Analysis

  • max time kernel
    95s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 07:26

General

  • Target

    steamupdater.exe

  • Size

    132KB

  • MD5

    ae272da48f63b0c97b06f92f00f4ff3e

  • SHA1

    a6c26a2de3abaefb120845ae642001948a25b141

  • SHA256

    1a8da2a01c3fdd2d155b6ed685818988bd980f94b7f4eff3011a88bac8baaff7

  • SHA512

    345c2ba95aa64d7dbea7b912ee8005211c4bf259634dca803ccd55b2b2176929e4fc2c2482462c733abbd8c9c9fec2c3ceb8e80559804b49911baca0bcef9032

  • SSDEEP

    3072:K7W9jps0Tx4azG6GweOTir5axbjNCz45LT7a:KwpsERzGKurEXCzeLT7a

Malware Config

Extracted

Family

warzonerat

C2

189.14.53.123:1177

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzonerat family
  • Warzone RAT payload 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • NTFS ADS 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\steamupdater.exe
    "C:\Users\Admin\AppData\Local\Temp\steamupdater.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Users\Admin\Documents\steamup.exe
      "C:\Users\Admin\Documents\steamup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C ping 1.2.3.4 -n 2 -w 1000 > Nul & Del /f /q "C:\Users\Admin\Documents\steamup.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3756
        • C:\Windows\SysWOW64\PING.EXE
          ping 1.2.3.4 -n 2 -w 1000
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\steamup.exe

    Filesize

    132KB

    MD5

    ae272da48f63b0c97b06f92f00f4ff3e

    SHA1

    a6c26a2de3abaefb120845ae642001948a25b141

    SHA256

    1a8da2a01c3fdd2d155b6ed685818988bd980f94b7f4eff3011a88bac8baaff7

    SHA512

    345c2ba95aa64d7dbea7b912ee8005211c4bf259634dca803ccd55b2b2176929e4fc2c2482462c733abbd8c9c9fec2c3ceb8e80559804b49911baca0bcef9032