Analysis

  • max time kernel
    120s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 11:55

General

  • Target

    79d84d5a52efb44414294c5b32809ff299b126422439e37772b2ff9736028b69.exe

  • Size

    97KB

  • MD5

    9f117d82e5e26146db40ee4c2c20ddcd

  • SHA1

    940fbbfb56e35888b1ad72ec7fff594652f91ca0

  • SHA256

    79d84d5a52efb44414294c5b32809ff299b126422439e37772b2ff9736028b69

  • SHA512

    01fbd5540abacee45caad8540b0af7c788c34b14d4c8ad011a46bca45a48a6dfad0e9f4d7040c2a2d1aee3e8ee823ac5aca4a383c704ce65d5bc84859b470009

  • SSDEEP

    3072:xSUti6Rj6Yxq2hb/uxehD8EEjsYHjxQdT:xN0YQeuxCDrYDGh

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • 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.

  • UPX packed file 29 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1084
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Users\Admin\AppData\Local\Temp\79d84d5a52efb44414294c5b32809ff299b126422439e37772b2ff9736028b69.exe
            "C:\Users\Admin\AppData\Local\Temp\79d84d5a52efb44414294c5b32809ff299b126422439e37772b2ff9736028b69.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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:3032
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:952

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ygxc.exe

            Filesize

            97KB

            MD5

            36c1a623db27d14ed744ebf70ebff2d6

            SHA1

            bd0489d6a2c95a090291378c7c22e246b091405e

            SHA256

            bff2716700467a8cb7995d53b24bfeb702fbf58253e44c1b99b8e6c3ce295256

            SHA512

            d1554ec644eb7d042ee99ebfdd57c0be2437f826fb77755cca92b26b0cfe5248915f955a65c72b70c588628fecd193ca7a4017dded8833b912bdb6a0aa782518

          • memory/1084-7-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/3032-33-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-14-0x00000000039B0000-0x00000000039B2000-memory.dmp

            Filesize

            8KB

          • memory/3032-36-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-22-0x00000000039B0000-0x00000000039B2000-memory.dmp

            Filesize

            8KB

          • memory/3032-38-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-3-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-37-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-5-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-4-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-28-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-6-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-27-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-30-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-31-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-32-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3032-34-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-17-0x0000000003D00000-0x0000000003D01000-memory.dmp

            Filesize

            4KB

          • memory/3032-15-0x0000000003D00000-0x0000000003D01000-memory.dmp

            Filesize

            4KB

          • memory/3032-29-0x00000000039B0000-0x00000000039B2000-memory.dmp

            Filesize

            8KB

          • memory/3032-40-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-42-0x00000000039B0000-0x00000000039B2000-memory.dmp

            Filesize

            8KB

          • memory/3032-44-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-55-0x0000000001B70000-0x0000000001B71000-memory.dmp

            Filesize

            4KB

          • memory/3032-57-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/3032-56-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/3032-58-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-60-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-69-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-72-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-76-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-77-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/3032-1-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB