Analysis

  • max time kernel
    145s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 00:56

General

  • Target

    04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe

  • Size

    151KB

  • MD5

    66a23a09293207663976dad052e199b0

  • SHA1

    b54e13c403d677b87963890f686da75b8960183e

  • SHA256

    04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39

  • SHA512

    1a3ce389626b29e4a1ae02a146194c284ef9e5f094be07467b30ac7074f3c07953d6e35b6c4f36892c1ed1dd77150532393ef915587f4e63c7274b6ad04e01aa

  • SSDEEP

    3072:CxFrdsKg23siARENSuxmw7A2z7R/5z01WHT:CLL3siARphGDZT

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe
    "C:\Users\Admin\AppData\Local\Temp\04e886d4fe7e23fa780582353d0238db16458aed6b1e273539e2053ee4178a39.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 548
      2⤵
      • Program crash
      PID:1496

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1280-54-0x0000000075811000-0x0000000075813000-memory.dmp

          Filesize

          8KB

        • memory/1280-55-0x0000000074361000-0x0000000074363000-memory.dmp

          Filesize

          8KB

        • memory/1280-56-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/1280-58-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB