Analysis

  • max time kernel
    3s
  • max time network
    58s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260630-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 20:34

General

  • Target
    b3ab4f71887fad7f1d405c5ebd952128719383cd8f5d7293f21c8071676e9bc3.exe
  • Size 45KB
  • Sample260701-zcrd1set6j
  • SHA256 b3ab4f71887fad7f1d405c5ebd952128719383cd8f5d7293f21c8071676e9bc3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xxxtop.net:80

  • xxxtop.net:22

  • xxxtop.net:8080

  • xxxtop.net:8880

  • xxxtop.net:2052

  • xxxtop.net:2082

  • xxxtop.net:2086

  • xxxtop.net:2095

  • xxxtop.net:443

  • xxxtop.net:2053

  • xxxtop.net:2083

  • xxxtop.net:2087

  • xxxtop.net:2096

  • xxxtop.net:8443

  • www.xxxtop.net:80

  • www.xxxtop.net:22

  • www.xxxtop.net:8080

  • www.xxxtop.net:8880

  • www.xxxtop.net:2052

  • www.xxxtop.net:2082

Mutex
  • oAyA26VBFb3L

Attributes
  • delay

    0

  • install

    true

  • install_file

    cg3slg9.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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3ab4f71887fad7f1d405c5ebd952128719383cd8f5d7293f21c8071676e9bc3.exe
    "C:\Users\Admin\AppData\Local\Temp\b3ab4f71887fad7f1d405c5ebd952128719383cd8f5d7293f21c8071676e9bc3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cg3slg9" /tr '"C:\Users\Admin\AppData\Roaming\cg3slg9.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "cg3slg9" /tr '"C:\Users\Admin\AppData\Roaming\cg3slg9.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4168
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5654.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:960
      • C:\Users\Admin\AppData\Roaming\cg3slg9.exe
        "C:\Users\Admin\AppData\Roaming\cg3slg9.exe"
        3⤵
          PID:1524
    • C:\Users\Admin\AppData\Roaming\cg3slg9.exe
      "C:\Users\Admin\AppData\Roaming\cg3slg9.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4288

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp5654.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp5654.tmp.bat
          • Size 151B
          • SHA256 9baa8011738067e9a10b2c93987530d07613e511f6fbe4d9f5b984aed48f99b0
          • MD5 SHA1 SHA512 TLSH

          cg3slg9.exe

          • Path C:\Users\Admin\AppData\Roaming\cg3slg9.exe
          • Size 45KB
          • SHA256 b3ab4f71887fad7f1d405c5ebd952128719383cd8f5d7293f21c8071676e9bc3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4288-12-0x00000000746B0000-0x0000000074E6C000-memory.dmp

          memory/4288-14-0x00000000746B0000-0x0000000074E6C000-memory.dmp

          memory/5788-0-0x0000000074832000-0x0000000074833000-memory.dmp

          memory/5788-1-0x00000000000E0000-0x00000000000F2000-memory.dmp

          memory/5788-2-0x0000000074820000-0x0000000074FDC000-memory.dmp

          memory/5788-3-0x0000000004C70000-0x0000000004D0C000-memory.dmp

          memory/5788-8-0x0000000074820000-0x0000000074FDC000-memory.dmp