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
    17-12-2024 01:02

General

  • Target

    841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdeaN.dll

  • Size

    120KB

  • MD5

    581f6960d1a4f406d8dd242deb9d4990

  • SHA1

    896d8500383f96bdbb0bae0a018db56c2908b1fe

  • SHA256

    841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdea

  • SHA512

    1d213f27d133d153ebd9642a8165912648a2c1ca25c3f2924e804908c0d6892cca86173986defb7e50e5a7b48f6d713b93fe50408162165c729a1240d9d78b78

  • SSDEEP

    1536:2HNmz46IQB9nPQA6qCvFXVTLh+acQNyZYBS00hFpl5EsnSRItDioQ0jYSbRACp:Q04JQBq1VnhIQBB0d59SRaioDjYSbqC

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 13 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdeaN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\841bccfeb5c34820201b44adbdf397f8c8909ec3d214a1715e670609f7f7bdeaN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2080
              • C:\Users\Admin\AppData\Local\Temp\f770f3d.exe
                C:\Users\Admin\AppData\Local\Temp\f770f3d.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:2912
              • C:\Users\Admin\AppData\Local\Temp\f771120.exe
                C:\Users\Admin\AppData\Local\Temp\f771120.exe
                4⤵
                • Executes dropped EXE
                PID:3004
              • C:\Users\Admin\AppData\Local\Temp\f772c2f.exe
                C:\Users\Admin\AppData\Local\Temp\f772c2f.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:2396
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f770f3d.exe

            Filesize

            97KB

            MD5

            5e69ec71ef0e6197016c73c6ec9f3594

            SHA1

            5ed251d21228ac768911387915c55ebd0c8633b3

            SHA256

            976ce05521da2b4bdfd59f001f7e7b65cb0521a3522067b12f93bc9eb43bb30f

            SHA512

            5d033079d12dd302bb6987ecf7665bc67b30431e8545f9d2b6ee1edd104917560b965e8c633327b701baf3f5fe2aa2edff130de3dd81a4bfcaaa064f3fe593fd

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fed924003a0c7b75bb6f62d90070f264

            SHA1

            7f3bd7040421d6bc8bc84b4ade7fadef24a7ffee

            SHA256

            e5916e96c7445560357b4d581aab4714ebeffc16aa8f79821d2975130cd19627

            SHA512

            b0a7f1bcfde9a3c9b01c72ca5e2644d9fe00e203b8c60937a2ffecb69873d87d36219b5dc663a6c5ea36448fea89a87bc1cbc9187c5c804ccf9b3566f77f54a4

          • memory/1104-28-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2080-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-38-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2080-59-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-8-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2080-37-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-40-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2080-58-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2080-77-0x0000000000920000-0x0000000000932000-memory.dmp

            Filesize

            72KB

          • memory/2080-78-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2080-82-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2080-76-0x0000000000920000-0x0000000000932000-memory.dmp

            Filesize

            72KB

          • memory/2396-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2396-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2396-205-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-167-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-168-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2912-65-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/2912-110-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-50-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/2912-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-106-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-108-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-47-0x0000000003C20000-0x0000000003C21000-memory.dmp

            Filesize

            4KB

          • memory/2912-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-148-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2912-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-124-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3004-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3004-102-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3004-96-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB