Analysis

  • max time kernel
    118s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 02:51

General

  • Target

    ac4ffffb524d1015880d6403bee92f6a21b5e3d020f86409fcb3294ad2130761.exe

  • Size

    65KB

  • MD5

    51c48a21435849a93817e9c9ab5ad89d

  • SHA1

    302e0807aa6e80b2ae4d7bf18054c258af7b22e1

  • SHA256

    ac4ffffb524d1015880d6403bee92f6a21b5e3d020f86409fcb3294ad2130761

  • SHA512

    cf47ccd05d70ac83f22797acc0bfa475d6891a78221c8c600c7a9995d52059d29f78065d5758333fb82e7187b26adb60fb0885ab31f05e551876e2b8faf3aaa3

  • SSDEEP

    1536:+PpzLJh7PXrM9/SKjvIPDMsCNm1G0+AcSorM:+PpzrjrKrIP3CNm1GPAGw

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 30 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 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Users\Admin\AppData\Local\Temp\ac4ffffb524d1015880d6403bee92f6a21b5e3d020f86409fcb3294ad2130761.exe
            "C:\Users\Admin\AppData\Local\Temp\ac4ffffb524d1015880d6403bee92f6a21b5e3d020f86409fcb3294ad2130761.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:2060
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1700

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\kvxtcp.pif

            Filesize

            97KB

            MD5

            60a2434db44cd3bec44a41879fa5801b

            SHA1

            f26567f713d4db38ce59423bc65b3d812ee18d87

            SHA256

            24392442e040a40bd07d1be62454b947b8c47220a2774660b28e157c2e82d9e6

            SHA512

            a917dca6ea016108f829ce0506edb79e3aab65d854fa1c3c65e7d9aff36fdf89cbf34e9c63fffa9b4fff5de57ee1b53bc79aaee8cccbb2c76f5387c21411fd10

          • memory/1108-17-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/2060-35-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-29-0x00000000045E0000-0x00000000045E2000-memory.dmp

            Filesize

            8KB

          • memory/2060-7-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-37-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-6-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-40-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-8-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-38-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-27-0x0000000004730000-0x0000000004731000-memory.dmp

            Filesize

            4KB

          • memory/2060-10-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-24-0x0000000004730000-0x0000000004731000-memory.dmp

            Filesize

            4KB

          • memory/2060-23-0x00000000045E0000-0x00000000045E2000-memory.dmp

            Filesize

            8KB

          • memory/2060-3-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-30-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-11-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-31-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-32-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-33-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2060-36-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-4-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-5-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-9-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-41-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-43-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-46-0x00000000045E0000-0x00000000045E2000-memory.dmp

            Filesize

            8KB

          • memory/2060-58-0x0000000001770000-0x0000000001772000-memory.dmp

            Filesize

            8KB

          • memory/2060-57-0x0000000001770000-0x0000000001772000-memory.dmp

            Filesize

            8KB

          • memory/2060-56-0x0000000004880000-0x0000000004881000-memory.dmp

            Filesize

            4KB

          • memory/2060-59-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-60-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-67-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-71-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-73-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-75-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-77-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-81-0x0000000001770000-0x0000000001772000-memory.dmp

            Filesize

            8KB

          • memory/2060-1-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2060-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB