Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 06:47

General

  • Target
    ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
  • Size 45KB
  • Sample260804-hke8aaef56
  • SHA256 ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • viet69i.com:80

  • viet69i.com:22

  • viet69i.com:8080

  • viet69i.com:8880

  • viet69i.com:2052

  • viet69i.com:2082

  • viet69i.com:2086

  • viet69i.com:2095

  • viet69i.com:443

  • viet69i.com:2053

  • viet69i.com:2083

  • viet69i.com:2087

  • viet69i.com:2096

  • viet69i.com:8443

  • www.viet69i.com:80

  • www.viet69i.com:22

  • www.viet69i.com:8080

  • www.viet69i.com:8880

  • www.viet69i.com:2052

  • www.viet69i.com:2082

Mutex
  • wBilH4ozSspl

Attributes
  • delay

    0

  • install

    true

  • install_file

    cg2c3sz.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
  • Executes dropped EXE 2 IoCs
  • 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.

  • 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.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe
    "C:\Users\Admin\AppData\Local\Temp\ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cg2c3sz" /tr '"C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6120
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "cg2c3sz" /tr '"C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5940
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEAC.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3304
      • C:\Users\Admin\AppData\Roaming\cg2c3sz.exe
        "C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1216
  • C:\Users\Admin\AppData\Roaming\cg2c3sz.exe
    "C:\Users\Admin\AppData\Roaming\cg2c3sz.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5200

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpEAC.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpEAC.tmp.bat
        • Size 150B
        • SHA256 5f19d077172dfc16280706e54041be212b4b58220d7a07586df9dd8f4f407b41
        • MD5 SHA1 SHA512 TLSH

        cg2c3sz.exe

        • Path C:\Users\Admin\AppData\Roaming\cg2c3sz.exe
        • Size 45KB
        • SHA256 ccb10085453b00d352f61a36a9b248a666b1d098a87b42319c8e01987ab5e059
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2548-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

        memory/2548-1-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

        memory/2548-2-0x0000000074A80000-0x000000007523C000-memory.dmp

        memory/2548-3-0x00000000054B0000-0x000000000554C000-memory.dmp

        memory/2548-8-0x0000000074A80000-0x000000007523C000-memory.dmp

        memory/5200-12-0x00000000748B0000-0x000000007506C000-memory.dmp

        memory/5200-14-0x00000000748B0000-0x000000007506C000-memory.dmp