Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 23:29

General

  • Target

    1846b9dbbf940d21f082548e08f885ea3f8a9dff51a6bd70b7059d2c026d7788.dll

  • Size

    120KB

  • MD5

    3b75efc01263a7261178365ce8443fad

  • SHA1

    5f27347a519056415edaac7e1447472f6d2baf50

  • SHA256

    1846b9dbbf940d21f082548e08f885ea3f8a9dff51a6bd70b7059d2c026d7788

  • SHA512

    3ec22c12b96c203cce6a89b09159b23d3a3fa2dc4cacfb7852573f2e930d6a68f1e2c1515682efa68081bc6e4e6bcf2f1edfcb7c35cb61c572a971d8428861b3

  • SSDEEP

    3072:R1knIc3dOlrowGtnjWVGmLW8vT6vyn/nyBTG:RGnZOlROjDz8rpnA6

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 12 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 22 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 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 24 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1128
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1172
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1846b9dbbf940d21f082548e08f885ea3f8a9dff51a6bd70b7059d2c026d7788.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3008
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1846b9dbbf940d21f082548e08f885ea3f8a9dff51a6bd70b7059d2c026d7788.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3068
              • C:\Users\Admin\AppData\Local\Temp\f76b49f.exe
                C:\Users\Admin\AppData\Local\Temp\f76b49f.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:1868
              • C:\Users\Admin\AppData\Local\Temp\f76b616.exe
                C:\Users\Admin\AppData\Local\Temp\f76b616.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 policy modification
                PID:2856
              • C:\Users\Admin\AppData\Local\Temp\f76d088.exe
                C:\Users\Admin\AppData\Local\Temp\f76d088.exe
                4⤵
                • Executes dropped EXE
                PID:2588
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2024

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b49f.exe

            Filesize

            97KB

            MD5

            76ac762d075165cf232ed31c1dc83fc7

            SHA1

            31432bb5af1d95cb834cf2bd20dc7bf7ca4b86b7

            SHA256

            87f4bbf3debd47212f492a59b242b47a63a513f0eab07605ea1c7e8c0d534147

            SHA512

            0bb53447b83b33e10b8fafe03b347573390185b700ec233dd97cf7c2474fd7b5ddcf14df3fb594ee767069bc20496f51ca47e43981071c992dfcef0b9311fd24

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5a589a1e81caaa35e0de3b2508e0aefe

            SHA1

            85268e51e6cd6569cfee5ef292b301b10f4424db

            SHA256

            e54c1cb909d27471327c190883a374c41d76e22fc1af22625007fd1e76d963be

            SHA512

            3d966dbb23bdf29bdf79f17ef16c20f90951fd4321e2bc14d6290257ee37dd023034940a6482a030aec86223f787fe960e67277dcbadcb3d5a37d4a25d5d6fba

          • memory/1052-22-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1868-59-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-11-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-80-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1868-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-38-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/1868-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-147-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-60-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-81-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-79-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-105-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-104-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-57-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1868-58-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-13-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-82-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2588-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2588-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2588-170-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2856-122-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2856-171-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2856-166-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2856-165-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2856-93-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2856-50-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-49-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3068-72-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/3068-47-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3068-30-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3068-31-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/3068-39-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/3068-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3068-74-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/3068-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-73-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB