Overview

overview

10

Static

static

10

FiveM File...er.exe

windows7-x64

10

FiveM File...er.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    210s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 13:21

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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
evasion

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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 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
    • Suspicious use of WriteProcessMemory
    PID:4940
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4480
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Modifies Windows Firewall
        PID:4428
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2808

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

    Download Submit

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

    5B

    MD5

    5014379cf5fa31db8a73d68d6353a145

    SHA1

    2a1a5138e8c9e7547caae1c9fb223afbf714ed00

    SHA256

    538b830838cbf62e6ce267b48e2eb165030686e5b6317f0b1e9205a3e08c73b8

    SHA512

    5091a16ef7730449601a70b5ef5512a93c98c76beb8cfee1adc9d39780c49b1d712e764720b04e44e18c7b08633c5d453793462c18dc6bef14d82bf69892e18f

    Download Submit

  • memory/4940-0-0x0000000074642000-0x0000000074643000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4940-1-0x0000000074640000-0x0000000074BF1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4940-2-0x0000000074640000-0x0000000074BF1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4940-13-0x0000000074640000-0x0000000074BF1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5004-14-0x0000000074640000-0x0000000074BF1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5004-54-0x0000000074640000-0x0000000074BF1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5004-53-0x0000000074640000-0x0000000074BF1000-memory.dmp

    Filesize

    5.7MB

    Download