Overview

overview

10

Static

static

10

e0e0015afe...11.exe

windows10-2004-x64

10

e0e0015afe...11.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 07:50

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General

  • Target
    e0e0015afee9e23af7cb299e418eb31a7a52c9c00c24679e8c48fcb5274b1e11.exe
  • Size 45KB
  • Sample260804-jplrasfe93
  • SHA256 e0e0015afee9e23af7cb299e418eb31a7a52c9c00c24679e8c48fcb5274b1e11
  • 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

  • n5UkknfaRlLv

Attributes
  • delay

    0

  • install

    true

  • install_file

    v0a4l.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 2 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\e0e0015afee9e23af7cb299e418eb31a7a52c9c00c24679e8c48fcb5274b1e11.exe
    "C:\Users\Admin\AppData\Local\Temp\e0e0015afee9e23af7cb299e418eb31a7a52c9c00c24679e8c48fcb5274b1e11.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "v0a4l" /tr '"C:\Users\Admin\AppData\Roaming\v0a4l.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "v0a4l" /tr '"C:\Users\Admin\AppData\Roaming\v0a4l.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2620
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5678.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3760
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1580
      • C:\Users\Admin\AppData\Roaming\v0a4l.exe
        "C:\Users\Admin\AppData\Roaming\v0a4l.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1216
  • C:\Users\Admin\AppData\Roaming\v0a4l.exe
    "C:\Users\Admin\AppData\Roaming\v0a4l.exe"
    1⤵
    • Executes dropped EXE
    • Outbound SSH connection to public host
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4712

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp5678.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp5678.tmp.bat
        • Size 149B
        • SHA256 a6e550464be8bc2f30888e311f7e83b392a7aabd69ac191256ef93568e724ee2
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        v0a4l.exe
        • Path C:\Users\Admin\AppData\Roaming\v0a4l.exe
        • Size 45KB
        • SHA256 e0e0015afee9e23af7cb299e418eb31a7a52c9c00c24679e8c48fcb5274b1e11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2432-0-0x0000000000D30000-0x0000000000D42000-memory.dmp
        Download

        memory/2432-1-0x00000000056D0000-0x00000000056E0000-memory.dmp
        Download

        memory/2432-2-0x0000000005780000-0x000000000581C000-memory.dmp
        Download

        memory/4712-10-0x0000000005420000-0x0000000005430000-memory.dmp
        Download

        memory/4712-13-0x0000000005420000-0x0000000005430000-memory.dmp
        Download