Analysis

  • max time kernel
    270s
  • max time network
    225s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/04/2023, 16:41

General

  • Target
    Roblox Robux Generator.exe
  • Size 47KB
  • Sample230424-t63fgsdb72
  • SHA256 8d04e75201191a19e860e4d9b32b0728c82b92cb75b0a7aea28a0c54d75f3f06
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

Version
  • 1.0.7

Botnet
  • Default

C2
  • 127.0.0.1:8848

  • 127.0.0.1:1604

  • 127.0.0.1:13033

  • 0.tcp.eu.ngrok.io:8848

  • 0.tcp.eu.ngrok.io:1604

  • 0.tcp.eu.ngrok.io:13033

Mutex
  • DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    Runtime Broker.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Roblox Robux Generator.exe
    "C:\Users\Admin\AppData\Local\Temp\Roblox Robux Generator.exe"
    1⤵
      PID:3524
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3524 -s 1088
        2⤵
        • Program crash
        PID:228
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1800
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 456 -p 3524 -ip 3524
      1⤵
        PID:4532

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/1800-135-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-136-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-137-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-141-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-142-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-144-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-145-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-146-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-147-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/1800-143-0x0000027370210000-0x0000027370211000-memory.dmp

            memory/3524-133-0x0000000000640000-0x0000000000652000-memory.dmp

            memory/3524-134-0x000000001B0C0000-0x000000001B0D0000-memory.dmp