Resubmissions

26-04-2024 18:41

240426-xbsvcahg48 3

26-04-2024 18:39

240426-xaprasaf5x 3

26-04-2024 18:16

240426-wwww3ahc88 7

Analysis

  • max time kernel
    56s
  • max time network
    17s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-04-2024 18:16

General

  • Target

    Rz_launcher_setup.exe

  • Size

    103KB

  • MD5

    c3083e7101f215f163d791d4319a4c36

  • SHA1

    24f046315e17986009b2c358600c375be29f1505

  • SHA256

    54b40015f685bceaffb29dfb8d0b13fe941ebe3428ccf0a8afe9539875d01179

  • SHA512

    8f5b703b9218585c04e49f0d9e41e10b44175ef14576d2d14c0b100c2fe5c77f3e0ffa7844119b0915992c405dd9d1fcd45954ea0e0196e2e06fa6664c76ef56

  • SSDEEP

    1536:VaORz6O1TgJVeMN87YPZNvMM9ri1WhAVWlGr5jzh:suzvchaYxNv9YR7zh

Score
7/10

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rz_launcher_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Rz_launcher_setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -Dfile.encoding=UTF-8 -classpath " org.develnext.jphp.ext.javafx.FXLauncher
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\system32\icacls.exe
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        3⤵
        • Modifies file permissions
        PID:4100
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

      Filesize

      46B

      MD5

      396da2fc9e6ab01d8cc91e0676abc9f3

      SHA1

      45b130f61664492f51609829310972569234a848

      SHA256

      f76b3025d4926d513fee65a69902dbaa7a27dd2b9ce8c4f234464379c570d2d1

      SHA512

      c35b10efd0ca3d2cc6f17b3256a028ea497d866dcedf5c444daad4294d881a3d05bf70fe7f02a1498bfa54e45027416ebee7c7004c98ce48a9963241dfa4adc8

    • memory/2260-5-0x0000024A90510000-0x0000024A91510000-memory.dmp

      Filesize

      16.0MB

    • memory/2260-14-0x0000024A8EBF0000-0x0000024A8EBF1000-memory.dmp

      Filesize

      4KB

    • memory/3220-0-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB