Analysis

  • max time kernel
    6s
  • 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
    05/08/2026, 09:36

General

  • Target
    ed17c1bae407072b91cdf716d9e85c3c4697e7dcea4b7debea02d5c340ea2636.exe
  • Size 45KB
  • Sample260805-lle6fsdk61
  • SHA256 ed17c1bae407072b91cdf716d9e85c3c4697e7dcea4b7debea02d5c340ea2636
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sas-cdn.com:80

  • sas-cdn.com:22

  • sas-cdn.com:8080

  • sas-cdn.com:8880

  • sas-cdn.com:2052

  • sas-cdn.com:2082

  • sas-cdn.com:2086

  • sas-cdn.com:2095

  • sas-cdn.com:443

  • sas-cdn.com:2053

  • sas-cdn.com:2083

  • sas-cdn.com:2087

  • sas-cdn.com:2096

  • sas-cdn.com:8443

  • www.sas-cdn.com:80

  • www.sas-cdn.com:22

  • www.sas-cdn.com:8080

  • www.sas-cdn.com:8880

  • www.sas-cdn.com:2052

  • www.sas-cdn.com:2082

Mutex
  • 4sEjUBxoEBHm

Attributes
  • delay

    0

  • install

    true

  • install_file

    6be4z230.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Outbound SSH connection to public host 2 TTPs 1 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed17c1bae407072b91cdf716d9e85c3c4697e7dcea4b7debea02d5c340ea2636.exe
    "C:\Users\Admin\AppData\Local\Temp\ed17c1bae407072b91cdf716d9e85c3c4697e7dcea4b7debea02d5c340ea2636.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6be4z230" /tr '"C:\Users\Admin\AppData\Roaming\6be4z230.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "6be4z230" /tr '"C:\Users\Admin\AppData\Roaming\6be4z230.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2576
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp93CA.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5660
      • C:\Users\Admin\AppData\Roaming\6be4z230.exe
        "C:\Users\Admin\AppData\Roaming\6be4z230.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5588
  • C:\Users\Admin\AppData\Roaming\6be4z230.exe
    "C:\Users\Admin\AppData\Roaming\6be4z230.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2336
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2264

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp93CA.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp93CA.tmp.bat
          • Size 152B
          • SHA256 c44b4733b1ff398a83d77ecdd11641b9c90cb9719a2d00e0d7e0c974c8273123
          • MD5 SHA1 SHA512 TLSH

          6be4z230.exe

          • Path C:\Users\Admin\AppData\Roaming\6be4z230.exe
          • Size 45KB
          • SHA256 ed17c1bae407072b91cdf716d9e85c3c4697e7dcea4b7debea02d5c340ea2636
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2336-12-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/2336-14-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/4216-0-0x0000000074C82000-0x0000000074C83000-memory.dmp

          memory/4216-1-0x0000000000150000-0x0000000000162000-memory.dmp

          memory/4216-2-0x0000000074C70000-0x000000007542C000-memory.dmp

          memory/4216-3-0x0000000004D20000-0x0000000004DBC000-memory.dmp

          memory/4216-8-0x0000000074C70000-0x000000007542C000-memory.dmp