Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 11:44

General

  • Target

    ChangerSteamByOstrogV2/ChangerSteamByOstrog.dll

  • Size

    43KB

  • MD5

    8be7868e56b934d338b24ed3a1f92e54

  • SHA1

    a293f447d18b3c9d87b17619c737d05039e3a950

  • SHA256

    c7308b8aa5092c67de5bd8a59fd0892b9ba02a5420f979a51e8347943ae7bd72

  • SHA512

    e9705dcccf894f48a656588d2ed8f04db9db0438d6835f360d78ab1a8d4ab8d1c34335266f07d6823c13f4b9191a72bd006acd7fe752542412c15fa6075b9b19

  • SSDEEP

    768:wYrwv9rqwFUtGA0nHcwERRWuTOhiLPYYQEKdjIm5EL8koTPrboe4nbcuyD7U:wYrwvBqwi8A0nH9s5OkLPYYemm5EgkG4

Score
5/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ChangerSteamByOstrogV2\ChangerSteamByOstrog.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ChangerSteamByOstrogV2\ChangerSteamByOstrog.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2072-0-0x0000000000120000-0x0000000000149000-memory.dmp

    Filesize

    164KB

  • memory/2072-3-0x0000000000130000-0x0000000000159000-memory.dmp

    Filesize

    164KB

  • memory/2072-2-0x0000000000120000-0x0000000000149000-memory.dmp

    Filesize

    164KB

  • memory/2072-1-0x0000000000120000-0x0000000000149000-memory.dmp

    Filesize

    164KB

  • memory/2072-4-0x0000000000130000-0x0000000000159000-memory.dmp

    Filesize

    164KB