Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 16:10

General

  • Target

    c10553511b6669c5f10256e66955ace9.exe

  • Size

    100KB

  • MD5

    c10553511b6669c5f10256e66955ace9

  • SHA1

    52f174ca6ac799250d0711ba57e358fccd5e23b7

  • SHA256

    16e79ee3a6f24f935377544b9a71da95db4a5e3f8858b9256872e88382a38c39

  • SHA512

    46fc619e5e2970ca8b0a6f8bd110da793810cef3bd0c778c389257b4e7242e73cb26fa3751ef8fab911a396eae8eae5c0ee1f828ed4c15d5c7f2339e06896126

  • SSDEEP

    1536:gxKxJQwrnt71IVojM2mKfwQtnIgqAMhyS0Hkj1GeRyR1d:goxJQQ1jjMnK8gqAM0S0Hy1b0

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 40 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1132
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1192
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1268
          • C:\Users\Admin\AppData\Local\Temp\c10553511b6669c5f10256e66955ace9.exe
            "C:\Users\Admin\AppData\Local\Temp\c10553511b6669c5f10256e66955ace9.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2244

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\nmuynp.exe

          Filesize

          100KB

          MD5

          308ed25d9cdfcc92f51146b927321382

          SHA1

          e4f85fcfe691b91697bd7f4109c23ccdd1793722

          SHA256

          e25234c7608a172433b797a020f565fb16883543074f29f226ca0db196328acd

          SHA512

          6f37d28a34a6cd818894a925fba2fdcd252f1e766f9e4ba0a8e19ba4960fd71ed3652045b5329fdde274d3ecb429ebed879c96715e4d344a5f185819f8ad6e48

        • memory/1132-6-0x0000000000390000-0x0000000000392000-memory.dmp

          Filesize

          8KB

        • memory/2244-30-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-16-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-5-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-34-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-10-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-36-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-15-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-35-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-17-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-18-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-19-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-20-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-21-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-22-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-24-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-25-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-26-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-28-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-0-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/2244-32-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-8-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-4-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-14-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-38-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-40-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-46-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-47-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-49-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-51-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-52-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-53-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-57-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-59-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-61-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-63-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-65-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-67-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-69-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-71-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2244-2-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB