Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 21:41

General

  • Target

    58ef3536592acc4fe95284664e89720823b8db3de7b4d0fc2a6a241e8ee127b3.dll

  • Size

    120KB

  • MD5

    b22f64b664cd593d8caf9348b0ab2289

  • SHA1

    8df3fa14478c2d07b1acb0a2e428f349a83c07ad

  • SHA256

    58ef3536592acc4fe95284664e89720823b8db3de7b4d0fc2a6a241e8ee127b3

  • SHA512

    1d24c3b4a75decaf970d7a883ea57826f0274eba93b4a506c6adb7ea5aa895d3b21268894967ccc5e773ab4e21b684cd50b2e4377509be60b0cd5e9a6a16f3b6

  • SSDEEP

    1536:VxgYV+IcPjDuyEtTs9Rn8g0SUVghgaN/AmJeVYF7TF8jbKTZLu33X3vOf9tsrO/:8/jDuttAv8g0Dsg+/AmcVe1pMHv6OO

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 2 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 26 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1088
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1136
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\58ef3536592acc4fe95284664e89720823b8db3de7b4d0fc2a6a241e8ee127b3.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2080
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\58ef3536592acc4fe95284664e89720823b8db3de7b4d0fc2a6a241e8ee127b3.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1724
              • C:\Users\Admin\AppData\Local\Temp\f761803.exe
                C:\Users\Admin\AppData\Local\Temp\f761803.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1964
              • C:\Users\Admin\AppData\Local\Temp\f7619a8.exe
                C:\Users\Admin\AppData\Local\Temp\f7619a8.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1624
              • C:\Users\Admin\AppData\Local\Temp\f7633ae.exe
                C:\Users\Admin\AppData\Local\Temp\f7633ae.exe
                4⤵
                • Executes dropped EXE
                PID:2436
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1608

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6485013f23a2dba6026c422cf5e371d6

            SHA1

            34a9330c95f2380dad0883d656bd4bb2f8a2cc73

            SHA256

            eef15715462a43702ccc728a3f3495e4360425931c92399fb82810d2e1529316

            SHA512

            743b620e7af2db53f55b006b9de3e4eb92fec744fa5d7875d08cb2fcc651cc637415389ad9010fef31abd788386a9e51bc5f378519366632e2604a69b9131f81

          • \Users\Admin\AppData\Local\Temp\f761803.exe

            Filesize

            97KB

            MD5

            8ab79baad767171d1caaa0be53c37bb6

            SHA1

            9546ef28de32847ee324ebf3f2f329b69da398aa

            SHA256

            c2212fde35d0c7b06dd41b9e6f62d31fefac83509b44652c4b0a0461a9962f1b

            SHA512

            d284473a32252c24e833bf9ec132aeaed7885a84f8d162b9a0dabed3df308b0f803dd16ff35da40bc34fd1c97eea33d27ad9c9408d9e4e8cf73f862a68caa455

          • memory/1060-23-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1624-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1624-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1624-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1624-178-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-177-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1624-159-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/1624-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1724-51-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1724-30-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1724-31-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/1724-50-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/1724-48-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1724-9-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1724-76-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1724-79-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/1724-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1724-39-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/1964-60-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-85-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-22-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-59-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1964-61-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-40-0x0000000000320000-0x0000000000321000-memory.dmp

            Filesize

            4KB

          • memory/1964-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-63-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-66-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-67-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1964-15-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-53-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1964-82-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-83-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-14-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-86-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-16-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-13-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-106-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-119-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/1964-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1964-147-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2436-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2436-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2436-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2436-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB