Analysis

  • max time kernel
    51s
  • max time network
    73s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • resource tags

    arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-08-2022 16:20

General

  • Target

    11f44531fb088d31307d87b01e8eabff/iroto1.dll

  • Size

    434KB

  • MD5

    8e6fbefcbac2a1967941fa692c82c3ca

  • SHA1

    242a7803adb19f638ef62077f1b76756f3a13a0d

  • SHA256

    e05c717b43f7e204f315eb8c298f9715791385516335acd8f20ec9e26c3e9b0b

  • SHA512

    bc6dc64fa5bc19f234e3df27f718a50f82f6f086da2cd761d81edda4cf9355b40115279ebc368a0f55cf651405e34988336f9f5c3577ce7a7433971194a7b179

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto1.dll,#1
      2⤵
        PID:2380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 584
          3⤵
          • Program crash
          PID:1180

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2380-118-0x0000000000000000-mapping.dmp

    • memory/2380-119-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-120-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-121-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-122-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-123-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-124-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-125-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-126-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-127-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-129-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-128-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-130-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-131-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-132-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-133-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-134-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-135-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-136-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-137-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-138-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-140-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-141-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-142-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-144-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-146-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-148-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-150-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-151-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-154-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-155-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-156-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-153-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-152-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-149-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-147-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-145-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-143-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-139-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-157-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-158-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-159-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-160-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-161-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-162-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-163-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-165-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-164-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-166-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-167-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-168-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB

    • memory/2380-169-0x0000000077230000-0x00000000773BE000-memory.dmp

      Filesize

      1.6MB