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
    05/09/2026, 00:44

General

  • Target
    2c965acbfafb0b419d152de615801c6588f123cc0b606ef60edcbd5f1b58d37c.exe
  • Size 45KB
  • Sample260905-a3smbstdlg
  • SHA256 2c965acbfafb0b419d152de615801c6588f123cc0b606ef60edcbd5f1b58d37c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • top-sexviet.blog:80

  • top-sexviet.blog:22

  • top-sexviet.blog:8080

  • top-sexviet.blog:8880

  • top-sexviet.blog:2052

  • top-sexviet.blog:2082

  • top-sexviet.blog:2086

  • top-sexviet.blog:2095

  • top-sexviet.blog:443

  • top-sexviet.blog:2053

  • top-sexviet.blog:2083

  • top-sexviet.blog:2087

  • top-sexviet.blog:2096

  • top-sexviet.blog:8443

  • www.top-sexviet.blog:80

  • www.top-sexviet.blog:22

  • www.top-sexviet.blog:8080

  • www.top-sexviet.blog:8880

  • www.top-sexviet.blog:2052

  • www.top-sexviet.blog:2082

Mutex
  • UpTxHWt8Lph1

Attributes
  • delay

    0

  • install

    true

  • install_file

    6ge8nir.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 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c965acbfafb0b419d152de615801c6588f123cc0b606ef60edcbd5f1b58d37c.exe
    "C:\Users\Admin\AppData\Local\Temp\2c965acbfafb0b419d152de615801c6588f123cc0b606ef60edcbd5f1b58d37c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6ge8nir" /tr '"C:\Users\Admin\AppData\Roaming\6ge8nir.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "6ge8nir" /tr '"C:\Users\Admin\AppData\Roaming\6ge8nir.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3908
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8289.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3516
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4936
      • C:\Users\Admin\AppData\Roaming\6ge8nir.exe
        "C:\Users\Admin\AppData\Roaming\6ge8nir.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:452
  • C:\Users\Admin\AppData\Roaming\6ge8nir.exe
    "C:\Users\Admin\AppData\Roaming\6ge8nir.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp8289.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp8289.tmp.bat
        • Size 151B
        • SHA256 161e0947c99448be547e7d3dae690aa349e5c5b896b674049e51b24e5120720d
        • MD5 SHA1 SHA512 TLSH

        6ge8nir.exe

        • Path C:\Users\Admin\AppData\Roaming\6ge8nir.exe
        • Size 45KB
        • SHA256 2c965acbfafb0b419d152de615801c6588f123cc0b606ef60edcbd5f1b58d37c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2976-10-0x0000000005270000-0x0000000005280000-memory.dmp

        memory/2976-13-0x0000000005270000-0x0000000005280000-memory.dmp

        memory/4888-0-0x00000000001E0000-0x00000000001F2000-memory.dmp

        memory/4888-1-0x0000000004B70000-0x0000000004B80000-memory.dmp

        memory/4888-2-0x0000000004C20000-0x0000000004CBC000-memory.dmp