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Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 13:59

General

  • Target

    3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782N.dll

  • Size

    120KB

  • MD5

    e750c790a429d5b6d633463a7f9f01b0

  • SHA1

    61f8e5af8319efa643b400fc15bf3ca30adfc29e

  • SHA256

    3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782

  • SHA512

    6c9437b9e186dcc2291a5283277825ff6539b430b66a95f700a698d7dd3fccd84b361e502ed32d5efbf9107a22c01f94d6ee1e16bdce3cce5fdb50b66d334d50

  • SSDEEP

    1536:Z/3RtNTihJ1yGXoC6yXTs2BrlLqgJxNTRuCCMsbhYn1frQY2R3KlxVPf4tIeGCxx:Z5tRIVjs2BrlLhLohIfswxSO89h

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 15 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:1292
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1360
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1388
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2508
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d81543ef2b0a6e5bfe2e665b77d6eb0dcb68b73c860860e7c96e8b1c6bab782N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2956
              • C:\Users\Admin\AppData\Local\Temp\f77a61f.exe
                C:\Users\Admin\AppData\Local\Temp\f77a61f.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:1992
              • C:\Users\Admin\AppData\Local\Temp\f77a7f3.exe
                C:\Users\Admin\AppData\Local\Temp\f77a7f3.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
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2620
              • C:\Users\Admin\AppData\Local\Temp\f77c4f4.exe
                C:\Users\Admin\AppData\Local\Temp\f77c4f4.exe
                4⤵
                • Executes dropped EXE
                PID:892
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1028

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            ad55328a3f8b08e281cd23dc201e0415

            SHA1

            48b067f39ee67e82db4ac5508ae9fac9756199e2

            SHA256

            25be0b6bc7a623be9ca823bb1067829afe6a6a5b04646f471f9097e63f6f3e43

            SHA512

            d917b303faf39f0535e1b7f07a277f78188f238e2609de8d350d84a0bd76a8a3ed66fcd9e2669177f697350287a193c1af5c4dbdf056504a05093ee602c5dab1

          • \Users\Admin\AppData\Local\Temp\f77a61f.exe

            Filesize

            97KB

            MD5

            ff18b62da358e811a5764c7bad021192

            SHA1

            1a85e345dce9a230dd2b048b6174225004aea398

            SHA256

            6c7c596e093f53ed7a75d0e030306d72c823c75e6a23a6083e38090cc9c0a8c4

            SHA512

            a5f24ce23f9ae80ff2f0ad6b6af1ec6bd16f1ed2249f14fe282abbc28a6d05160fca2de788456dd8da0a1719b6a3c51157db235f088e0df4a99ac5a50b2ccd01

          • memory/892-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/892-136-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/892-114-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/892-111-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/892-88-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1292-31-0x0000000001FE0000-0x0000000001FE2000-memory.dmp

            Filesize

            8KB

          • memory/1992-91-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-92-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-52-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/1992-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1992-158-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1992-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-60-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/1992-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-50-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/1992-73-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-89-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-87-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/1992-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-71-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1992-72-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2620-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2620-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2620-193-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2620-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2620-180-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2620-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2620-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2620-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2956-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-40-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/2956-49-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/2956-78-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2956-62-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2956-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2956-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2956-61-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2956-59-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2956-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2956-39-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2956-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-83-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2956-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB