Overview

overview

10

Static

static

10

f5086067a3...a5.exe

windows10-2004-x64

10

f5086067a3...a5.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 16:33

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    f5086067a35d53b85d5a8588e8d2fbcc9ddb807ae51ed380c3cfca56422c21a5.exe
  • Size 45KB
  • Sample260707-t2tyjsaw2m
  • SHA256 f5086067a35d53b85d5a8588e8d2fbcc9ddb807ae51ed380c3cfca56422c21a5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • vlxxzz.net:80

  • vlxxzz.net:22

  • vlxxzz.net:8080

  • vlxxzz.net:8880

  • vlxxzz.net:2052

  • vlxxzz.net:2082

  • vlxxzz.net:2086

  • vlxxzz.net:2095

  • vlxxzz.net:443

  • vlxxzz.net:2053

  • vlxxzz.net:2083

  • vlxxzz.net:2087

  • vlxxzz.net:2096

  • vlxxzz.net:8443

  • www.vlxxzz.net:80

  • www.vlxxzz.net:22

  • www.vlxxzz.net:8080

  • www.vlxxzz.net:8880

  • www.vlxxzz.net:2052

  • www.vlxxzz.net:2082

Mutex

  • KeURXHUe112C

Attributes
  • delay

    0

  • install

    true

  • install_file

    jymr.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).

  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5086067a35d53b85d5a8588e8d2fbcc9ddb807ae51ed380c3cfca56422c21a5.exe
    "C:\Users\Admin\AppData\Local\Temp\f5086067a35d53b85d5a8588e8d2fbcc9ddb807ae51ed380c3cfca56422c21a5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jymr" /tr '"C:\Users\Admin\AppData\Roaming\jymr.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3896
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "jymr" /tr '"C:\Users\Admin\AppData\Roaming\jymr.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4348
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp263B.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3080
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1148
      • C:\Users\Admin\AppData\Roaming\jymr.exe
        "C:\Users\Admin\AppData\Roaming\jymr.exe"
        3⤵
          PID:5840
    • C:\Users\Admin\AppData\Roaming\jymr.exe
      "C:\Users\Admin\AppData\Roaming\jymr.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1576

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp263B.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp263B.tmp.bat
          • Size 148B
          • SHA256 0bd989480fb9d40ce80cd65d99e8ea791550518ca8fb2400f99a51aadd2dc523
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          jymr.exe
          • Path C:\Users\Admin\AppData\Roaming\jymr.exe
          • Size 45KB
          • SHA256 f5086067a35d53b85d5a8588e8d2fbcc9ddb807ae51ed380c3cfca56422c21a5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1576-12-0x0000000074212000-0x0000000074213000-memory.dmp
          Download

          memory/2420-0-0x00000000749F2000-0x00000000749F3000-memory.dmp
          Download

          memory/2420-1-0x0000000000CC0000-0x0000000000CD2000-memory.dmp
          Download

          memory/2420-2-0x00000000749E0000-0x000000007519C000-memory.dmp
          Download

          memory/2420-3-0x0000000005850000-0x00000000058EC000-memory.dmp
          Download

          memory/2420-8-0x00000000749E0000-0x000000007519C000-memory.dmp
          Download