Analysis

  • max time kernel
    156s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05-02-2022 16:21

General

  • Target

    Receipt & Shipment Forms.exe

  • Size

    305KB

  • MD5

    f3bb82503577a06717fec42e054e9eea

  • SHA1

    340a20bcc520d09ec3d75d4c0956d308e70ce1be

  • SHA256

    58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453

  • SHA512

    2ad8fbbf3fef6e225fc8ba9d66472045b05ded0f64a79e5a1b226661bbc1f94952cc713216ffc21a9baf5c6e6bde46cecdf2eef228b99444a451127319c04b1f

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 47 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Receipt & Shipment Forms.exe
    "C:\Users\Admin\AppData\Local\Temp\Receipt & Shipment Forms.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\stickers.exe
      C:\Users\Admin\AppData\Local\Temp\stickers.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:660
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
          PID:3532
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:704
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -p
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:3664

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/660-135-0x0000000000580000-0x0000000000588000-memory.dmp

      Filesize

      32KB

    • memory/660-138-0x0000000000570000-0x0000000000573000-memory.dmp

      Filesize

      12KB

    • memory/660-139-0x0000000075FE0000-0x0000000076043000-memory.dmp

      Filesize

      396KB

    • memory/660-140-0x00007FFBDE830000-0x00007FFBDEA25000-memory.dmp

      Filesize

      2.0MB

    • memory/3532-143-0x00007FFBDE830000-0x00007FFBDEA25000-memory.dmp

      Filesize

      2.0MB

    • memory/3532-144-0x0000000000F40000-0x0000000000F46000-memory.dmp

      Filesize

      24KB

    • memory/3532-149-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB