Analysis

  • max time kernel
    371s
  • max time network
    867s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-es
  • resource tags

    arch:x64arch:x86image:win10-20220812-eslocale:es-esos:windows10-1703-x64systemwindows
  • submitted
    09-01-2023 00:46

General

  • Target

    UltimMC/imageformats/qjpeg.dll

  • Size

    246KB

  • MD5

    c228c1486e203d48d9c7d84d0b631e15

  • SHA1

    1ccdd75d6cd473d00aa17686ec98f509b1e8e360

  • SHA256

    a55cb801a07932d263c980b14abdb464acd8150b9258260efdf535634bfe9811

  • SHA512

    a649078738e69572276a37431c495582f933b04701deded8b5f6dd5b3c6d5b9d338ddb242b71659038d324ca74c2a8f2b229c7beba6f16ddea238f2bcbfae870

  • SSDEEP

    6144:jutAUtpjvlyaX8XZ99bkBRSMArBPkfB917Wu:jutAavlqJMArBPkf

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\imageformats\qjpeg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\imageformats\qjpeg.dll,#1
      2⤵
        PID:4016

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4016-116-0x0000000000000000-mapping.dmp

    • memory/4016-117-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-118-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-119-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-120-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-121-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-122-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-123-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-124-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-125-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-126-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-127-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-128-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-129-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-130-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-131-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-132-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-133-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-134-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-135-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-136-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-137-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-138-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-139-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-140-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-141-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-142-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-143-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-144-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-145-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-146-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-147-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-148-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-149-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-150-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-151-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-153-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-152-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-154-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-157-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-156-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-158-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-155-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-160-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-162-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-161-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-163-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-164-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-165-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-166-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB

    • memory/4016-159-0x0000000077380000-0x000000007750E000-memory.dmp

      Filesize

      1.6MB