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Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 10:42

General

  • Target

    71328bd0620f94dd184317201b571ba33853b4437c8cb3846e9ecdfea9749ade.dll

  • Size

    120KB

  • MD5

    36afa34e80f07d6929ec51a3af24f56d

  • SHA1

    bfc64e5c7744b939fbbc0c5e1ef0c099ed75b436

  • SHA256

    71328bd0620f94dd184317201b571ba33853b4437c8cb3846e9ecdfea9749ade

  • SHA512

    2ef9aee6b8f288906b18fcfa40c84cd178e5a818d39209e872b78b240c7f6c477a4de33d0fe1f4bf1febc1e038cf84f25f73cfd7830ae002c00620c95e3f65da

  • SSDEEP

    3072:dk5mMahoIbZ+ZyKwu1FV55X08Pstd0Cr:dkAcA5KFaOMd0Cr

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.

  • 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 18 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 45 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:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\71328bd0620f94dd184317201b571ba33853b4437c8cb3846e9ecdfea9749ade.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1960
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\71328bd0620f94dd184317201b571ba33853b4437c8cb3846e9ecdfea9749ade.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2644
              • C:\Users\Admin\AppData\Local\Temp\f7757ff.exe
                C:\Users\Admin\AppData\Local\Temp\f7757ff.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:2128
              • C:\Users\Admin\AppData\Local\Temp\f7759a5.exe
                C:\Users\Admin\AppData\Local\Temp\f7759a5.exe
                4⤵
                • Executes dropped EXE
                PID:2084
              • C:\Users\Admin\AppData\Local\Temp\f77783c.exe
                C:\Users\Admin\AppData\Local\Temp\f77783c.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:1908
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:872

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7757ff.exe

            Filesize

            97KB

            MD5

            2c88455da6c04c57aba6717924f2b2d2

            SHA1

            b9272f580d0f44f44c92cc36b374ac9e8267f096

            SHA256

            9e68995e9a06b0257bc84a4de275146411c27c0488277e5fe400f36a2b9a7056

            SHA512

            07197f4644fee252ce34f8891dc666ced5ac555a0dc7f06e34daf471cf8142ea96b0c36b62cb7df94164f15c1a34995d38b0b1b75911d5365cd9bcb5e38428b7

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            9a226908a06a639dfa105e7ae8f8d7cd

            SHA1

            552aaa5fa26aa8ffcafc39d77595aa2f6b29ce66

            SHA256

            42ea3e27062c8727ac46c07cca33b63ee48533d69aab4230e0650926fe5cb33c

            SHA512

            42ab5a113b7e45f768b5368111e7dbb1b957ead6045610e2a1b75c678b9a16c4f681020a81e45ddfa1a5a3d38e809ab5acae8038556ce2d715ced864ddcc5053

          • memory/1116-28-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1908-111-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1908-219-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1908-218-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/1908-173-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/1908-91-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1908-114-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2084-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2084-106-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2084-115-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2084-66-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2084-191-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-26-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-24-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-160-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-57-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2128-25-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-52-0x0000000003010000-0x0000000003011000-memory.dmp

            Filesize

            4KB

          • memory/2128-15-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-23-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-54-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2128-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-69-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-70-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-71-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-73-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-74-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-75-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-76-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-95-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-94-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-79-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2128-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-12-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2644-64-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2644-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2644-42-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2644-41-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2644-51-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2644-81-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2644-63-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2644-80-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2644-13-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2644-62-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2644-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2644-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2644-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2644-220-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB