Overview

overview

10

Static

static

10

757d474c1b...38.exe

windows10-2004-x64

10

757d474c1b...38.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 09:17

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General

  • Target
    757d474c1b7692a13ca94cb069cf27494b77be1ffdacbde0625cc0ec13df7b38.exe
  • Size 45KB
  • Sample260710-k89sxahy21
  • SHA256 757d474c1b7692a13ca94cb069cf27494b77be1ffdacbde0625cc0ec13df7b38
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • getinspiredbycathy.com:80

  • getinspiredbycathy.com:22

  • getinspiredbycathy.com:8080

  • getinspiredbycathy.com:8880

  • getinspiredbycathy.com:2052

  • getinspiredbycathy.com:2082

  • getinspiredbycathy.com:2086

  • getinspiredbycathy.com:2095

  • getinspiredbycathy.com:443

  • getinspiredbycathy.com:2053

  • getinspiredbycathy.com:2083

  • getinspiredbycathy.com:2087

  • getinspiredbycathy.com:2096

  • getinspiredbycathy.com:8443

  • www.getinspiredbycathy.com:80

  • www.getinspiredbycathy.com:22

  • www.getinspiredbycathy.com:8080

  • www.getinspiredbycathy.com:8880

  • www.getinspiredbycathy.com:2052

  • www.getinspiredbycathy.com:2082

Mutex

  • YgGmh3SYSraf

Attributes
  • delay

    0

  • install

    true

  • install_file

    87d939.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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\757d474c1b7692a13ca94cb069cf27494b77be1ffdacbde0625cc0ec13df7b38.exe
    "C:\Users\Admin\AppData\Local\Temp\757d474c1b7692a13ca94cb069cf27494b77be1ffdacbde0625cc0ec13df7b38.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "87d939" /tr '"C:\Users\Admin\AppData\Roaming\87d939.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3124
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "87d939" /tr '"C:\Users\Admin\AppData\Roaming\87d939.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:624
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE3A0.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4540
      • C:\Users\Admin\AppData\Roaming\87d939.exe
        "C:\Users\Admin\AppData\Roaming\87d939.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5552
  • C:\Users\Admin\AppData\Roaming\87d939.exe
    "C:\Users\Admin\AppData\Roaming\87d939.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4352
  • C:\Windows\System32\Upfc.exe
    C:\Windows\System32\Upfc.exe /launchtype periodic /cv nbLQ/zA7kkCtZMrw/nnfug.0
    1⤵
      PID:2388

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpE3A0.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpE3A0.tmp.bat
          • Size 150B
          • SHA256 a6da9267d37b67e9f9bd8d17971c3a76d52cf2645b5c5cfed88407389f881083
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          87d939.exe
          • Path C:\Users\Admin\AppData\Roaming\87d939.exe
          • Size 45KB
          • SHA256 757d474c1b7692a13ca94cb069cf27494b77be1ffdacbde0625cc0ec13df7b38
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3976-0-0x0000000075052000-0x0000000075053000-memory.dmp
          Download

          memory/3976-1-0x0000000000210000-0x0000000000222000-memory.dmp
          Download

          memory/3976-2-0x0000000075040000-0x00000000757FC000-memory.dmp
          Download

          memory/3976-3-0x0000000004D60000-0x0000000004DFC000-memory.dmp
          Download

          memory/3976-8-0x0000000075040000-0x00000000757FC000-memory.dmp
          Download

          memory/4352-12-0x0000000074ED0000-0x000000007568C000-memory.dmp
          Download

          memory/4352-14-0x0000000074ED0000-0x000000007568C000-memory.dmp
          Download