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 20:49

General

  • Target

    2bcf823d7aaa757b5bf0a00bb815f0921db21aa8245b7a8c252a834fae80e929.dll

  • Size

    120KB

  • MD5

    67b73e214f278a2c9bb410182dc90445

  • SHA1

    5e40715459970e32871167e6653fc8f5dcf7fa75

  • SHA256

    2bcf823d7aaa757b5bf0a00bb815f0921db21aa8245b7a8c252a834fae80e929

  • SHA512

    f05b89e951f744ea3623e4dd6b1f62b42f4b638fa1f077ea2695aa6fb84fd8bc1f875c0b0124bb6a10337502e1ac907c371c80d9f828de8013c0e54dc3be3d47

  • SSDEEP

    1536:Oo1T9ou2Dfyv0z45xilWqgqALTmF+m1ZZsZ4/fk1s32cr:j9duHqw2LybrysG

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 17 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 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: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\2bcf823d7aaa757b5bf0a00bb815f0921db21aa8245b7a8c252a834fae80e929.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1972
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bcf823d7aaa757b5bf0a00bb815f0921db21aa8245b7a8c252a834fae80e929.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1700
              • C:\Users\Admin\AppData\Local\Temp\f769ab9.exe
                C:\Users\Admin\AppData\Local\Temp\f769ab9.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\f769c4f.exe
                C:\Users\Admin\AppData\Local\Temp\f769c4f.exe
                4⤵
                • Executes dropped EXE
                PID:2892
              • C:\Users\Admin\AppData\Local\Temp\f76b664.exe
                C:\Users\Admin\AppData\Local\Temp\f76b664.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:2032
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:896

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c964bfa32d91587f6b675ae20deafde9

            SHA1

            e335bcad1fabf7ff073b51a247146a6865252dfa

            SHA256

            3e4c1a7b8c86c148e1a43a4320d364390d1ec3c7386c3b0f45ddd8e012928e2a

            SHA512

            445f2a2b812172d22f70fb2e609cd92fd178b6a9728f7d544970ebcecd0b11216552fdbdb189d4dedd96a632ca05c834e4e2d29a818d455a423af3ebf004195e

          • \Users\Admin\AppData\Local\Temp\f769ab9.exe

            Filesize

            97KB

            MD5

            7eae9a38d328aadc21719fcc8c917a68

            SHA1

            25e570dfbf42a3575f19f2604c7f2207082714f5

            SHA256

            e98c61325414abaa72ae39893582b51b57d2ea837ea100f2a7a4290b5ec8c70b

            SHA512

            ddb924ac52ff635d273372b94a5e0a8cebdb16e358d593f9ae3c439c2529c22762a024920140b3a64ba9481264c25907767c36fe83c93641a977b87ce55ac2c8

          • memory/1116-31-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/1700-6-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/1700-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1700-82-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/1700-208-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/1700-13-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/1700-81-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/1700-47-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1700-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1700-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1700-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1700-37-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1700-60-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/1700-59-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/1700-38-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1700-57-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2032-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2032-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2032-206-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2032-207-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2032-175-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2032-107-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2032-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2696-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-48-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2696-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-87-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-90-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-58-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2696-152-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-50-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2892-179-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2892-132-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2892-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB