Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 08:46

General

  • Target
    5867ba2a4c88be4d75faf657f1bc926bd99d3a4d149b46898933c8ef7a3cd8c9.exe
  • Size 45KB
  • Sample260702-kpllzaey51
  • SHA256 5867ba2a4c88be4d75faf657f1bc926bd99d3a4d149b46898933c8ef7a3cd8c9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • istanbulozelegitim.net:80

  • istanbulozelegitim.net:22

  • istanbulozelegitim.net:8080

  • istanbulozelegitim.net:8880

  • istanbulozelegitim.net:2052

  • istanbulozelegitim.net:2082

  • istanbulozelegitim.net:2086

  • istanbulozelegitim.net:2095

  • istanbulozelegitim.net:443

  • istanbulozelegitim.net:2053

  • istanbulozelegitim.net:2083

  • istanbulozelegitim.net:2087

  • istanbulozelegitim.net:2096

  • istanbulozelegitim.net:8443

  • www.istanbulozelegitim.net:80

  • www.istanbulozelegitim.net:22

  • www.istanbulozelegitim.net:8080

  • www.istanbulozelegitim.net:8880

  • www.istanbulozelegitim.net:2052

  • www.istanbulozelegitim.net:2082

Mutex
  • wCQ26oRyOSpI

Attributes
  • delay

    0

  • install

    true

  • install_file

    85cezq.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\5867ba2a4c88be4d75faf657f1bc926bd99d3a4d149b46898933c8ef7a3cd8c9.exe
    "C:\Users\Admin\AppData\Local\Temp\5867ba2a4c88be4d75faf657f1bc926bd99d3a4d149b46898933c8ef7a3cd8c9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "85cezq" /tr '"C:\Users\Admin\AppData\Roaming\85cezq.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "85cezq" /tr '"C:\Users\Admin\AppData\Roaming\85cezq.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3124
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpACB7.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5692
      • C:\Users\Admin\AppData\Roaming\85cezq.exe
        "C:\Users\Admin\AppData\Roaming\85cezq.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4440
  • C:\Users\Admin\AppData\Roaming\85cezq.exe
    "C:\Users\Admin\AppData\Roaming\85cezq.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4124
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:616
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:592
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
          PID:2328
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
          1⤵
            PID:2776

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                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 607B
                • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
                • MD5 SHA1 SHA512 TLSH

                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

                tmpACB7.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmpACB7.tmp.bat
                • Size 150B
                • SHA256 a1800247118274d3a86fd4c2a27f5563af05212eab169331baf3881d2c4f3d1c
                • MD5 SHA1 SHA512 TLSH

                85cezq.exe

                • Path C:\Users\Admin\AppData\Roaming\85cezq.exe
                • Size 45KB
                • SHA256 5867ba2a4c88be4d75faf657f1bc926bd99d3a4d149b46898933c8ef7a3cd8c9
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2328-183-0x0000023E000F0000-0x0000023E003AC000-memory.dmp

                memory/2776-43-0x0000027083A30000-0x0000027083A50000-memory.dmp

                memory/2776-44-0x0000027093E90000-0x0000027093F90000-memory.dmp

                memory/2776-59-0x0000027094250000-0x0000027094270000-memory.dmp

                memory/2776-48-0x0000027083C90000-0x0000027083CB0000-memory.dmp

                memory/2776-35-0x00000270801E0000-0x00000270802E0000-memory.dmp

                memory/4124-14-0x0000000074B20000-0x00000000752DC000-memory.dmp

                memory/4124-12-0x0000000074B20000-0x00000000752DC000-memory.dmp

                memory/4752-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

                memory/4752-8-0x0000000074C90000-0x000000007544C000-memory.dmp

                memory/4752-3-0x0000000005150000-0x00000000051EC000-memory.dmp

                memory/4752-2-0x0000000074C90000-0x000000007544C000-memory.dmp

                memory/4752-1-0x00000000006E0000-0x00000000006F2000-memory.dmp