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Analysis

  • max time kernel
    29s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2024, 15:32

General

  • Target

    4e1919969760e7f9b30e30dc751f3e3f17cad17345a34f8dc5ae88f576ba8f3cN.dll

  • Size

    120KB

  • MD5

    849642da0ca58f0b338ff101c7e813d0

  • SHA1

    6f841f89ed15c5e73ef79bcc07056f1d5f3a8640

  • SHA256

    4e1919969760e7f9b30e30dc751f3e3f17cad17345a34f8dc5ae88f576ba8f3c

  • SHA512

    9a3d037fd6d0cf8e9ee4e4e6ffbaefaa4843b9446040eb22e61862d7573654c70f064097e742b6a79c7f514581e3b3edd6cc51e8259ea98b02b28515d1cc643c

  • SSDEEP

    1536:wAIUPIU68VHeJSlIoj01+jc1E6X5BLE3gLMD6KZmM45EKxM8T854wIoBMM52:QU68ISlIoo13XTE31OOmMWNM2IIouB

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 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 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e1919969760e7f9b30e30dc751f3e3f17cad17345a34f8dc5ae88f576ba8f3cN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1480
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e1919969760e7f9b30e30dc751f3e3f17cad17345a34f8dc5ae88f576ba8f3cN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2984
              • C:\Users\Admin\AppData\Local\Temp\f76c552.exe
                C:\Users\Admin\AppData\Local\Temp\f76c552.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:2160
              • C:\Users\Admin\AppData\Local\Temp\f76cfbd.exe
                C:\Users\Admin\AppData\Local\Temp\f76cfbd.exe
                4⤵
                • Executes dropped EXE
                PID:2640
              • C:\Users\Admin\AppData\Local\Temp\f76e8f8.exe
                C:\Users\Admin\AppData\Local\Temp\f76e8f8.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:2104
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:800

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5717918ce21a5c96336b41c82f1730fc

            SHA1

            2224c8bcb024e32d0e9592f14a472be6a7924f79

            SHA256

            5effe0fa3483b1e2ad2754cf31c26c9b033db95de1b2642013f2500f425aee23

            SHA512

            5ec8b596041888bd885a6d9a2667a5b4c49c0adee837d2b10e48a2df6cc423c3f2a1b491fee771d5a81d03546f7beec64cd62874937c5313e6e9cd3d7aeac3ac

          • \Users\Admin\AppData\Local\Temp\f76c552.exe

            Filesize

            97KB

            MD5

            25b10e1f08436c9277cac2776dfb753d

            SHA1

            1a8cc487dfdf41421248067fccad94fbe184737b

            SHA256

            fe180c305f1d63e60222ee35e9e32309af4934a7584909b1fd700618b4de96a0

            SHA512

            00052478ff86018c9f384deca61452b166ad5634fb3388354b1d317cf11cb30fccca366a9ba3822300e5e08983d3f951cdc2de82221fe878f9b90bc1728ceedc

          • memory/1100-28-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2104-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2104-204-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2104-110-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2104-150-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2104-179-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-49-0x0000000003E20000-0x0000000003E21000-memory.dmp

            Filesize

            4KB

          • memory/2160-54-0x0000000002E00000-0x0000000002E02000-memory.dmp

            Filesize

            8KB

          • memory/2160-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-50-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-43-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-52-0x0000000002E00000-0x0000000002E02000-memory.dmp

            Filesize

            8KB

          • memory/2160-148-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-89-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-73-0x0000000002E00000-0x0000000002E02000-memory.dmp

            Filesize

            8KB

          • memory/2160-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2640-101-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2640-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2640-149-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2640-102-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2640-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2984-63-0x00000000005F0000-0x0000000000602000-memory.dmp

            Filesize

            72KB

          • memory/2984-62-0x00000000005F0000-0x0000000000602000-memory.dmp

            Filesize

            72KB

          • memory/2984-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2984-51-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2984-39-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2984-69-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2984-40-0x00000000005E0000-0x00000000005E1000-memory.dmp

            Filesize

            4KB

          • memory/2984-42-0x00000000005E0000-0x00000000005E1000-memory.dmp

            Filesize

            4KB

          • memory/2984-38-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2984-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB