Analysis

  • max time kernel
    154s
  • max time network
    168s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 02:53

General

  • Target

    271_2019.exe

  • Size

    322KB

  • MD5

    7f71353df2ed28ac7dd55b402bb42450

  • SHA1

    3f31836a1a57673760f5c12866b7fdd7666dac96

  • SHA256

    4722dafde634152e42054038c6ab64563a9dd717edfa2e37f245c76f431cecec

  • SHA512

    4575a3202a820c615a655412e03106330b60b3fa10506ee1c7c7a468ebe6c6e9ecca6fb01fbaf9b3e8ac5e9834abd536fb50b4f73db34dee2b692147b767fc45

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.

  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\271_2019.exe
    "C:\Users\Admin\AppData\Local\Temp\271_2019.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
        PID:1052

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1052-123-0x0000000000560000-0x0000000000566000-memory.dmp

      Filesize

      24KB

    • memory/1052-124-0x0000000077C69000-0x0000000077C6A000-memory.dmp

      Filesize

      4KB

    • memory/1052-128-0x00007FF8DDA80000-0x00007FF8DDC5B000-memory.dmp

      Filesize

      1.9MB

    • memory/1052-149-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3672-117-0x00000000006C0000-0x00000000006C5000-memory.dmp

      Filesize

      20KB

    • memory/3672-118-0x0000000008E10000-0x0000000008E11000-memory.dmp

      Filesize

      4KB

    • memory/3672-120-0x0000000008E50000-0x0000000008E71000-memory.dmp

      Filesize

      132KB

    • memory/3672-119-0x00007FF8DDA80000-0x00007FF8DDC5B000-memory.dmp

      Filesize

      1.9MB