Overview

overview

10

Static

static

10

d173feeff7...19.exe

windows10-2004-x64

10

d173feeff7...19.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    4s
  • max time network
    62s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 20:16

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General

  • Target
    d173feeff7d74a787842e222e4b2722bb526a4bc661d99275172f0204a478d19.exe
  • Size 45KB
  • Sample260721-y19d3a1thy
  • SHA256 d173feeff7d74a787842e222e4b2722bb526a4bc661d99275172f0204a478d19
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimvnxx.pro:80

  • phimvnxx.pro:22

  • phimvnxx.pro:8080

  • phimvnxx.pro:8880

  • phimvnxx.pro:2052

  • phimvnxx.pro:2082

  • phimvnxx.pro:2086

  • phimvnxx.pro:2095

  • phimvnxx.pro:443

  • phimvnxx.pro:2053

  • phimvnxx.pro:2083

  • phimvnxx.pro:2087

  • phimvnxx.pro:2096

  • phimvnxx.pro:8443

  • www.phimvnxx.pro:80

  • www.phimvnxx.pro:22

  • www.phimvnxx.pro:8080

  • www.phimvnxx.pro:8880

  • www.phimvnxx.pro:2052

  • www.phimvnxx.pro:2082

Mutex

  • XEeVHK5lCwdF

Attributes
  • delay

    0

  • install

    true

  • install_file

    jcs4.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Executes dropped EXE 1 IoCs
  • 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.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d173feeff7d74a787842e222e4b2722bb526a4bc661d99275172f0204a478d19.exe
    "C:\Users\Admin\AppData\Local\Temp\d173feeff7d74a787842e222e4b2722bb526a4bc661d99275172f0204a478d19.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jcs4" /tr '"C:\Users\Admin\AppData\Roaming\jcs4.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "jcs4" /tr '"C:\Users\Admin\AppData\Roaming\jcs4.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4364
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E64.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4156
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5524
      • C:\Users\Admin\AppData\Roaming\jcs4.exe
        "C:\Users\Admin\AppData\Roaming\jcs4.exe"
        3⤵
          PID:5076
    • C:\Users\Admin\AppData\Roaming\jcs4.exe
      "C:\Users\Admin\AppData\Roaming\jcs4.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4884

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp4E64.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp4E64.tmp.bat
          • Size 148B
          • SHA256 563ccbbd2e1d79f908372b811861fb0d53eee9e877928fff3334d3059093ac8f
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          jcs4.exe
          • Path C:\Users\Admin\AppData\Roaming\jcs4.exe
          • Size 45KB
          • SHA256 d173feeff7d74a787842e222e4b2722bb526a4bc661d99275172f0204a478d19
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/4584-0-0x0000000074F82000-0x0000000074F83000-memory.dmp
          Download

          memory/4584-1-0x00000000008C0000-0x00000000008D2000-memory.dmp
          Download

          memory/4584-2-0x0000000074F70000-0x000000007572C000-memory.dmp
          Download

          memory/4584-3-0x0000000005400000-0x000000000549C000-memory.dmp
          Download

          memory/4584-8-0x0000000074F70000-0x000000007572C000-memory.dmp
          Download

          memory/4884-12-0x0000000074E00000-0x00000000755BC000-memory.dmp
          Download

          memory/4884-14-0x0000000074E00000-0x00000000755BC000-memory.dmp
          Download