Overview

overview

10

Static

static

10

bccc3239f0...20.exe

windows10-2004-x64

10

bccc3239f0...20.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    60s
  • max time network
    61s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 19:50

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520.exe
  • Size 45KB
  • Sample260707-ykqa9ac191
  • SHA256 bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • x.vnphimsexhay.blog:80

  • x.vnphimsexhay.blog:22

  • x.vnphimsexhay.blog:8080

  • x.vnphimsexhay.blog:8880

  • x.vnphimsexhay.blog:2052

  • x.vnphimsexhay.blog:2082

  • x.vnphimsexhay.blog:2086

  • x.vnphimsexhay.blog:2095

  • x.vnphimsexhay.blog:443

  • x.vnphimsexhay.blog:2053

  • x.vnphimsexhay.blog:2083

  • x.vnphimsexhay.blog:2087

  • x.vnphimsexhay.blog:2096

  • x.vnphimsexhay.blog:8443

  • www.x.vnphimsexhay.blog:80

  • www.x.vnphimsexhay.blog:22

  • www.x.vnphimsexhay.blog:8080

  • www.x.vnphimsexhay.blog:8880

  • www.x.vnphimsexhay.blog:2052

  • www.x.vnphimsexhay.blog:2082

Mutex

  • Jni7eQRFwDuu

Attributes
  • delay

    0

  • install

    true

  • install_file

    f0clw.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
  • System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520.exe
    "C:\Users\Admin\AppData\Local\Temp\bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f0clw" /tr '"C:\Users\Admin\AppData\Roaming\f0clw.exe"' & exit
      2⤵
        PID:3700
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "f0clw" /tr '"C:\Users\Admin\AppData\Roaming\f0clw.exe"'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:6116
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2570.tmp.bat""
        2⤵
          PID:604
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:3664
          • C:\Users\Admin\AppData\Roaming\f0clw.exe
            "C:\Users\Admin\AppData\Roaming\f0clw.exe"
            3⤵
              PID:5856
        • C:\Users\Admin\AppData\Roaming\f0clw.exe
          "C:\Users\Admin\AppData\Roaming\f0clw.exe"
          1⤵
            PID:3532

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                tmp2570.tmp.bat
                • Path C:\Users\Admin\AppData\Local\Temp\tmp2570.tmp.bat
                • Size 149B
                • SHA256 85d936240deb65fb532093da4f8583aae92099053079fdd4059f71a25f7bc63e
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                f0clw.exe
                • Path C:\Users\Admin\AppData\Roaming\f0clw.exe
                • Size 45KB
                • SHA256 bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/2372-0-0x00000000745A2000-0x00000000745A3000-memory.dmp
                Download

                memory/2372-1-0x0000000000170000-0x0000000000182000-memory.dmp
                Download

                memory/2372-2-0x0000000074590000-0x0000000074D4C000-memory.dmp
                Download

                memory/2372-3-0x0000000004C80000-0x0000000004D1C000-memory.dmp
                Download

                memory/2372-8-0x0000000074590000-0x0000000074D4C000-memory.dmp
                Download

                memory/3532-12-0x0000000074420000-0x0000000074BDC000-memory.dmp
                Download

                memory/3532-14-0x0000000074420000-0x0000000074BDC000-memory.dmp
                Download