Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 15:01

General

  • Target
    a43507844187ffab88a141cc56b75ee7606935ef4d2a0ed7479faa9a06ffef16.exe
  • Size 45KB
  • Sample260703-sdvdqsgv8k
  • SHA256 a43507844187ffab88a141cc56b75ee7606935ef4d2a0ed7479faa9a06ffef16
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • mishmashdesserts.com:80

  • mishmashdesserts.com:22

  • mishmashdesserts.com:8080

  • mishmashdesserts.com:8880

  • mishmashdesserts.com:2052

  • mishmashdesserts.com:2082

  • mishmashdesserts.com:2086

  • mishmashdesserts.com:2095

  • mishmashdesserts.com:443

  • mishmashdesserts.com:2053

  • mishmashdesserts.com:2083

  • mishmashdesserts.com:2087

  • mishmashdesserts.com:2096

  • mishmashdesserts.com:8443

  • www.mishmashdesserts.com:80

  • www.mishmashdesserts.com:22

  • www.mishmashdesserts.com:8080

  • www.mishmashdesserts.com:8880

  • www.mishmashdesserts.com:2052

  • www.mishmashdesserts.com:2082

Mutex
  • ZfgReTlHS9VU

Attributes
  • delay

    0

  • install

    true

  • install_file

    ir3zt3.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\a43507844187ffab88a141cc56b75ee7606935ef4d2a0ed7479faa9a06ffef16.exe
    "C:\Users\Admin\AppData\Local\Temp\a43507844187ffab88a141cc56b75ee7606935ef4d2a0ed7479faa9a06ffef16.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ir3zt3" /tr '"C:\Users\Admin\AppData\Roaming\ir3zt3.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ir3zt3" /tr '"C:\Users\Admin\AppData\Roaming\ir3zt3.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:764
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1DBF.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4492
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5280
      • C:\Users\Admin\AppData\Roaming\ir3zt3.exe
        "C:\Users\Admin\AppData\Roaming\ir3zt3.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5968
  • C:\Users\Admin\AppData\Roaming\ir3zt3.exe
    "C:\Users\Admin\AppData\Roaming\ir3zt3.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3116
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:304
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:2132
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:1364
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:2056

          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 595B
                • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                • MD5 SHA1 SHA512 TLSH

                tmp1DBF.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmp1DBF.tmp.bat
                • Size 150B
                • SHA256 9b0d9b75a263883d0f5014ad7592263dca0b2cb404a41607d7526ce8e2daec0d
                • MD5 SHA1 SHA512 TLSH

                ir3zt3.exe

                • Path C:\Users\Admin\AppData\Roaming\ir3zt3.exe
                • Size 45KB
                • SHA256 a43507844187ffab88a141cc56b75ee7606935ef4d2a0ed7479faa9a06ffef16
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/1364-51-0x0000019E81930000-0x0000019E81950000-memory.dmp

                memory/1364-53-0x0000019E81D50000-0x0000019E81E50000-memory.dmp

                memory/1364-81-0x0000019E94180000-0x0000019E941A0000-memory.dmp

                memory/1364-33-0x0000019E801E0000-0x0000019E802E0000-memory.dmp

                memory/1364-62-0x0000019E81B90000-0x0000019E81BB0000-memory.dmp

                memory/2132-204-0x000000000E150000-0x000000000E9CB000-memory.dmp

                memory/2792-8-0x0000000074490000-0x0000000074C4C000-memory.dmp

                memory/2792-0-0x00000000744A2000-0x00000000744A3000-memory.dmp

                memory/2792-3-0x0000000005390000-0x000000000542C000-memory.dmp

                memory/2792-2-0x0000000074490000-0x0000000074C4C000-memory.dmp

                memory/2792-1-0x00000000008A0000-0x00000000008B2000-memory.dmp

                memory/3116-14-0x0000000074320000-0x0000000074ADC000-memory.dmp

                memory/3116-12-0x0000000074320000-0x0000000074ADC000-memory.dmp