Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2023, 02:37

General

  • Target

    7b4af7ba8d0a3450509484cd8131405dd0b4dc2fe8ad6ef9738da48334829a67.exe

  • Size

    973KB

  • MD5

    73b9e649641b60a0c22e6c7e9964e7d3

  • SHA1

    2a6693b3bc56cb90d3f1f012ff734bbfb98adcad

  • SHA256

    7b4af7ba8d0a3450509484cd8131405dd0b4dc2fe8ad6ef9738da48334829a67

  • SHA512

    3a47eb04cb15beac21d6785eae0094586453d3f2a36dbac200df2baa5c7b42992163d0d7ac5fe5bc5ed8691132debbdce8e0087757c8191f6c79a8cc5c5a0658

  • SSDEEP

    12288:mR/14w1B974y6WuDVVi1cm0EfPFt/wiPQYoIP0ume8zAEuayQX:mRNVcBWeVViKmffPFNwM/zcumHEcJ

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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 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 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.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:1508
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\7b4af7ba8d0a3450509484cd8131405dd0b4dc2fe8ad6ef9738da48334829a67.exe
            "C:\Users\Admin\AppData\Local\Temp\7b4af7ba8d0a3450509484cd8131405dd0b4dc2fe8ad6ef9738da48334829a67.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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2112
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:1168

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\uewthl.pif

            Filesize

            100KB

            MD5

            1586bba940d48a7c047f48e5b2af0e07

            SHA1

            992e8301fd5358be1f69ca6944bc5f368d6e4fd9

            SHA256

            6de9a9a9e5fc50a2b10cb4671e4691fe3a9ba9a5a6201e48c706c81aa3203380

            SHA512

            b996b0aa8112a717555dc1af9aba44af40b23ab905577d4753c061719170cf174c40f939f2413f3cddaf3952c7e0c5cd61add0b14ff0db2c2047208953f140e5

          • memory/1104-6-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2112-31-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-32-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-3-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-5-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-9-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-10-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-14-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-19-0x0000000000610000-0x0000000000612000-memory.dmp

            Filesize

            8KB

          • memory/2112-16-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-33-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-21-0x0000000000620000-0x0000000000621000-memory.dmp

            Filesize

            4KB

          • memory/2112-20-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-24-0x0000000000620000-0x0000000000621000-memory.dmp

            Filesize

            4KB

          • memory/2112-25-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-26-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-27-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-28-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-29-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-4-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-0-0x0000000000400000-0x000000000050F000-memory.dmp

            Filesize

            1.1MB

          • memory/2112-22-0x0000000000610000-0x0000000000612000-memory.dmp

            Filesize

            8KB

          • memory/2112-35-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-37-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-41-0x0000000000610000-0x0000000000612000-memory.dmp

            Filesize

            8KB

          • memory/2112-45-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-47-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-48-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-49-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-51-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-54-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-55-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-56-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-62-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-64-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-67-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-71-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-1-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2112-121-0x0000000000400000-0x000000000050F000-memory.dmp

            Filesize

            1.1MB