Overview

overview

10

Static

static

10

caf9f403c7...92.exe

windows10-2004-x64

10

caf9f403c7...92.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 03:33

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General

  • Target
    caf9f403c7ef810fefc0e853b253f56e5bc3a95058401353cff97931f5e14292.exe
  • Size 45KB
  • Sample260710-d386vsdy5t
  • SHA256 caf9f403c7ef810fefc0e853b253f56e5bc3a95058401353cff97931f5e14292
  • 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

  • NqRbyjOnoQtZ

Attributes
  • delay

    0

  • install

    true

  • install_file

    8y61k0.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\caf9f403c7ef810fefc0e853b253f56e5bc3a95058401353cff97931f5e14292.exe
    "C:\Users\Admin\AppData\Local\Temp\caf9f403c7ef810fefc0e853b253f56e5bc3a95058401353cff97931f5e14292.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "8y61k0" /tr '"C:\Users\Admin\AppData\Roaming\8y61k0.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4924
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "8y61k0" /tr '"C:\Users\Admin\AppData\Roaming\8y61k0.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4396
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6EFC.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3620
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3684
      • C:\Users\Admin\AppData\Roaming\8y61k0.exe
        "C:\Users\Admin\AppData\Roaming\8y61k0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5116
  • C:\Users\Admin\AppData\Roaming\8y61k0.exe
    "C:\Users\Admin\AppData\Roaming\8y61k0.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4556
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4300

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp6EFC.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp6EFC.tmp.bat
          • Size 150B
          • SHA256 4dbfe28113f9b0776d9780c07e8e4ad58c07fcd1f74283345e9b59d51f2db314
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          8y61k0.exe
          • Path C:\Users\Admin\AppData\Roaming\8y61k0.exe
          • Size 45KB
          • SHA256 caf9f403c7ef810fefc0e853b253f56e5bc3a95058401353cff97931f5e14292
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2388-0-0x0000000074D42000-0x0000000074D43000-memory.dmp
          Download

          memory/2388-1-0x00000000005E0000-0x00000000005F2000-memory.dmp
          Download

          memory/2388-2-0x0000000074D30000-0x00000000754EC000-memory.dmp
          Download

          memory/2388-3-0x0000000005120000-0x00000000051BC000-memory.dmp
          Download

          memory/2388-8-0x0000000074D30000-0x00000000754EC000-memory.dmp
          Download

          memory/4556-12-0x0000000074BC0000-0x000000007537C000-memory.dmp
          Download

          memory/4556-14-0x0000000074BC0000-0x000000007537C000-memory.dmp
          Download