Analysis

  • max time kernel
    26s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 20:57

General

  • Target

    72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8cN.dll

  • Size

    120KB

  • MD5

    f8b88f63cbb181ef5b4ac31e39d81b50

  • SHA1

    b733c91de698e66a89333187475c1dfe7512e3e8

  • SHA256

    72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8c

  • SHA512

    27f636faca69c3390085ecec5d705dd8beebab6ccdcc9c8dd04d8a1d13d177c8df2a051a8223775884880cae809a5870cb8db8324947d65a98ff59461903b5a9

  • SSDEEP

    3072:4rb7pHapnLftKZxYp+wv2X+VXCsfemYY2:2F6pn7gZ+pKknf3F

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 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 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8cN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1728
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\72d733cc6ea893500517dad1a2904e9d920c3c1221ede989709e8b1d4ce36c8cN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1720
              • C:\Users\Admin\AppData\Local\Temp\f76e0dd.exe
                C:\Users\Admin\AppData\Local\Temp\f76e0dd.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:2324
              • C:\Users\Admin\AppData\Local\Temp\f76e495.exe
                C:\Users\Admin\AppData\Local\Temp\f76e495.exe
                4⤵
                • Executes dropped EXE
                PID:2752
              • C:\Users\Admin\AppData\Local\Temp\f76fc88.exe
                C:\Users\Admin\AppData\Local\Temp\f76fc88.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:2644
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1312

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            58053247780c4451ae6b6937ba9698fd

            SHA1

            15c1c90a4ca41e13590aedea8ce4a5671b2b8de3

            SHA256

            9cc09177bb739f5516afe7afa51a0da863aec07246821b8512db3c97e44aea11

            SHA512

            955a42e2988e87f8b31ecc3ad8d75adb5fa80b6a26ebb46235cfe05a88b395819161046bff16a15eab02f639e87840f7d0c78fc7bde64c96f0fca6a1b0ac2446

          • \Users\Admin\AppData\Local\Temp\f76e0dd.exe

            Filesize

            97KB

            MD5

            13ef65b7edd20660fb9366144f8d93a0

            SHA1

            6682d5b2045ef75f643ba131d2f8da3a8fd3c202

            SHA256

            0aae9d689eeda216e18fcf8d1beb9abe7e6a3d39895d14c584366701538c261d

            SHA512

            15c8d9cae9e5232963d0df776418686581ea771e9f99912c2d9b50a5a4b18734bc642a4b688465bb310175fe5814c5ed153b53e3c52b2a550431167b3eafea89

          • memory/1116-27-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/1720-74-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/1720-71-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/1720-72-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1720-48-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1720-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1720-9-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/1720-34-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1720-35-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1720-36-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1720-43-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2324-58-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-11-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2324-49-0x0000000002D40000-0x0000000002D42000-memory.dmp

            Filesize

            8KB

          • memory/2324-44-0x0000000002D40000-0x0000000002D42000-memory.dmp

            Filesize

            8KB

          • memory/2324-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-42-0x0000000002D50000-0x0000000002D51000-memory.dmp

            Filesize

            4KB

          • memory/2324-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-56-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-57-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-59-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-60-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-62-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2324-77-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-13-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-79-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-80-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-81-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-149-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-103-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2324-102-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-100-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2644-101-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2644-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-204-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-150-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2644-166-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-93-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-92-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2752-125-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2752-91-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB