Analysis

  • max time kernel
    150s
  • max time network
    147s
  • 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, 09:56

General

  • Target
    0e7ce89c5d87f435d3201957fa1d33918d4033c2b7c20cebe1658b19df87a277.exe
  • Size 45KB
  • Sample260701-lynncsa14l
  • SHA256 0e7ce89c5d87f435d3201957fa1d33918d4033c2b7c20cebe1658b19df87a277
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xxxtop.net:80

  • xxxtop.net:22

  • xxxtop.net:8080

  • xxxtop.net:8880

  • xxxtop.net:2052

  • xxxtop.net:2082

  • xxxtop.net:2086

  • xxxtop.net:2095

  • xxxtop.net:443

  • xxxtop.net:2053

  • xxxtop.net:2083

  • xxxtop.net:2087

  • xxxtop.net:2096

  • xxxtop.net:8443

  • www.xxxtop.net:80

  • www.xxxtop.net:22

  • www.xxxtop.net:8080

  • www.xxxtop.net:8880

  • www.xxxtop.net:2052

  • www.xxxtop.net:2082

Mutex
  • Z0y9grv3iZuG

Attributes
  • delay

    0

  • install

    true

  • install_file

    0oiu.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
  • 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.

  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e7ce89c5d87f435d3201957fa1d33918d4033c2b7c20cebe1658b19df87a277.exe
    "C:\Users\Admin\AppData\Local\Temp\0e7ce89c5d87f435d3201957fa1d33918d4033c2b7c20cebe1658b19df87a277.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "0oiu" /tr '"C:\Users\Admin\AppData\Roaming\0oiu.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6020
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "0oiu" /tr '"C:\Users\Admin\AppData\Roaming\0oiu.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2924
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp16AB.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5416
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:6156
      • C:\Users\Admin\AppData\Roaming\0oiu.exe
        "C:\Users\Admin\AppData\Roaming\0oiu.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2976
  • C:\Users\Admin\AppData\Roaming\0oiu.exe
    "C:\Users\Admin\AppData\Roaming\0oiu.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4768

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp16AB.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp16AB.tmp.bat
        • Size 148B
        • SHA256 ebd47acb1365ee8a819693c26aad42a335081d06751bacbb3b6d0981b87a44f4
        • MD5 SHA1 SHA512 TLSH

        0oiu.exe

        • Path C:\Users\Admin\AppData\Roaming\0oiu.exe
        • Size 45KB
        • SHA256 0e7ce89c5d87f435d3201957fa1d33918d4033c2b7c20cebe1658b19df87a277
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2824-0-0x0000000074D12000-0x0000000074D13000-memory.dmp

        memory/2824-1-0x0000000000FA0000-0x0000000000FB2000-memory.dmp

        memory/2824-2-0x0000000074D00000-0x00000000754BC000-memory.dmp

        memory/2824-3-0x0000000005AC0000-0x0000000005B5C000-memory.dmp

        memory/2824-8-0x0000000074D00000-0x00000000754BC000-memory.dmp

        memory/4768-12-0x0000000074C90000-0x000000007544C000-memory.dmp

        memory/4768-14-0x0000000074C90000-0x000000007544C000-memory.dmp