Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/07/2026, 11:12

General

  • Target
    cf1c596511ec9e539d9fb0e2cbc8c71aa42d06339a900b7dadfa0aa72e6ef1f5.exe
  • Size 45KB
  • Sample260710-nav4msbs2y
  • SHA256 cf1c596511ec9e539d9fb0e2cbc8c71aa42d06339a900b7dadfa0aa72e6ef1f5
  • 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
  • 8fG4V2SMt08H

Attributes
  • delay

    0

  • install

    true

  • install_file

    acg135.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 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf1c596511ec9e539d9fb0e2cbc8c71aa42d06339a900b7dadfa0aa72e6ef1f5.exe
    "C:\Users\Admin\AppData\Local\Temp\cf1c596511ec9e539d9fb0e2cbc8c71aa42d06339a900b7dadfa0aa72e6ef1f5.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "acg135" /tr '"C:\Users\Admin\AppData\Roaming\acg135.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "acg135" /tr '"C:\Users\Admin\AppData\Roaming\acg135.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2920
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA572.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3828
      • C:\Users\Admin\AppData\Roaming\acg135.exe
        "C:\Users\Admin\AppData\Roaming\acg135.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1236
  • C:\Users\Admin\AppData\Roaming\acg135.exe
    "C:\Users\Admin\AppData\Roaming\acg135.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2672

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpA572.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpA572.tmp.bat
        • Size 150B
        • SHA256 e3d10951cc57146fb7bb87424dcae71c186c59fd8de44612bc9ad80c5b2cd41f
        • MD5 SHA1 SHA512 TLSH

        acg135.exe

        • Path C:\Users\Admin\AppData\Roaming\acg135.exe
        • Size 45KB
        • SHA256 cf1c596511ec9e539d9fb0e2cbc8c71aa42d06339a900b7dadfa0aa72e6ef1f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1544-0-0x0000000000260000-0x0000000000272000-memory.dmp

        memory/1544-1-0x0000000004B80000-0x0000000004B90000-memory.dmp

        memory/1544-2-0x0000000004B90000-0x0000000004C2C000-memory.dmp

        memory/2672-10-0x00000000055C0000-0x00000000055D0000-memory.dmp

        memory/2672-13-0x00000000055C0000-0x00000000055D0000-memory.dmp