Analysis

  • max time kernel
    91s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-06-2022 11:44

General

  • Target

    helpdesk1.exe

  • Size

    8.9MB

  • MD5

    69bc1a7ef6055d469db60fde69588129

  • SHA1

    26c869f763a499e59bced14b3f53b54361181b50

  • SHA256

    d853393d45fc7123238bf7ce1cc87fbf72fe8aa757a8a3b9b77cd020f3327a25

  • SHA512

    ce3de41cd8530f14d6162e314b2549e07d4901d600e75742276453a63549a11bbe5c0a970940dba0d12e84cc83424926d0aca6667ccc9a820f852d72560edd55

Score
10/10

Malware Config

Signatures

  • ParallaxRat

    ParallaxRat is a multipurpose RAT written in MASM.

  • ParallaxRat payload 2 IoCs

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

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\helpdesk1.exe
    "C:\Users\Admin\AppData\Local\Temp\helpdesk1.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.exe
      "C:\Users\Admin\AppData\Local\Temp\helpdesk1.exe"
      2⤵
        PID:3148
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}
      1⤵
      • Drops startup file
      PID:2168

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3148-134-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3148-135-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3840-130-0x0000000002A60000-0x0000000002ADB000-memory.dmp

      Filesize

      492KB

    • memory/3840-132-0x0000000002A60000-0x0000000002ADB000-memory.dmp

      Filesize

      492KB

    • memory/3840-133-0x0000000002C60000-0x0000000002E03000-memory.dmp

      Filesize

      1.6MB