Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25-07-2024 21:50

General

  • Target

    UltimMC/libLauncher_rainbow.dll

  • Size

    67KB

  • MD5

    8bacee60fbf39997eb56bb4c2994f65b

  • SHA1

    f604b07e35891b8d46f5d27c3b3232ab4711392e

  • SHA256

    b14e80c81dd81f5f5c5d4a3b4f4df3ce36e79a107ed23e25b74ad62836ffefa8

  • SHA512

    7c936c19858bffe1cffc65e9ec31553f623535527d8c4a93c94ff7ad791251e63e2fc7e23827fd91e0ce2412a731b5af028910aba6c948c8468858fbb4abd80a

  • SSDEEP

    768:qEg24DKoyYH150BEexXfz2xGppy/a2MaOtRd9P9mg8rO71:qFVD11ij1oDM5hP7x

Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_rainbow.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libLauncher_rainbow.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:980

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Replay Monitor

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Downloads

  • memory/980-0-0x0000000004840000-0x0000000004D6F000-memory.dmp
    Filesize

    5.2MB

  • memory/980-5-0x0000000004841000-0x0000000004AE9000-memory.dmp
    Filesize

    2.7MB

  • memory/980-3-0x0000000004840000-0x0000000004D6F000-memory.dmp
    Filesize

    5.2MB

  • memory/980-6-0x0000000004840000-0x0000000004D6F000-memory.dmp
    Filesize

    5.2MB

  • memory/980-8-0x0000000064940000-0x0000000064954000-memory.dmp
    Filesize

    80KB

  • memory/980-7-0x000000006E940000-0x000000006E964000-memory.dmp
    Filesize

    144KB