Analysis

  • max time kernel
    58s
  • max time network
    62s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 19:01

General

  • Target
    5686866f179eba37a3dba470423973a27c644443596bd55a342e0b380b817009.exe
  • Size 45KB
  • Sample260712-xpff6sfx3q
  • SHA256 5686866f179eba37a3dba470423973a27c644443596bd55a342e0b380b817009
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • s1.phimsexvn2.blog:80

  • s1.phimsexvn2.blog:22

  • s1.phimsexvn2.blog:8080

  • s1.phimsexvn2.blog:8880

  • s1.phimsexvn2.blog:2052

  • s1.phimsexvn2.blog:2082

  • s1.phimsexvn2.blog:2086

  • s1.phimsexvn2.blog:2095

  • s1.phimsexvn2.blog:443

  • s1.phimsexvn2.blog:2053

  • s1.phimsexvn2.blog:2083

  • s1.phimsexvn2.blog:2087

  • s1.phimsexvn2.blog:2096

  • s1.phimsexvn2.blog:8443

  • www.s1.phimsexvn2.blog:80

  • www.s1.phimsexvn2.blog:22

  • www.s1.phimsexvn2.blog:8080

  • www.s1.phimsexvn2.blog:8880

  • www.s1.phimsexvn2.blog:2052

  • www.s1.phimsexvn2.blog:2082

Mutex
  • DvgxD1KTcIwt

Attributes
  • delay

    0

  • install

    true

  • install_file

    bcbg6.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

  • Async RAT payload 1 IoCs
  • 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.

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\5686866f179eba37a3dba470423973a27c644443596bd55a342e0b380b817009.exe
    "C:\Users\Admin\AppData\Local\Temp\5686866f179eba37a3dba470423973a27c644443596bd55a342e0b380b817009.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "bcbg6" /tr '"C:\Users\Admin\AppData\Roaming\bcbg6.exe"' & exit
      2⤵
        PID:5068
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "bcbg6" /tr '"C:\Users\Admin\AppData\Roaming\bcbg6.exe"'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2392
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8301.tmp.bat""
        2⤵
          PID:3452
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:3212
          • C:\Users\Admin\AppData\Roaming\bcbg6.exe
            "C:\Users\Admin\AppData\Roaming\bcbg6.exe"
            3⤵
              PID:3572
        • C:\Users\Admin\AppData\Roaming\bcbg6.exe
          "C:\Users\Admin\AppData\Roaming\bcbg6.exe"
          1⤵
            PID:4820

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                tmp8301.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmp8301.tmp.bat
                • Size 149B
                • SHA256 273c58693e3c90e5e0ba76a0c1522710d01755510dada87312ab4020f1e28915
                • MD5 SHA1 SHA512 TLSH

                bcbg6.exe

                • Path C:\Users\Admin\AppData\Roaming\bcbg6.exe
                • Size 45KB
                • SHA256 5686866f179eba37a3dba470423973a27c644443596bd55a342e0b380b817009
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2012-0-0x0000000075072000-0x0000000075073000-memory.dmp

                memory/2012-1-0x00000000005F0000-0x0000000000602000-memory.dmp

                memory/2012-2-0x0000000075060000-0x000000007581C000-memory.dmp

                memory/2012-3-0x0000000005110000-0x00000000051AC000-memory.dmp

                memory/2012-8-0x0000000075060000-0x000000007581C000-memory.dmp

                memory/4820-12-0x0000000074EF0000-0x00000000756AC000-memory.dmp

                memory/4820-14-0x0000000074EF0000-0x00000000756AC000-memory.dmp