Analysis

  • max time kernel
    58s
  • max time network
    60s
  • 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, 19:43

General

  • Target
    5b1ed81b8fb3089c473739c908ca088682df0e7440ce8fa4a9cd23e18303169c.exe
  • Size 45KB
  • Sample260701-yfn8dsfw2v
  • SHA256 7e7f05b423992ce9ec6a0b27977b6638f8fa0e4d4f09e3485ef8022a17fe7d08
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexviet3.com:5367

  • sexviet3.com:7707

  • sexviet3.com:4468

  • sexviet3.com:8832

  • sexviet3.com:2257

  • sexviet3.com:1729

  • sexviet3.com:9527

  • sexviet3.com:1344

  • sexviet3.com:8562

  • www.sexviet3.com:5367

  • www.sexviet3.com:7707

  • www.sexviet3.com:4468

  • www.sexviet3.com:8832

  • www.sexviet3.com:2257

  • www.sexviet3.com:1729

  • www.sexviet3.com:9527

  • www.sexviet3.com:1344

  • www.sexviet3.com:8562

  • darkside.sexviet3.com:5367

  • darkside.sexviet3.com:7707

Mutex
  • F1GILMYAEWaa

Attributes
  • delay

    0

  • install

    true

  • install_file

    gad2.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
  • System Location Discovery: System Language Discovery 1 TTPs 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b1ed81b8fb3089c473739c908ca088682df0e7440ce8fa4a9cd23e18303169c.exe
    "C:\Users\Admin\AppData\Local\Temp\5b1ed81b8fb3089c473739c908ca088682df0e7440ce8fa4a9cd23e18303169c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:872
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "gad2" /tr '"C:\Users\Admin\AppData\Roaming\gad2.exe"' & exit
      2⤵
        PID:5544
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "gad2" /tr '"C:\Users\Admin\AppData\Roaming\gad2.exe"'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5988
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFC5C.tmp.bat""
        2⤵
          PID:3836
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:2400
          • C:\Users\Admin\AppData\Roaming\gad2.exe
            "C:\Users\Admin\AppData\Roaming\gad2.exe"
            3⤵
              PID:5820
        • C:\Users\Admin\AppData\Roaming\gad2.exe
          "C:\Users\Admin\AppData\Roaming\gad2.exe"
          1⤵
            PID:2456

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                tmpFC5C.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmpFC5C.tmp.bat
                • Size 148B
                • SHA256 8b30872622f8a2f5e2318b8acd7f99741f6f82ec68bb6894be1a9ecd7c56a36a
                • MD5 SHA1 SHA512 TLSH

                gad2.exe

                • Path C:\Users\Admin\AppData\Roaming\gad2.exe
                • Size 45KB
                • SHA256 7e7f05b423992ce9ec6a0b27977b6638f8fa0e4d4f09e3485ef8022a17fe7d08
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/872-0-0x0000000074762000-0x0000000074763000-memory.dmp

                memory/872-1-0x0000000000160000-0x0000000000172000-memory.dmp

                memory/872-2-0x0000000074750000-0x0000000074F0C000-memory.dmp

                memory/872-3-0x0000000004B30000-0x0000000004BCC000-memory.dmp

                memory/872-8-0x0000000074750000-0x0000000074F0C000-memory.dmp

                memory/2456-12-0x00000000745E0000-0x0000000074D9C000-memory.dmp

                memory/2456-14-0x00000000745E0000-0x0000000074D9C000-memory.dmp