Overview

overview

10

Static

static

10

67926f403c...e1.exe

windows10-2004-x64

10

67926f403c...e1.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 15:26

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General

  • Target
    67926f403c35ea3b36168314a912b341618a253d10595251002b7e5fe271f8e1.exe
  • Size 45KB
  • Sample260803-sveplsbd99
  • SHA256 67926f403c35ea3b36168314a912b341618a253d10595251002b7e5fe271f8e1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • fimsexvietnam.com:80

  • fimsexvietnam.com:22

  • fimsexvietnam.com:8080

  • fimsexvietnam.com:8880

  • fimsexvietnam.com:2052

  • fimsexvietnam.com:2082

  • fimsexvietnam.com:2086

  • fimsexvietnam.com:2095

  • fimsexvietnam.com:443

  • fimsexvietnam.com:2053

  • fimsexvietnam.com:2083

  • fimsexvietnam.com:2087

  • fimsexvietnam.com:2096

  • fimsexvietnam.com:8443

  • www.fimsexvietnam.com:80

  • www.fimsexvietnam.com:22

  • www.fimsexvietnam.com:8080

  • www.fimsexvietnam.com:8880

  • www.fimsexvietnam.com:2052

  • www.fimsexvietnam.com:2082

Mutex

  • O1aU1GCnXGZ5

Attributes
  • delay

    0

  • install

    true

  • install_file

    myfq69.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Outbound SSH connection to public host 2 TTPs 4 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67926f403c35ea3b36168314a912b341618a253d10595251002b7e5fe271f8e1.exe
    "C:\Users\Admin\AppData\Local\Temp\67926f403c35ea3b36168314a912b341618a253d10595251002b7e5fe271f8e1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "myfq69" /tr '"C:\Users\Admin\AppData\Roaming\myfq69.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "myfq69" /tr '"C:\Users\Admin\AppData\Roaming\myfq69.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4316
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3CD5.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3592
      • C:\Users\Admin\AppData\Roaming\myfq69.exe
        "C:\Users\Admin\AppData\Roaming\myfq69.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3636
  • C:\Users\Admin\AppData\Roaming\myfq69.exe
    "C:\Users\Admin\AppData\Roaming\myfq69.exe"
    1⤵
    • Executes dropped EXE
    • Outbound SSH connection to public host
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2328

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3CD5.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp3CD5.tmp.bat
        • Size 150B
        • SHA256 f55f26bf83e675e97bd8325d70f2c7ed1f3605f28c73d454604993ea46da682a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        myfq69.exe
        • Path C:\Users\Admin\AppData\Roaming\myfq69.exe
        • Size 45KB
        • SHA256 67926f403c35ea3b36168314a912b341618a253d10595251002b7e5fe271f8e1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1620-0-0x0000000000500000-0x0000000000512000-memory.dmp
        Download

        memory/1620-1-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
        Download

        memory/1620-2-0x0000000004EE0000-0x0000000004F7C000-memory.dmp
        Download

        memory/2328-10-0x0000000005720000-0x0000000005730000-memory.dmp
        Download

        memory/2328-13-0x0000000005720000-0x0000000005730000-memory.dmp
        Download