Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/09/2026, 21:56

General

  • Target
    81225ba3144bbb43a08015ac4a6e38ba.exe
  • Size 45KB
  • Sample260912-1ts5lsaf82
  • SHA256 7444bc81a91d057d47297ced59b71e216b5dd1b1c348d4587eeec9b589f962b2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Admin

C2
  • phimsexz.pro:80

  • phimsexz.pro:443

  • phimsexz.pro:7788

  • phimsexz.pro:7879

  • phimsexz.pro:3577

  • phimsexz.pro:8888

  • phimsexz.pro:3306

  • phimsexz.pro:21

  • phimsexz.pro:22

  • www.phimsexz.pro:80

  • www.phimsexz.pro:443

  • www.phimsexz.pro:7788

  • www.phimsexz.pro:7879

  • www.phimsexz.pro:3577

  • www.phimsexz.pro:8888

  • www.phimsexz.pro:3306

  • www.phimsexz.pro:21

  • www.phimsexz.pro:22

  • malware.phimsexz.pro:80

  • malware.phimsexz.pro:443

Mutex
  • hitOrjYMZEgK

Attributes
  • delay

    3

  • install

    true

  • install_file

    81225ba3144bbb43a08015ac4a6e38ba.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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\81225ba3144bbb43a08015ac4a6e38ba.exe
    "C:\Users\Admin\AppData\Local\Temp\81225ba3144bbb43a08015ac4a6e38ba.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "81225ba3144bbb43a08015ac4a6e38ba" /tr '"C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "81225ba3144bbb43a08015ac4a6e38ba" /tr '"C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3684
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2783.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3596
      • C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe
        "C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4800
  • C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe
    "C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe"
    1⤵
    • Executes dropped EXE
    • Outbound SSH connection to public host
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3712

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        81225ba3144bbb43a08015ac4a6e38ba.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\81225ba3144bbb43a08015ac4a6e38ba.exe.log
        • Size 522B
        • SHA256 2412679218bb0a7d05ceee32869bbb223619bde9966c4c460a68304a3367724b
        • MD5 SHA1 SHA512 TLSH

        tmp2783.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp2783.tmp.bat
        • Size 176B
        • SHA256 fc13973b731ad5e21ef03a7b64c7bdbff239639b05e6a25307b1040d45a81275
        • MD5 SHA1 SHA512 TLSH

        81225ba3144bbb43a08015ac4a6e38ba.exe

        • Path C:\Users\Admin\AppData\Roaming\81225ba3144bbb43a08015ac4a6e38ba.exe
        • Size 45KB
        • SHA256 7444bc81a91d057d47297ced59b71e216b5dd1b1c348d4587eeec9b589f962b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4868-0-0x00000000003A0000-0x00000000003B2000-memory.dmp

        memory/4868-1-0x0000000004CF0000-0x0000000004D00000-memory.dmp

        memory/4868-2-0x0000000004DA0000-0x0000000004E3C000-memory.dmp