Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 15:34

General

  • Target

    40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e.dll

  • Size

    120KB

  • MD5

    363c070ae1c6295a8bed9950bbeccdbe

  • SHA1

    e6b6d1859f06cd3a8284678d0b713173c241ee26

  • SHA256

    40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e

  • SHA512

    921b2e4559cdb4c9be12b6fdd7dfe68110fbcb469ea872929e8bf5da6621115259f06f9aa1ca38e0963f54e9e9916fefad27dbff7a4f53f470d7eb59eac5d7af

  • SSDEEP

    3072:xvvH3aqslQBQSwgZlGFRHnATB4h8ujW2P3bk8:xvf3fxBQhgjGFNnAT68uy2P3bk8

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1092
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1100
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2792
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2816
              • C:\Users\Admin\AppData\Local\Temp\f767a10.exe
                C:\Users\Admin\AppData\Local\Temp\f767a10.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:2288
              • C:\Users\Admin\AppData\Local\Temp\f767c80.exe
                C:\Users\Admin\AppData\Local\Temp\f767c80.exe
                4⤵
                • Executes dropped EXE
                PID:1844
              • C:\Users\Admin\AppData\Local\Temp\f76930c.exe
                C:\Users\Admin\AppData\Local\Temp\f76930c.exe
                4⤵
                • Executes dropped EXE
                PID:2368
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f767a10.exe

            Filesize

            97KB

            MD5

            f12eb3c0acbee83064f80120d08656b6

            SHA1

            7dc7ca55e128ac9c6950e0a8dc05bd2c94544def

            SHA256

            b69a2491eccc15822d19d368b315f2a62dcc876b9b279a92acdd2bb1b54551cf

            SHA512

            8d4d9a9252ce97e4da4b4f5b9e69daf2dc2f7af5cef9319254071a1e1e380c1abc4dc07ea2d6f63ae6646d9ec33be85345b8009f388129bae3e8c39bcd8fd496

          • memory/1048-22-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1844-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1844-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1844-126-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1844-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1844-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1844-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2288-85-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2288-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-155-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-38-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/2288-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2288-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-110-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-108-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2288-41-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-14-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-40-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-39-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-57-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2288-56-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2288-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-83-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-82-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2288-81-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2368-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-150-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2368-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2816-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-52-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/2816-30-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/2816-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-77-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/2816-31-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/2816-50-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/2816-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2816-51-0x0000000000430000-0x0000000000442000-memory.dmp

            Filesize

            72KB

          • memory/2816-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2816-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2816-42-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/2816-78-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB