Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01-04-2021 06:43

General

  • Target

    823cb4b92a1266c880d917c7d6f71da37d524166287b30c0c89b6bb03c2e4b64.dll

  • Size

    9.7MB

  • MD5

    7c4ac7601ff409585e404ce409744918

  • SHA1

    4f037fcc7ce0f5509ee451e4760e21b9ca3ff55f

  • SHA256

    823cb4b92a1266c880d917c7d6f71da37d524166287b30c0c89b6bb03c2e4b64

  • SHA512

    cfdc5194a7713b6c4d793ff917bc854022c67228a03e0d2364360166b7c362d23ee1f670dafe6bf977f64e08e1b0fed1b85fbb029ebbbaf0713258bcc20f3ade

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.

  • Blocklisted process makes network request 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\823cb4b92a1266c880d917c7d6f71da37d524166287b30c0c89b6bb03c2e4b64.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:576
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\823cb4b92a1266c880d917c7d6f71da37d524166287b30c0c89b6bb03c2e4b64.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\notepad.exe
        "C:\Windows\system32\notepad.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:416
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • Blocklisted process makes network request
          • Drops file in Windows directory
          PID:196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/196-9-0x0000000002BF0000-0x0000000002BF8000-memory.dmp

    Filesize

    32KB

  • memory/196-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/416-6-0x0000000003300000-0x0000000003302000-memory.dmp

    Filesize

    8KB

  • memory/416-7-0x0000000003780000-0x0000000003788000-memory.dmp

    Filesize

    32KB

  • memory/1628-3-0x00000000045B1000-0x00000000049E1000-memory.dmp

    Filesize

    4.2MB

  • memory/1628-5-0x0000000002DF0000-0x0000000002DFB000-memory.dmp

    Filesize

    44KB