Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 04:26

General

  • Target

    fc486d8a43c535da050e562b2399aa586461f0cfc16ab1f1c1cc567eb28d0806.exe

  • Size

    97KB

  • MD5

    7f3e54ed2e2a160976d633823e40d408

  • SHA1

    ac9a2c9cf87317fc411fc847103f173aad6fbd74

  • SHA256

    fc486d8a43c535da050e562b2399aa586461f0cfc16ab1f1c1cc567eb28d0806

  • SHA512

    89e34f36d11a3770a4b41163072d26bc4fc61919641b12d0283377e0354540150d05cf74e669f56080fa639f11dc6f8a8497cdfa651e8703a1b8c3c573e35f52

  • SSDEEP

    1536:UkBkkt6wRTlK/+PVKKG0c0RXSUUEtt5Ezs88O33CC9OfAodj1AmnkGL1a:ZN7rpG0c0JNhfEA8FyC4IWj1AEZ

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 31 IoCs
  • UPX dump on OEP (original entry point) 32 IoCs
  • UPX packed file 31 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
  • Enumerates connected drives 3 TTPs 15 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 7 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:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\fc486d8a43c535da050e562b2399aa586461f0cfc16ab1f1c1cc567eb28d0806.exe
            "C:\Users\Admin\AppData\Local\Temp\fc486d8a43c535da050e562b2399aa586461f0cfc16ab1f1c1cc567eb28d0806.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • 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/1112-18-0x0000000001F50000-0x0000000001F52000-memory.dmp
            Filesize

            8KB

          • memory/2880-32-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-72-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-7-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-5-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-10-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-8-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-25-0x0000000003000000-0x0000000003002000-memory.dmp
            Filesize

            8KB

          • memory/2880-30-0x0000000003000000-0x0000000003002000-memory.dmp
            Filesize

            8KB

          • memory/2880-34-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-9-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-29-0x0000000004230000-0x0000000004231000-memory.dmp
            Filesize

            4KB

          • memory/2880-26-0x0000000004230000-0x0000000004231000-memory.dmp
            Filesize

            4KB

          • memory/2880-3-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-6-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-4-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-12-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-33-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2880-31-0x0000000003000000-0x0000000003002000-memory.dmp
            Filesize

            8KB

          • memory/2880-11-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-44-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-38-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-39-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-40-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-42-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-36-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-49-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-50-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-53-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-54-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-60-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-63-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-65-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-68-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-69-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-71-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-35-0x00000000006A0000-0x000000000175A000-memory.dmp
            Filesize

            16.7MB

          • memory/2880-91-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB