-53-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-180-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-174-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-173-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-118-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2872-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2932-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-40-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/2932-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-80-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2932-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-13-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-105-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-107-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-108-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-110-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-60-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2932-146-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2932-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2932-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB