Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 16:16

General

  • Target

    3e25cab6761d98efdffa03bb5dbe2dfe00de36ff18e88b351e4604842958d8d6N.exe

  • Size

    100KB

  • MD5

    2a83baac5756893f98c9b2856454f7c0

  • SHA1

    71ebf18e90e843d0795e2f0531b14622bd5efc94

  • SHA256

    3e25cab6761d98efdffa03bb5dbe2dfe00de36ff18e88b351e4604842958d8d6

  • SHA512

    c8d154c71779b0f8208cc3b092f9d57c627c61444ba66069362d939768564671e83d21f02511b46e1c156d013d58806aeea37988ef9a8b6e03d7799fd4b626cb

  • SSDEEP

    1536:nHO+mY/al2IIv9HwDlmBt1KiYLpQp0EWD:HQQHhOlgt1/YdQp0EW

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 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 28 IoCs

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

  • 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).

  • 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 29 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1108
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Users\Admin\AppData\Local\Temp\3e25cab6761d98efdffa03bb5dbe2dfe00de36ff18e88b351e4604842958d8d6N.exe
            "C:\Users\Admin\AppData\Local\Temp\3e25cab6761d98efdffa03bb5dbe2dfe00de36ff18e88b351e4604842958d8d6N.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:2776
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1940

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\cmcd.exe

            Filesize

            100KB

            MD5

            363e10bc51aa1f6143fe598830e388a3

            SHA1

            79e1102bc6bc0bbd071a35502a9c38579b83cc3b

            SHA256

            8e74ad5500205a1e14a1900437a7b6bca7f863233a5b3745562c571829638cf9

            SHA512

            4d8f0e1fc98681e1a24e504b5f68b2bd8b317a75002c6a206988f21632179cd185bfffe5eaff8d0a2d6d0e326d471c3fa7e6f900b7a1778fb7b8a32424e76fd3

          • memory/1060-12-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/2776-28-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-23-0x0000000000470000-0x0000000000471000-memory.dmp

            Filesize

            4KB

          • memory/2776-24-0x0000000000460000-0x0000000000462000-memory.dmp

            Filesize

            8KB

          • memory/2776-29-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-21-0x0000000000470000-0x0000000000471000-memory.dmp

            Filesize

            4KB

          • memory/2776-31-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-3-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-11-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-10-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-9-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-7-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-6-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-5-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-26-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-25-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-27-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-4-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-8-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-20-0x0000000000460000-0x0000000000462000-memory.dmp

            Filesize

            8KB

          • memory/2776-32-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-33-0x0000000000460000-0x0000000000462000-memory.dmp

            Filesize

            8KB

          • memory/2776-34-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-35-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-44-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-46-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-48-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-49-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-52-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-53-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-61-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-62-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-65-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-66-0x0000000001E30000-0x0000000002EBE000-memory.dmp

            Filesize

            16.6MB

          • memory/2776-0-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/2776-134-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB