Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 12:16

General

  • Target
    b0b8ce55cdc85de5ac713c1bacc733de647f4469fea234706395ce31ee5f5961.exe
  • Size 45KB
  • Sample260710-pfw4kacy2x
  • SHA256 b0b8ce55cdc85de5ac713c1bacc733de647f4469fea234706395ce31ee5f5961
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimsexz.org:80

  • phimsexz.org:22

  • phimsexz.org:8080

  • phimsexz.org:8880

  • phimsexz.org:2052

  • phimsexz.org:2082

  • phimsexz.org:2086

  • phimsexz.org:2095

  • phimsexz.org:443

  • phimsexz.org:2053

  • phimsexz.org:2083

  • phimsexz.org:2087

  • phimsexz.org:2096

  • phimsexz.org:8443

  • www.phimsexz.org:80

  • www.phimsexz.org:22

  • www.phimsexz.org:8080

  • www.phimsexz.org:8880

  • www.phimsexz.org:2052

  • www.phimsexz.org:2082

Mutex
  • CgQ6jIkasQ19

Attributes
  • delay

    0

  • install

    true

  • install_file

    y1g8vx.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\b0b8ce55cdc85de5ac713c1bacc733de647f4469fea234706395ce31ee5f5961.exe
    "C:\Users\Admin\AppData\Local\Temp\b0b8ce55cdc85de5ac713c1bacc733de647f4469fea234706395ce31ee5f5961.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "y1g8vx" /tr '"C:\Users\Admin\AppData\Roaming\y1g8vx.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5732
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "y1g8vx" /tr '"C:\Users\Admin\AppData\Roaming\y1g8vx.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3084
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2188.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5060
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2236
      • C:\Users\Admin\AppData\Roaming\y1g8vx.exe
        "C:\Users\Admin\AppData\Roaming\y1g8vx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2908
  • C:\Users\Admin\AppData\Roaming\y1g8vx.exe
    "C:\Users\Admin\AppData\Roaming\y1g8vx.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp2188.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp2188.tmp.bat
        • Size 150B
        • SHA256 1283f6138657320b5d4b1e287fab8bdcd8ee7e9620f9b8b87d5f4165a260cd4a
        • MD5 SHA1 SHA512 TLSH

        y1g8vx.exe

        • Path C:\Users\Admin\AppData\Roaming\y1g8vx.exe
        • Size 45KB
        • SHA256 b0b8ce55cdc85de5ac713c1bacc733de647f4469fea234706395ce31ee5f5961
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4592-0-0x0000000074E82000-0x0000000074E83000-memory.dmp

        memory/4592-1-0x0000000000950000-0x0000000000962000-memory.dmp

        memory/4592-2-0x0000000074E70000-0x000000007562C000-memory.dmp

        memory/4592-3-0x0000000005540000-0x00000000055DC000-memory.dmp

        memory/4592-8-0x0000000074E70000-0x000000007562C000-memory.dmp

        memory/4632-12-0x0000000074D00000-0x00000000754BC000-memory.dmp

        memory/4632-14-0x0000000074D00000-0x00000000754BC000-memory.dmp