Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/05/2026, 13:21

General

  • Target
    d135f6b74f4b2e404103b0103623bf8f07812f82819f03ca3e963c64b434a845.exe
  • Size 45KB
  • Sample260531-ql2fxahs3z
  • SHA256 d135f6b74f4b2e404103b0103623bf8f07812f82819f03ca3e963c64b434a845
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimsexhayho.com:443

  • phimsexhayho.com:80

  • phimsexhayho.com:7797

  • phimsexhayho.com:8707

  • phimsexhayho.com:6620

  • www.phimsexhayho.com:443

  • www.phimsexhayho.com:80

  • www.phimsexhayho.com:7797

  • www.phimsexhayho.com:8707

  • www.phimsexhayho.com:6620

  • mirai.phimsexhayho.com:443

  • mirai.phimsexhayho.com:80

  • mirai.phimsexhayho.com:7797

  • mirai.phimsexhayho.com:8707

  • mirai.phimsexhayho.com:6620

  • socgholish.phimsexhayho.com:443

  • socgholish.phimsexhayho.com:80

  • socgholish.phimsexhayho.com:7797

  • socgholish.phimsexhayho.com:8707

  • socgholish.phimsexhayho.com:6620

Mutex
  • xmKBYICZD7r7

Attributes
  • delay

    0

  • install

    true

  • install_file

    zump.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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d135f6b74f4b2e404103b0103623bf8f07812f82819f03ca3e963c64b434a845.exe
    "C:\Users\Admin\AppData\Local\Temp\d135f6b74f4b2e404103b0103623bf8f07812f82819f03ca3e963c64b434a845.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zump" /tr '"C:\Users\Admin\AppData\Roaming\zump.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "zump" /tr '"C:\Users\Admin\AppData\Roaming\zump.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF5D9.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3444
      • C:\Users\Admin\AppData\Roaming\zump.exe
        "C:\Users\Admin\AppData\Roaming\zump.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2840
  • C:\Users\Admin\AppData\Roaming\zump.exe
    "C:\Users\Admin\AppData\Roaming\zump.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpF5D9.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF5D9.tmp.bat
        • Size 148B
        • SHA256 50241744d8df4f431aff91e0ecb354079f4639bf751d6f1519957197e08de523
        • MD5 SHA1 SHA512 TLSH

        zump.exe

        • Path C:\Users\Admin\AppData\Roaming\zump.exe
        • Size 45KB
        • SHA256 d135f6b74f4b2e404103b0103623bf8f07812f82819f03ca3e963c64b434a845
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4232-0-0x0000000000CE0000-0x0000000000CF2000-memory.dmp

        memory/4232-1-0x00000000057B0000-0x00000000057C0000-memory.dmp

        memory/4232-2-0x00000000057C0000-0x000000000585C000-memory.dmp