Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 15:38

General

  • Target
    9e2d72219587fcf88bb43b72f25bf407e25523668d58c306ceb8f44e7bfba6ff.exe
  • Size 45KB
  • Sample260701-s3bb6abs9w
  • SHA256 9e2d72219587fcf88bb43b72f25bf407e25523668d58c306ceb8f44e7bfba6ff
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • madcityservers.com:80

  • madcityservers.com:22

  • madcityservers.com:8080

  • madcityservers.com:8880

  • madcityservers.com:2052

  • madcityservers.com:2082

  • madcityservers.com:2086

  • madcityservers.com:2095

  • madcityservers.com:443

  • madcityservers.com:2053

  • madcityservers.com:2083

  • madcityservers.com:2087

  • madcityservers.com:2096

  • madcityservers.com:8443

  • www.madcityservers.com:80

  • www.madcityservers.com:22

  • www.madcityservers.com:8080

  • www.madcityservers.com:8880

  • www.madcityservers.com:2052

  • www.madcityservers.com:2082

Mutex
  • Cd8O0gEU4zkZ

Attributes
  • delay

    0

  • install

    true

  • install_file

    xq73otw.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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e2d72219587fcf88bb43b72f25bf407e25523668d58c306ceb8f44e7bfba6ff.exe
    "C:\Users\Admin\AppData\Local\Temp\9e2d72219587fcf88bb43b72f25bf407e25523668d58c306ceb8f44e7bfba6ff.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "xq73otw" /tr '"C:\Users\Admin\AppData\Roaming\xq73otw.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "xq73otw" /tr '"C:\Users\Admin\AppData\Roaming\xq73otw.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4944
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6D27.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3384
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3456
      • C:\Users\Admin\AppData\Roaming\xq73otw.exe
        "C:\Users\Admin\AppData\Roaming\xq73otw.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1380
  • C:\Users\Admin\AppData\Roaming\xq73otw.exe
    "C:\Users\Admin\AppData\Roaming\xq73otw.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1716
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:4152
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:108
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:2152
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:4508

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                prep_Activatable Class_Hermes_perf.cache

                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 599B
                • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                • MD5 SHA1 SHA512 TLSH

                tmp6D27.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmp6D27.tmp.bat
                • Size 151B
                • SHA256 81c4d1693bc3606222c8a203ec0304b362e794574676217454f4ed2e631a3a32
                • MD5 SHA1 SHA512 TLSH

                xq73otw.exe

                • Path C:\Users\Admin\AppData\Roaming\xq73otw.exe
                • Size 45KB
                • SHA256 9e2d72219587fcf88bb43b72f25bf407e25523668d58c306ceb8f44e7bfba6ff
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/1704-0-0x0000000074582000-0x0000000074583000-memory.dmp

                memory/1704-1-0x0000000000500000-0x0000000000512000-memory.dmp

                memory/1704-2-0x0000000074570000-0x0000000074D2C000-memory.dmp

                memory/1704-3-0x0000000005070000-0x000000000510C000-memory.dmp

                memory/1704-8-0x0000000074570000-0x0000000074D2C000-memory.dmp

                memory/1716-14-0x0000000074510000-0x0000000074CCC000-memory.dmp

                memory/1716-12-0x0000000074510000-0x0000000074CCC000-memory.dmp

                memory/2152-66-0x0000029E03D80000-0x0000029E03DA0000-memory.dmp

                memory/2152-81-0x0000029E146D0000-0x0000029E146F0000-memory.dmp

                memory/2152-43-0x0000029E03A00000-0x0000029E03A20000-memory.dmp

                memory/2152-36-0x0000029E001E0000-0x0000029E002E0000-memory.dmp

                memory/2152-44-0x0000029E03E00000-0x0000029E03F00000-memory.dmp

                memory/2152-131-0x0000029E00020000-0x0000029E00120000-memory.dmp