Overview

overview

10

Static

static

10

rATAT.exe

windows7-x64

10

rATAT.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 15:10

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General

  • Target
    rATAT.exe
  • Size 93KB
  • Sample240726-sj9evayfnd
  • SHA256 9c70b6c97b2873e2e80a201f78bb4623e8e7b1836776722f968afb22987cff9d
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rATAT.exe
    "C:\Users\Admin\AppData\Local\Temp\rATAT.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4968
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1180
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3912
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:912

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        server.exe
        • Path C:\Users\Admin\AppData\Local\Temp\server.exe
        • Size 93KB
        • SHA256 9c70b6c97b2873e2e80a201f78bb4623e8e7b1836776722f968afb22987cff9d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        app
        • Path C:\Users\Admin\AppData\Roaming\app
        • Size 5B
        • SHA256 538b830838cbf62e6ce267b48e2eb165030686e5b6317f0b1e9205a3e08c73b8
        • MD5 SHA1 SHA512
        Submit Download

        memory/4524-0-0x0000000074792000-0x0000000074793000-memory.dmp
        Download

        memory/4524-1-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download

        memory/4524-2-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download

        memory/4524-13-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download

        memory/4968-14-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download

        memory/4968-15-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download

        memory/4968-16-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download

        memory/4968-36-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download

        memory/4968-37-0x0000000074790000-0x0000000074D41000-memory.dmp
        Download