Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 02:57

General

  • Target

    6cc8e384759f88a56c7e678c903d29835818aa24a373e20b7200d46fb85edc58.dll

  • Size

    120KB

  • MD5

    c17f990d1d19cd16f2dbe46315f53571

  • SHA1

    5bc328d99a6432e2085cb6f01aff4bbb9fc464c5

  • SHA256

    6cc8e384759f88a56c7e678c903d29835818aa24a373e20b7200d46fb85edc58

  • SHA512

    7250d4eb1467dbfb170dfd5de662268ecca1cd6b35726d6ce0d664b25071056526b314fa010e1619ebf8b07fb8653e068735143bc20be09e9ab08ba16c987dd1

  • SSDEEP

    3072:4rb7pHapnLftKZxYp+wv2X+VXCsfemYY2S:2F6pn7gZ+pKknf3FF

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cc8e384759f88a56c7e678c903d29835818aa24a373e20b7200d46fb85edc58.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1244
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cc8e384759f88a56c7e678c903d29835818aa24a373e20b7200d46fb85edc58.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2372
              • C:\Users\Admin\AppData\Local\Temp\f76b645.exe
                C:\Users\Admin\AppData\Local\Temp\f76b645.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:2384
              • C:\Users\Admin\AppData\Local\Temp\f76b7f9.exe
                C:\Users\Admin\AppData\Local\Temp\f76b7f9.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
                • System policy modification
                PID:2820
              • C:\Users\Admin\AppData\Local\Temp\f76d1ef.exe
                C:\Users\Admin\AppData\Local\Temp\f76d1ef.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:2212
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:284

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b618577ea219175417d03f2e55391042

            SHA1

            3afa5a82bc1fb235a139fca78d9f7acc2c9bfd21

            SHA256

            f48ce72c1247dd9223cfcd2491bce1741fbf19dec8303e03b4e9f1905fde7d8e

            SHA512

            626847defc32bcf8b361cb163d0f8c784f1db42ee407fc64154f9c46a016a9a5baa547cc3cea9719f2391be4b502cf6e616654d29248a1e296d7c17344269fc0

          • \Users\Admin\AppData\Local\Temp\f76b645.exe

            Filesize

            97KB

            MD5

            13ef65b7edd20660fb9366144f8d93a0

            SHA1

            6682d5b2045ef75f643ba131d2f8da3a8fd3c202

            SHA256

            0aae9d689eeda216e18fcf8d1beb9abe7e6a3d39895d14c584366701538c261d

            SHA512

            15c8d9cae9e5232963d0df776418686581ea771e9f99912c2d9b50a5a4b18734bc642a4b688465bb310175fe5814c5ed153b53e3c52b2a550431167b3eafea89

          • memory/1112-31-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2212-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2212-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2212-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2212-232-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2212-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2372-7-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2372-57-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2372-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-71-0x0000000000940000-0x0000000000952000-memory.dmp

            Filesize

            72KB

          • memory/2372-80-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2372-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-13-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2372-56-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2372-54-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2372-39-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2372-38-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2372-37-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2372-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2384-59-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-86-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-23-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-24-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-60-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2384-47-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2384-45-0x0000000000850000-0x0000000000851000-memory.dmp

            Filesize

            4KB

          • memory/2384-70-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2384-83-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-84-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-25-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-87-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2384-154-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-106-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-108-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2384-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2820-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2820-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2820-184-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-183-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2820-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2820-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2820-233-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB