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, 20:45

General

  • Target
    cad47877f2f21357871e55a038eff25e27da5ea185a312e1818e66e9ce3215f2.exe
  • Size 45KB
  • Sample260702-zjs67aew4x
  • SHA256 cad47877f2f21357871e55a038eff25e27da5ea185a312e1818e66e9ce3215f2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • confiancebarberstudio.com:80

  • confiancebarberstudio.com:22

  • confiancebarberstudio.com:8080

  • confiancebarberstudio.com:8880

  • confiancebarberstudio.com:2052

  • confiancebarberstudio.com:2082

  • confiancebarberstudio.com:2086

  • confiancebarberstudio.com:2095

  • confiancebarberstudio.com:443

  • confiancebarberstudio.com:2053

  • confiancebarberstudio.com:2083

  • confiancebarberstudio.com:2087

  • confiancebarberstudio.com:2096

  • confiancebarberstudio.com:8443

  • www.confiancebarberstudio.com:80

  • www.confiancebarberstudio.com:22

  • www.confiancebarberstudio.com:8080

  • www.confiancebarberstudio.com:8880

  • www.confiancebarberstudio.com:2052

  • www.confiancebarberstudio.com:2082

Mutex
  • w8Bpgyt1Rhwb

Attributes
  • delay

    0

  • install

    true

  • install_file

    tbt780a.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\cad47877f2f21357871e55a038eff25e27da5ea185a312e1818e66e9ce3215f2.exe
    "C:\Users\Admin\AppData\Local\Temp\cad47877f2f21357871e55a038eff25e27da5ea185a312e1818e66e9ce3215f2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "tbt780a" /tr '"C:\Users\Admin\AppData\Roaming\tbt780a.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:724
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "tbt780a" /tr '"C:\Users\Admin\AppData\Roaming\tbt780a.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1780
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3B59.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1576
      • C:\Users\Admin\AppData\Roaming\tbt780a.exe
        "C:\Users\Admin\AppData\Roaming\tbt780a.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3392
  • C:\Users\Admin\AppData\Roaming\tbt780a.exe
    "C:\Users\Admin\AppData\Roaming\tbt780a.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3412
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:4980
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:2688
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:1144
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:5816

          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 599B
                • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                • MD5 SHA1 SHA512 TLSH

                tmp3B59.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmp3B59.tmp.bat
                • Size 151B
                • SHA256 2f889fc2d334796d6da58a8b0ee4de9b66ed98422f176bb15c99f9404f498230
                • MD5 SHA1 SHA512 TLSH

                tbt780a.exe

                • Path C:\Users\Admin\AppData\Roaming\tbt780a.exe
                • Size 45KB
                • SHA256 cad47877f2f21357871e55a038eff25e27da5ea185a312e1818e66e9ce3215f2
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/1144-18-0x00000291001E0000-0x00000291002E0000-memory.dmp

                memory/1144-31-0x0000029103A50000-0x0000029103A70000-memory.dmp

                memory/1144-17-0x00000291001E0000-0x00000291002E0000-memory.dmp

                memory/1144-32-0x0000029113E90000-0x0000029113F90000-memory.dmp

                memory/1144-43-0x0000029103C90000-0x0000029103CB0000-memory.dmp

                memory/1144-62-0x00000291146A0000-0x00000291146C0000-memory.dmp

                memory/1880-8-0x0000000075020000-0x00000000757DC000-memory.dmp

                memory/1880-0-0x0000000075032000-0x0000000075033000-memory.dmp

                memory/1880-3-0x0000000004E40000-0x0000000004EDC000-memory.dmp

                memory/1880-2-0x0000000075020000-0x00000000757DC000-memory.dmp

                memory/1880-1-0x00000000002B0000-0x00000000002C2000-memory.dmp

                memory/3412-14-0x0000000074EB0000-0x000000007566C000-memory.dmp

                memory/3412-12-0x0000000074EB0000-0x000000007566C000-memory.dmp

                memory/5816-203-0x000001AF50510000-0x000001AF5060F000-memory.dmp