Analysis

  • max time kernel
    151s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    05-02-2022 16:17

General

  • Target

    4723ab5ed01fb642eb602ff59309d4d698e6011145ca1b757bb223b5a67fe159.exe

  • Size

    2.2MB

  • MD5

    79d702974c9b1588b1ad025fafad4d0a

  • SHA1

    88de570baf2c2a3fcb74c952669e9867706c343f

  • SHA256

    4723ab5ed01fb642eb602ff59309d4d698e6011145ca1b757bb223b5a67fe159

  • SHA512

    4970fe0e9849d0f0f7dd2201d20d1345deb53a686b18304c0e16af96b369964bb79e89b3bcd84c47eb30ad0a93777ad3d66842e77bcdb80b98df3cfaba0e0f12

Score
10/10

Malware Config

Signatures

  • ParallaxRat

    ParallaxRat is a multipurpose RAT written in MASM.

  • ParallaxRat payload 1 IoCs

    Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.

  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4723ab5ed01fb642eb602ff59309d4d698e6011145ca1b757bb223b5a67fe159.exe
    "C:\Users\Admin\AppData\Local\Temp\4723ab5ed01fb642eb602ff59309d4d698e6011145ca1b757bb223b5a67fe159.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Windows\SysWOW64\calc.exe
      "C:\Users\Admin\AppData\Local\Temp\4723ab5ed01fb642eb602ff59309d4d698e6011145ca1b757bb223b5a67fe159.exe"
      2⤵
        PID:1688
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}
      1⤵
      • Drops startup file
      PID:1692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1436-54-0x0000000076151000-0x0000000076153000-memory.dmp

      Filesize

      8KB

    • memory/1436-55-0x0000000000640000-0x00000000006BB000-memory.dmp

      Filesize

      492KB

    • memory/1436-61-0x0000000002560000-0x00000000026E0000-memory.dmp

      Filesize

      1.5MB

    • memory/1688-59-0x00000000007D0000-0x00000000007EE000-memory.dmp

      Filesize

      120KB

    • memory/1688-60-0x00000000007D0000-0x00000000007F0000-memory.dmp

      Filesize

      128KB

    • memory/1688-57-0x0000000000090000-0x0000000000091000-memory.dmp

      Filesize

      4KB

    • memory/1688-62-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB

    • memory/1688-63-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB