Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 14:35

General

  • Target

    5b89a7eb7581b1f4363b5722986584761082df4ee2105b531b24f6f2a18d3b06.exe

  • Size

    128KB

  • MD5

    888e07c17f3bf2084213afa9af53aa15

  • SHA1

    1f2eafa1acffcc2faadb3a9b917cacfd68cef23b

  • SHA256

    5b89a7eb7581b1f4363b5722986584761082df4ee2105b531b24f6f2a18d3b06

  • SHA512

    e36d67d16fd118da3d7aa507627642a5b0364b40bf7897ad956be2a6f3f9807a781f0a4462b0f71d043c8ae5a55922ccbe2c7c96b9016071469bd182fa699342

  • SSDEEP

    3072:sX809It1WAKiqFvMK9eATHIzZmZHm7CcmBm5:287t1lf2MBA2ZsHhQ5

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 11 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\5b89a7eb7581b1f4363b5722986584761082df4ee2105b531b24f6f2a18d3b06.exe
            "C:\Users\Admin\AppData\Local\Temp\5b89a7eb7581b1f4363b5722986584761082df4ee2105b531b24f6f2a18d3b06.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2880
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:308

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1112-13-0x0000000002090000-0x0000000002092000-memory.dmp

            Filesize

            8KB

          • memory/2880-8-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-45-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-30-0x0000000003060000-0x0000000003062000-memory.dmp

            Filesize

            8KB

          • memory/2880-6-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-0-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/2880-10-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-9-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-31-0x0000000003060000-0x0000000003062000-memory.dmp

            Filesize

            8KB

          • memory/2880-3-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-1-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-5-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-29-0x0000000003070000-0x0000000003071000-memory.dmp

            Filesize

            4KB

          • memory/2880-22-0x0000000003070000-0x0000000003071000-memory.dmp

            Filesize

            4KB

          • memory/2880-21-0x0000000003060000-0x0000000003062000-memory.dmp

            Filesize

            8KB

          • memory/2880-7-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-4-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-32-0x0000000003060000-0x0000000003062000-memory.dmp

            Filesize

            8KB

          • memory/2880-44-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/2880-11-0x0000000001E20000-0x0000000002EDA000-memory.dmp

            Filesize

            16.7MB