Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 00:11

General

  • Target

    8892ae826f009f649160d994173bb42ea6a3b0add3ba237e7a28211af71dbeee.exe

  • Size

    65KB

  • MD5

    ca217668f1af545ad45f3e4a96dca827

  • SHA1

    a1caeadf843f2bf9d17f7f398ea4bdd9b141d20e

  • SHA256

    8892ae826f009f649160d994173bb42ea6a3b0add3ba237e7a28211af71dbeee

  • SHA512

    c3e864f44a528128e29d97e68cae072c821590c176ab9df42319c686c4ea543a936dd086c96c44fd7dcde4bd3a6a2aa34733c695ac80999725039cfe8864aeda

  • SSDEEP

    1536:Eo2DbZkM4b7ieSFHjzwSJPD50dIVYCTRDFX4Z:z8Vkzve4CPVPVReZ

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 29 IoCs
  • UPX dump on OEP (original entry point) 31 IoCs
  • UPX packed file 29 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Users\Admin\AppData\Local\Temp\8892ae826f009f649160d994173bb42ea6a3b0add3ba237e7a28211af71dbeee.exe
            "C:\Users\Admin\AppData\Local\Temp\8892ae826f009f649160d994173bb42ea6a3b0add3ba237e7a28211af71dbeee.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:2980
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1996

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1104-13-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2980-37-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-66-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-3-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-10-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-32-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2980-33-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2980-11-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-9-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-28-0x0000000000320000-0x0000000000321000-memory.dmp

            Filesize

            4KB

          • memory/2980-8-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-7-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-23-0x0000000000320000-0x0000000000321000-memory.dmp

            Filesize

            4KB

          • memory/2980-22-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2980-38-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-4-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-12-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-35-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-34-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-104-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-6-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-1-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-40-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-41-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-42-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-43-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-44-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-47-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-56-0x00000000040A0000-0x00000000040A1000-memory.dmp

            Filesize

            4KB

          • memory/2980-57-0x0000000004090000-0x0000000004092000-memory.dmp

            Filesize

            8KB

          • memory/2980-59-0x0000000004090000-0x0000000004092000-memory.dmp

            Filesize

            8KB

          • memory/2980-60-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-72-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-75-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-77-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-36-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-105-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB