Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 12:45

General

  • Target
    1153ec323bea5aac76ea343050136f0fd4ca1b79667876bedc0de1bd0252bc38.exe
  • Size 45KB
  • Sample260601-py2rrscv8y
  • SHA256 1153ec323bea5aac76ea343050136f0fd4ca1b79667876bedc0de1bd0252bc38
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimsex247.net:443

  • phimsex247.net:80

  • www.phimsex247.net:443

  • www.phimsex247.net:80

  • triton.phimsex247.net:443

  • triton.phimsex247.net:80

  • gozi.phimsex247.net:443

  • gozi.phimsex247.net:80

  • sodinokibi.phimsex247.net:443

  • sodinokibi.phimsex247.net:80

Mutex
  • K8VkCFFaAeDL

Attributes
  • delay

    0

  • install

    true

  • install_file

    ecm04oj.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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1153ec323bea5aac76ea343050136f0fd4ca1b79667876bedc0de1bd0252bc38.exe
    "C:\Users\Admin\AppData\Local\Temp\1153ec323bea5aac76ea343050136f0fd4ca1b79667876bedc0de1bd0252bc38.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ecm04oj" /tr '"C:\Users\Admin\AppData\Roaming\ecm04oj.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ecm04oj" /tr '"C:\Users\Admin\AppData\Roaming\ecm04oj.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4892
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp318.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4872
      • C:\Users\Admin\AppData\Roaming\ecm04oj.exe
        "C:\Users\Admin\AppData\Roaming\ecm04oj.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5672
  • C:\Users\Admin\AppData\Roaming\ecm04oj.exe
    "C:\Users\Admin\AppData\Roaming\ecm04oj.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2056

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp318.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp318.tmp.bat
        • Size 150B
        • SHA256 9348c1878f9d17b56db87b0d9f59db8fa081800dc12cab210aa83812bd851be5
        • MD5 SHA1 SHA512 TLSH

        ecm04oj.exe

        • Path C:\Users\Admin\AppData\Roaming\ecm04oj.exe
        • Size 45KB
        • SHA256 1153ec323bea5aac76ea343050136f0fd4ca1b79667876bedc0de1bd0252bc38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/904-0-0x0000000000040000-0x0000000000052000-memory.dmp

        memory/904-1-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

        memory/904-2-0x0000000004AC0000-0x0000000004B5C000-memory.dmp