Overview

overview

10

Static

static

10

76f9711248...6f.exe

windows10-2004-x64

10

76f9711248...6f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 14:26

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General

  • Target
    76f97112487773fa7f270bb976a265285098e9096cad9ff92707018f72d8996f.exe
  • Size 45KB
  • Sample260715-rsagfaew2k
  • SHA256 76f97112487773fa7f270bb976a265285098e9096cad9ff92707018f72d8996f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • fimsexnhatban.com:80

  • fimsexnhatban.com:22

  • fimsexnhatban.com:8080

  • fimsexnhatban.com:8880

  • fimsexnhatban.com:2052

  • fimsexnhatban.com:2082

  • fimsexnhatban.com:2086

  • fimsexnhatban.com:2095

  • fimsexnhatban.com:443

  • fimsexnhatban.com:2053

  • fimsexnhatban.com:2083

  • fimsexnhatban.com:2087

  • fimsexnhatban.com:2096

  • fimsexnhatban.com:8443

  • www.fimsexnhatban.com:80

  • www.fimsexnhatban.com:22

  • www.fimsexnhatban.com:8080

  • www.fimsexnhatban.com:8880

  • www.fimsexnhatban.com:2052

  • www.fimsexnhatban.com:2082

Mutex

  • eAx8RrECKeO2

Attributes
  • delay

    0

  • install

    true

  • install_file

    903vq6.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 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.

    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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76f97112487773fa7f270bb976a265285098e9096cad9ff92707018f72d8996f.exe
    "C:\Users\Admin\AppData\Local\Temp\76f97112487773fa7f270bb976a265285098e9096cad9ff92707018f72d8996f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "903vq6" /tr '"C:\Users\Admin\AppData\Roaming\903vq6.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "903vq6" /tr '"C:\Users\Admin\AppData\Roaming\903vq6.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4172
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB452.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4576
      • C:\Users\Admin\AppData\Roaming\903vq6.exe
        "C:\Users\Admin\AppData\Roaming\903vq6.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3300
  • C:\Users\Admin\AppData\Roaming\903vq6.exe
    "C:\Users\Admin\AppData\Roaming\903vq6.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4580
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2464

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpB452.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpB452.tmp.bat
          • Size 150B
          • SHA256 b37abb0a5dab57334c697c77135a48d287aa0910a0f6e5cc7ee92b809093ee6b
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          903vq6.exe
          • Path C:\Users\Admin\AppData\Roaming\903vq6.exe
          • Size 45KB
          • SHA256 76f97112487773fa7f270bb976a265285098e9096cad9ff92707018f72d8996f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3016-0-0x0000000074A42000-0x0000000074A43000-memory.dmp
          Download

          memory/3016-1-0x0000000000AA0000-0x0000000000AB2000-memory.dmp
          Download

          memory/3016-2-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download

          memory/3016-3-0x00000000055A0000-0x000000000563C000-memory.dmp
          Download

          memory/3016-8-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download

          memory/4580-12-0x00000000748C0000-0x000000007507C000-memory.dmp
          Download

          memory/4580-14-0x00000000748C0000-0x000000007507C000-memory.dmp
          Download