Overview

overview

10

Static

static

10

276bd344e7...35.exe

windows10-2004-x64

10

276bd344e7...35.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    60s
  • max time network
    53s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 19:08

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General

  • Target
    276bd344e72dff9508d495a573c83abf4f1ecfcc15271f5a6a66ca25076e9c35.exe
  • Size 45KB
  • Sample260701-xtjz6aex9x
  • SHA256 276bd344e72dff9508d495a573c83abf4f1ecfcc15271f5a6a66ca25076e9c35
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xemphimxxxhay.com:80

  • xemphimxxxhay.com:22

  • xemphimxxxhay.com:8080

  • xemphimxxxhay.com:8880

  • xemphimxxxhay.com:2052

  • xemphimxxxhay.com:2082

  • xemphimxxxhay.com:2086

  • xemphimxxxhay.com:2095

  • xemphimxxxhay.com:443

  • xemphimxxxhay.com:2053

  • xemphimxxxhay.com:2083

  • xemphimxxxhay.com:2087

  • xemphimxxxhay.com:2096

  • xemphimxxxhay.com:8443

  • www.xemphimxxxhay.com:80

  • www.xemphimxxxhay.com:22

  • www.xemphimxxxhay.com:8080

  • www.xemphimxxxhay.com:8880

  • www.xemphimxxxhay.com:2052

  • www.xemphimxxxhay.com:2082

Mutex

  • nFMSfjEFWR3z

Attributes
  • delay

    0

  • install

    true

  • install_file

    o79y.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\276bd344e72dff9508d495a573c83abf4f1ecfcc15271f5a6a66ca25076e9c35.exe
    "C:\Users\Admin\AppData\Local\Temp\276bd344e72dff9508d495a573c83abf4f1ecfcc15271f5a6a66ca25076e9c35.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "o79y" /tr '"C:\Users\Admin\AppData\Roaming\o79y.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "o79y" /tr '"C:\Users\Admin\AppData\Roaming\o79y.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:6088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA8ED.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1876
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:6672
      • C:\Users\Admin\AppData\Roaming\o79y.exe
        "C:\Users\Admin\AppData\Roaming\o79y.exe"
        3⤵
          PID:1200
    • C:\Users\Admin\AppData\Roaming\o79y.exe
      "C:\Users\Admin\AppData\Roaming\o79y.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3724

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpA8ED.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpA8ED.tmp.bat
          • Size 148B
          • SHA256 05f6de0963a3a363209d13481c9ba4cc1e0a4930812f052594c8e5a374ace71c
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          o79y.exe
          • Path C:\Users\Admin\AppData\Roaming\o79y.exe
          • Size 45KB
          • SHA256 276bd344e72dff9508d495a573c83abf4f1ecfcc15271f5a6a66ca25076e9c35
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1792-0-0x0000000074502000-0x0000000074503000-memory.dmp
          Download

          memory/1792-1-0x00000000004E0000-0x00000000004F2000-memory.dmp
          Download

          memory/1792-2-0x00000000744F0000-0x0000000074CAC000-memory.dmp
          Download

          memory/1792-3-0x0000000005080000-0x000000000511C000-memory.dmp
          Download

          memory/1792-8-0x00000000744F0000-0x0000000074CAC000-memory.dmp
          Download

          memory/3724-12-0x00000000743F0000-0x0000000074BAC000-memory.dmp
          Download

          memory/3724-14-0x00000000743F0000-0x0000000074BAC000-memory.dmp
          Download