Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 19:53

General

  • Target

    Salwyrr Minecraft.jar

  • Size

    1.1MB

  • MD5

    0d978f1de0cf6d1e0d2793044eae90fb

  • SHA1

    da074ee152d44db2e3e3a95b2cc05d8f11ea20b9

  • SHA256

    49e4f65c5378e2f46de35f8dbe0af0f20887fc24284480dc94818b4fceb2a44d

  • SHA512

    a2113e77099138e6463f02de6f9622ad87ad740df67ac097ce1f361d29069cfa33da20c8ff31197eb7cad3264273306224e84f8d6d63601b9ea9eaf4e9974985

  • SSDEEP

    24576:jGyNIGcoO6Z54Ihj7HX/4sQgJAcb+mgWQZIKnuGHZm/aMUt:Cqx1t544j73/gcqmg1tuGHZm/aMUt

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 12 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Salwyrr Minecraft.jar"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    PID:4928
  • C:\Windows\System32\GameBarPresenceWriter.exe
    "C:\Windows\System32\GameBarPresenceWriter.exe" -ServerName:Windows.Gaming.GameBar.Internal.PresenceWriterServer
    1⤵
      PID:2932
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4712
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
      1⤵
      • Checks processor information in registry
      • Modifies registry class
      PID:4268

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/4928-136-0x0000000002B70000-0x0000000003B70000-memory.dmp

            Filesize

            16.0MB