Analysis

  • max time kernel
    126s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2024 13:18

General

  • Target

    c7e7463e0549183df3c60633360ba1969b70b02558aa6d5f6b427d44bda2fb6a.exe

  • Size

    3.3MB

  • MD5

    bd150b450f2e495ac8eedfc003a0688a

  • SHA1

    e598bb51b2df62cf42fe3d3d4cde9457fe568026

  • SHA256

    c7e7463e0549183df3c60633360ba1969b70b02558aa6d5f6b427d44bda2fb6a

  • SHA512

    2dd823db08d41f895ce99f1a94ce338261b5403af86c6925a1840bf99293c74b176792262d7e2b408537328e9b7b5001df676806dcf50931be077c3009e65754

  • SSDEEP

    49152:s44nCGh/w6CJ5VggggMgWZ5/WICQ5M5mrmz3MgIuqbLKP/hkSCcNxVzNJQIKWDT4:wc6CJ5GZtW9mrmX8gh7CcNxVz7o

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 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
  • UPX packed file 32 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 20 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\c7e7463e0549183df3c60633360ba1969b70b02558aa6d5f6b427d44bda2fb6a.exe
            "C:\Users\Admin\AppData\Local\Temp\c7e7463e0549183df3c60633360ba1969b70b02558aa6d5f6b427d44bda2fb6a.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • 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:2308
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:884

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\bxwiwb.exe
            Filesize

            97KB

            MD5

            8417fd2ee5139642dbdfc42502c7bbd1

            SHA1

            fb2034af3dfe5797add3e94b3021e37ab8b687f8

            SHA256

            f1d91997d5eb46f0299c5f25bbf454604a7401e4b402f5c1264202b1d6ddccbc

            SHA512

            7003270d6a04de93d2baa93718ed82734e950db0a45293bc7caea8cf9d76d232c5b827cf9db0174e99a751e39249123c1954c1508640a756b7953d9314a998dc

          • memory/1112-18-0x0000000002030000-0x0000000002032000-memory.dmp
            Filesize

            8KB

          • memory/2308-36-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-71-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-10-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-30-0x0000000004330000-0x0000000004332000-memory.dmp
            Filesize

            8KB

          • memory/2308-31-0x0000000004330000-0x0000000004332000-memory.dmp
            Filesize

            8KB

          • memory/2308-29-0x0000000004490000-0x0000000004491000-memory.dmp
            Filesize

            4KB

          • memory/2308-27-0x0000000004490000-0x0000000004491000-memory.dmp
            Filesize

            4KB

          • memory/2308-26-0x0000000004330000-0x0000000004332000-memory.dmp
            Filesize

            8KB

          • memory/2308-11-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-12-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-9-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-8-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-7-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-38-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-6-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-32-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-33-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-34-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-90-0x0000000004330000-0x0000000004332000-memory.dmp
            Filesize

            8KB

          • memory/2308-4-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-5-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-39-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-41-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-43-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-44-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-53-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-55-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-56-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-58-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-61-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-62-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-66-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-69-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-35-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-70-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-74-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-75-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB

          • memory/2308-0-0x0000000000400000-0x000000000074F000-memory.dmp
            Filesize

            3.3MB

          • memory/2308-2-0x00000000023C0000-0x000000000347A000-memory.dmp
            Filesize

            16.7MB