Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    01-02-2021 14:11

General

  • Target

    feedback_form.exe

  • Size

    1.9MB

  • MD5

    5431a710d8a0c6bc319125ea7c40efd1

  • SHA1

    ae52c3ea465ced7137948a7be6630231affb94a0

  • SHA256

    1c10a7cf57b58de1cb5d0a6e1369a2cf5dd74fc1593c45b991dde7605ff01486

  • SHA512

    80910c4f85f680877cf59a5ceaea703a459636dd9e473febff1d35c3c0dc5405099ce604b0a9b98847b78b0b7b550b007fdb19a2ed7ab08f9587fdb30724d727

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 91 IoCs
  • 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 21 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\feedback_form.exe
    "C:\Users\Admin\AppData\Local\Temp\feedback_form.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Users\Admin\AppData\Local\Temp\feedback_form.exe"
      2⤵
      • Blocklisted process makes network request
      PID:1344
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}
    1⤵
    • Drops startup file
    PID:1288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1344-9-0x0000000000090000-0x0000000000091000-memory.dmp

    Filesize

    4KB

  • memory/1344-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1732-2-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

    Filesize

    8KB

  • memory/1732-3-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1732-7-0x0000000001FB0000-0x000000000202B000-memory.dmp

    Filesize

    492KB

  • memory/1732-8-0x0000000002110000-0x0000000002290000-memory.dmp

    Filesize

    1.5MB