Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 03:14

General

  • Target
    55dab93d2060426721c943dc6b88e638722dc2da85078057f38969dd3fbe8480.exe
  • Size 45KB
  • Sample260712-drg81act8p
  • SHA256 55dab93d2060426721c943dc6b88e638722dc2da85078057f38969dd3fbe8480
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • asentv.tv:80

  • asentv.tv:22

  • asentv.tv:8080

  • asentv.tv:8880

  • asentv.tv:2052

  • asentv.tv:2082

  • asentv.tv:2086

  • asentv.tv:2095

  • asentv.tv:443

  • asentv.tv:2053

  • asentv.tv:2083

  • asentv.tv:2087

  • asentv.tv:2096

  • asentv.tv:8443

  • www.asentv.tv:80

  • www.asentv.tv:22

  • www.asentv.tv:8080

  • www.asentv.tv:8880

  • www.asentv.tv:2052

  • www.asentv.tv:2082

Mutex
  • 7G2yE84275Pr

Attributes
  • delay

    0

  • install

    true

  • install_file

    wk33.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\55dab93d2060426721c943dc6b88e638722dc2da85078057f38969dd3fbe8480.exe
    "C:\Users\Admin\AppData\Local\Temp\55dab93d2060426721c943dc6b88e638722dc2da85078057f38969dd3fbe8480.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wk33" /tr '"C:\Users\Admin\AppData\Roaming\wk33.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "wk33" /tr '"C:\Users\Admin\AppData\Roaming\wk33.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5860
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5385.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:704
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2528
      • C:\Users\Admin\AppData\Roaming\wk33.exe
        "C:\Users\Admin\AppData\Roaming\wk33.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4232
  • C:\Users\Admin\AppData\Roaming\wk33.exe
    "C:\Users\Admin\AppData\Roaming\wk33.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:688

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp5385.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5385.tmp.bat
        • Size 148B
        • SHA256 4f0bd5309310b970a2e2768e06b1feda9bb66f6c12572f6bf6e58a051f8dde0a
        • MD5 SHA1 SHA512 TLSH

        wk33.exe

        • Path C:\Users\Admin\AppData\Roaming\wk33.exe
        • Size 45KB
        • SHA256 55dab93d2060426721c943dc6b88e638722dc2da85078057f38969dd3fbe8480
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/688-12-0x0000000074190000-0x000000007494C000-memory.dmp

        memory/688-14-0x0000000074190000-0x000000007494C000-memory.dmp

        memory/4296-0-0x0000000074312000-0x0000000074313000-memory.dmp

        memory/4296-1-0x0000000000DC0000-0x0000000000DD2000-memory.dmp

        memory/4296-2-0x0000000074300000-0x0000000074ABC000-memory.dmp

        memory/4296-3-0x0000000005950000-0x00000000059EC000-memory.dmp

        memory/4296-8-0x0000000074300000-0x0000000074ABC000-memory.dmp