Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 04:35

General

  • Target

    fb6e0d5db2624fa6b29ac2dfe00bb3b2f381c93bda734a7e38dda444ae2f3d30.dll

  • Size

    120KB

  • MD5

    a8577dc41daa73c88527ebb1a096542b

  • SHA1

    bd6bf58afb2ce7ac8ede4d0ff7538df5c3fe2513

  • SHA256

    fb6e0d5db2624fa6b29ac2dfe00bb3b2f381c93bda734a7e38dda444ae2f3d30

  • SHA512

    6562701682789a7310310acecf30f37a5b9061aad04d0adb2b8bd7ab394ecee53855509e8e0cd7778ba89bb871e5b3edca5bf7ec068d8e98d1ede6e467664a73

  • SSDEEP

    3072:lSB500WXOG2FGhasWjP0s53/y0J6qcCszey5WFma:c40WXKgasWjPR5y04qcC9ycv

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 24 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:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1108
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb6e0d5db2624fa6b29ac2dfe00bb3b2f381c93bda734a7e38dda444ae2f3d30.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2672
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb6e0d5db2624fa6b29ac2dfe00bb3b2f381c93bda734a7e38dda444ae2f3d30.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2784
              • C:\Users\Admin\AppData\Local\Temp\f76e6e6.exe
                C:\Users\Admin\AppData\Local\Temp\f76e6e6.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:2764
              • C:\Users\Admin\AppData\Local\Temp\f76e87b.exe
                C:\Users\Admin\AppData\Local\Temp\f76e87b.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
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2092
              • C:\Users\Admin\AppData\Local\Temp\f77052f.exe
                C:\Users\Admin\AppData\Local\Temp\f77052f.exe
                4⤵
                • Executes dropped EXE
                PID:2928
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1940

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            d1e5108ce67ddbcd702c296a011a8426

            SHA1

            67ab3e8753c250aefabfb31c6c8b0b5ce4b0eebf

            SHA256

            0983644f518f24f1a663506e86ee5ea4f604c32af533bd32e0f6290fe9d023d2

            SHA512

            f82e0edbac005e959218a244aeebbbb494704bbd78cb164867aa869304d5c83287d44cd2ae15ea398b1b3ded115e69ab42644e5becf1ed85bcda15f01b9c2262

          • \Users\Admin\AppData\Local\Temp\f76e6e6.exe

            Filesize

            97KB

            MD5

            b2da444a7e09539250f78ba3ec70ce98

            SHA1

            a4a6e1ee36a146f43f146498aea30e38243c0b34

            SHA256

            7184e614aefd69846048f1c6ad1e0cde8035fc93d23453a8374b271d6b571362

            SHA512

            8ddeaeb599721bc5a43714418b9d2fbf6842e814de1c6991f73cd6bf2b9d2efc4e7a7710223d312be15508f5bc1928598418e0dc7b8d29a4f42c3abe45ed6864

          • memory/1060-31-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/2092-186-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-187-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2092-162-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-128-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2092-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2092-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2092-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2764-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-48-0x0000000002F40000-0x0000000002F42000-memory.dmp

            Filesize

            8KB

          • memory/2764-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-150-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-56-0x0000000002F40000-0x0000000002F42000-memory.dmp

            Filesize

            8KB

          • memory/2764-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-46-0x0000000002F50000-0x0000000002F51000-memory.dmp

            Filesize

            4KB

          • memory/2764-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2784-57-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/2784-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2784-11-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2784-13-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2784-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2784-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2784-39-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/2784-40-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/2784-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2784-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2784-38-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2784-55-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2784-81-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2928-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2928-191-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2928-101-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2928-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2928-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB