Analysis

  • max time kernel
    27s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 02:47

General

  • Target

    21ef1f6249885a3052105ac7fe67844de730d7abc72530417ca6c337ebfa5fa9.dll

  • Size

    120KB

  • MD5

    e3dc1f367b999ee1b29b5806783fe499

  • SHA1

    e888ca2d35d99d369fa5eaf0af5e596d6556faee

  • SHA256

    21ef1f6249885a3052105ac7fe67844de730d7abc72530417ca6c337ebfa5fa9

  • SHA512

    43a24f72539c3645d194b878358cbcdf7b05962588c479d8f40d1b528798b4fa610a02bc4e145e1da6a3fe5385b4565235c84a9652f19a3118760d57640e34f0

  • SSDEEP

    3072:p5o2QtOOIzax9hROM7yXMQL/nklRfznLXL2TB:p2tOO9x9qMuXlrghjQB

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 25 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 41 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1028
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1044
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1100
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\21ef1f6249885a3052105ac7fe67844de730d7abc72530417ca6c337ebfa5fa9.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1596
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\21ef1f6249885a3052105ac7fe67844de730d7abc72530417ca6c337ebfa5fa9.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2712
              • C:\Users\Admin\AppData\Local\Temp\f764caa.exe
                C:\Users\Admin\AppData\Local\Temp\f764caa.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:2616
              • C:\Users\Admin\AppData\Local\Temp\f764e4f.exe
                C:\Users\Admin\AppData\Local\Temp\f764e4f.exe
                4⤵
                • Executes dropped EXE
                PID:2564
              • C:\Users\Admin\AppData\Local\Temp\f766854.exe
                C:\Users\Admin\AppData\Local\Temp\f766854.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:1396
        • 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:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1b31d5cc732659ae40493f2f9974e275

            SHA1

            1490b1e961b8d2ac700ea26f171fb7c69bf4ad41

            SHA256

            c6adc355bbec3b2e14ec857c8b262ad5f87369eae4fa913b7033140bb6bbe4c9

            SHA512

            f9ee854a12101bdabafaf2a90cecb4fdb35bcf9122129ae78d6bf820bb5e47b60bea0d35dca31fd90964bc9f6fb26eeb14cc30fda95f2f9b45315bb9f7c59105

          • \Users\Admin\AppData\Local\Temp\f764caa.exe

            Filesize

            97KB

            MD5

            f1cde4597f5dd7e36c1953826607bdd9

            SHA1

            6c17c3b2ee5e1e5cd0c4ad4b28722f25042931e2

            SHA256

            b8aa75f19003f0420527696c923e38ebcc62e627323d920504aa2f6f2db76d47

            SHA512

            64c95d17af7ab168f38ff8c12a5848a13772a737ad8650fcb0de8b65b567d754e027275c8b585716dfd11faf66d6d77fc5c9f77a14632a35f566d353a1c3f772

          • memory/1028-29-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/1396-210-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1396-163-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1396-164-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1396-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1396-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1396-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2564-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2564-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2564-127-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2564-98-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2564-97-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2564-105-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2616-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-110-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-13-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-47-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2616-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-153-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2616-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-70-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2616-84-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-86-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-89-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2616-109-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-37-0x00000000007C0000-0x00000000007C1000-memory.dmp

            Filesize

            4KB

          • memory/2712-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2712-80-0x00000000007B0000-0x00000000007B2000-memory.dmp

            Filesize

            8KB

          • memory/2712-82-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2712-53-0x0000000000810000-0x0000000000822000-memory.dmp

            Filesize

            72KB

          • memory/2712-58-0x00000000007B0000-0x00000000007B2000-memory.dmp

            Filesize

            8KB

          • memory/2712-59-0x0000000000810000-0x0000000000822000-memory.dmp

            Filesize

            72KB

          • memory/2712-60-0x00000000007B0000-0x00000000007B2000-memory.dmp

            Filesize

            8KB

          • memory/2712-8-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2712-9-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2712-46-0x00000000007C0000-0x00000000007C1000-memory.dmp

            Filesize

            4KB

          • memory/2712-36-0x00000000007B0000-0x00000000007B2000-memory.dmp

            Filesize

            8KB