Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 22:12

General

  • Target

    Rasomware2.0.exe

  • Size

    824KB

  • MD5

    7d17a868abac9de81fe79087eee31471

  • SHA1

    2d3f58ea051db43964243b8aefb7279e45e7bda9

  • SHA256

    1d871d84ee02630558411e47c81ef2aa8bef8f6cd8daaf594f133f545f772c26

  • SHA512

    85ec6c3cf0908b306712041fc9d971d27349641245c29f126e01443dcc6ccd78530c789b15d345938c194009c890b42f7c95bc65deae1ef7372e5744651f9540

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Drops desktop.ini file(s) 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rasomware2.0.exe
    "C:\Users\Admin\AppData\Local\Temp\Rasomware2.0.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1632 -s 692
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1376

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1376-60-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

    Filesize

    4KB

  • memory/1632-54-0x0000000000060000-0x0000000000134000-memory.dmp

    Filesize

    848KB

  • memory/1632-55-0x000007FEFC0E1000-0x000007FEFC0E3000-memory.dmp

    Filesize

    8KB

  • memory/1632-56-0x000000001B130000-0x000000001B132000-memory.dmp

    Filesize

    8KB

  • memory/1632-57-0x000000001B132000-0x000000001B133000-memory.dmp

    Filesize

    4KB

  • memory/1632-58-0x000000001B137000-0x000000001B156000-memory.dmp

    Filesize

    124KB