Overview

overview

10

Static

static

10

FiveM File...er.exe

windows10-ltsc 2021-x64

8

Analysis

  • max time kernel
    29s
  • max time network
    31s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    31-12-2024 19:38

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General

  • Target

    FiveM File + Error Fixer.exe

  • Size

    93KB

  • MD5

    45c9b9fa6b615cd1f013e13d8b3054bb

  • SHA1

    fc0c3e255a13aa5ae27f6c290ce329bed5265453

  • SHA256

    24f4b10f40eb128bab7c7692f3dee8892c91bdb5d8d40e5231543726dda521e4

  • SHA512

    743ec0a866258b81a65f432d9179a151f770e141a933ba43d640ce4479533207b5c105fd6a2fc15b6818bd4324a652209c3a3a64de81da372cd5e268d6a0d3d3

  • SSDEEP

    1536:MPPmqVulfoEGUeFXAOPc+jEwzGi1dDjDmgS:MP8lfodUeBAOPcHi1dDL

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • 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 6 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 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FiveM File + Error Fixer.exe
    "C:\Users\Admin\AppData\Local\Temp\FiveM File + Error Fixer.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3788
    • 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 FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5140
      • 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:2776
      • 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:4488
      • 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:5464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    93KB

    MD5

    45c9b9fa6b615cd1f013e13d8b3054bb

    SHA1

    fc0c3e255a13aa5ae27f6c290ce329bed5265453

    SHA256

    24f4b10f40eb128bab7c7692f3dee8892c91bdb5d8d40e5231543726dda521e4

    SHA512

    743ec0a866258b81a65f432d9179a151f770e141a933ba43d640ce4479533207b5c105fd6a2fc15b6818bd4324a652209c3a3a64de81da372cd5e268d6a0d3d3

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  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    5B

    MD5

    850ad04adc35f6ec7809f0f70de8300c

    SHA1

    06387beffabdf4ea012664a1d2693862a5e5a181

    SHA256

    59f6eeca3c022531b409b0dc1ea7c1d244ecc7af5b67a5600470b59cdbc04abe

    SHA512

    fca8d80dcdc3a14a04e5ae665dfae9c7b915d4b52b6a24b271d4ad67d9c72c2485815dcb097721d952458857eda8c0edac23f997486a3a1936693b1a5bb35532

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  • memory/3788-0-0x00000000745A2000-0x00000000745A3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3788-1-0x00000000745A0000-0x0000000074B51000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3788-2-0x00000000745A0000-0x0000000074B51000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3788-16-0x00000000745A0000-0x0000000074B51000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5140-17-0x00000000745A0000-0x0000000074B51000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5140-18-0x00000000745A0000-0x0000000074B51000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5140-21-0x00000000745A0000-0x0000000074B51000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5140-22-0x00000000745A0000-0x0000000074B51000-memory.dmp

    Filesize

    5.7MB

    Download