Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 07:22

General

  • Target

    b59575ef1c95d4aa48989610da05727503926d8d854dcdd879ca97e262c5ef1eN.exe

  • Size

    661KB

  • MD5

    89b107dd94f58d03350819f666c5da70

  • SHA1

    1dbb0d910370fcc5a23b9067a490283738c8168d

  • SHA256

    b59575ef1c95d4aa48989610da05727503926d8d854dcdd879ca97e262c5ef1e

  • SHA512

    ed4fad50e0ed62f01622d2028b811f0abdf67dc12e454dda05e63f6d4e0b36ae3be83cfcfa85443570623845558a045cc3bb1a0ae9fc84bdbee6800e5877cf46

  • SSDEEP

    12288:7OBOWHgN+iJ8ZkNSe+qQw9f+oYKrjQJ11+gVQm:+z6Se+qQwDYKc+gx

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

  • 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Users\Admin\AppData\Local\Temp\b59575ef1c95d4aa48989610da05727503926d8d854dcdd879ca97e262c5ef1eN.exe
          "C:\Users\Admin\AppData\Local\Temp\b59575ef1c95d4aa48989610da05727503926d8d854dcdd879ca97e262c5ef1eN.exe"
          1⤵
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Windows security modification
          • Checks whether UAC is enabled
          • 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:1200
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall set opmode disable
            2⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2848

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • memory/1200-0-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB

              • memory/1200-3-0x0000000002400000-0x0000000003433000-memory.dmp

                Filesize

                16.2MB

              • memory/1200-5-0x0000000002400000-0x0000000003433000-memory.dmp

                Filesize

                16.2MB

              • memory/1200-1-0x0000000002400000-0x0000000003433000-memory.dmp

                Filesize

                16.2MB

              • memory/1200-15-0x0000000000400000-0x00000000004AD000-memory.dmp

                Filesize

                692KB