Analysis

  • max time kernel
    119s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 17:50

General

  • Target

    69d4682f91bb445ecdd7d709b6b46141ffe3db0a867ee1bdd25d8c8b98676af7.exe

  • Size

    4.4MB

  • MD5

    4ddb4004b846a24849755323d4f44f10

  • SHA1

    7f1faa9924ce99d11404bc2150fcc207f5e5d7c2

  • SHA256

    69d4682f91bb445ecdd7d709b6b46141ffe3db0a867ee1bdd25d8c8b98676af7

  • SHA512

    c6900c2375a255343fb7b888ee839532e716effceb270f5878707cfed6258a1de597ae08d31646faf902e8c7e2bf8655393cd53485270d30c283804b6ce0dbcb

  • SSDEEP

    98304:akAeZClVO2BbRI73bHMVCK0/EWnmHOCawY6J:dAzVjBbRI73bHMVCK0/EymHO6J

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 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.

  • UPX packed file 4 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\69d4682f91bb445ecdd7d709b6b46141ffe3db0a867ee1bdd25d8c8b98676af7.exe
            "C:\Users\Admin\AppData\Local\Temp\69d4682f91bb445ecdd7d709b6b46141ffe3db0a867ee1bdd25d8c8b98676af7.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 SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2344
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1140

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\wlks.exe

            Filesize

            97KB

            MD5

            7383ff0c1306b82980280cea3d2ff19b

            SHA1

            7ae7212113b216a59a31b30a027061cdb3710ff9

            SHA256

            6380251f5855e9195e33fa9b79dc4dcc675df19c9f2defd96fa86e5132cc7d2a

            SHA512

            ff02cb1a40d901206a342ec8a9b74bfef5d9d34150ff9c7ea5a6514a663acc205f105adba2c91e86d4bd0ec74a08e5fbfe1d377e9372f4a9b80c6c89a947fff2

          • memory/1124-10-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2344-28-0x0000000000400000-0x000000000082F000-memory.dmp

            Filesize

            4.2MB

          • memory/2344-27-0x000000000040F000-0x0000000000410000-memory.dmp

            Filesize

            4KB

          • memory/2344-19-0x0000000005950000-0x0000000005951000-memory.dmp

            Filesize

            4KB

          • memory/2344-18-0x0000000005800000-0x0000000005802000-memory.dmp

            Filesize

            8KB

          • memory/2344-4-0x00000000022C0000-0x000000000337A000-memory.dmp

            Filesize

            16.7MB

          • memory/2344-3-0x00000000022C0000-0x000000000337A000-memory.dmp

            Filesize

            16.7MB

          • memory/2344-0-0x0000000000400000-0x000000000082F000-memory.dmp

            Filesize

            4.2MB

          • memory/2344-21-0x0000000005950000-0x0000000005951000-memory.dmp

            Filesize

            4KB

          • memory/2344-26-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

            Filesize

            4KB

          • memory/2344-25-0x0000000005800000-0x0000000005802000-memory.dmp

            Filesize

            8KB

          • memory/2344-29-0x0000000000400000-0x000000000082F000-memory.dmp

            Filesize

            4.2MB

          • memory/2344-30-0x0000000000400000-0x000000000082F000-memory.dmp

            Filesize

            4.2MB

          • memory/2344-31-0x00000000022C0000-0x000000000337A000-memory.dmp

            Filesize

            16.7MB

          • memory/2344-33-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

            Filesize

            4KB

          • memory/2344-32-0x0000000005800000-0x0000000005802000-memory.dmp

            Filesize

            8KB

          • memory/2344-1-0x00000000022C0000-0x000000000337A000-memory.dmp

            Filesize

            16.7MB