Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 22:30

General

  • Target
    282f23865a8a4bf3c1de8c49d13ccd3b29b30340a3d6af91a8111687ec6e976f.exe
  • Size 45KB
  • Sample260804-2ev64azsgz
  • SHA256 282f23865a8a4bf3c1de8c49d13ccd3b29b30340a3d6af91a8111687ec6e976f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xemsexmy.org:80

  • xemsexmy.org:22

  • xemsexmy.org:8080

  • xemsexmy.org:8880

  • xemsexmy.org:2052

  • xemsexmy.org:2082

  • xemsexmy.org:2086

  • xemsexmy.org:2095

  • xemsexmy.org:443

  • xemsexmy.org:2053

  • xemsexmy.org:2083

  • xemsexmy.org:2087

  • xemsexmy.org:2096

  • xemsexmy.org:8443

  • www.xemsexmy.org:80

  • www.xemsexmy.org:22

  • www.xemsexmy.org:8080

  • www.xemsexmy.org:8880

  • www.xemsexmy.org:2052

  • www.xemsexmy.org:2082

Mutex
  • iIGzcoPJNUcR

Attributes
  • delay

    0

  • install

    true

  • install_file

    9jhja.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).

  • 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\282f23865a8a4bf3c1de8c49d13ccd3b29b30340a3d6af91a8111687ec6e976f.exe
    "C:\Users\Admin\AppData\Local\Temp\282f23865a8a4bf3c1de8c49d13ccd3b29b30340a3d6af91a8111687ec6e976f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "9jhja" /tr '"C:\Users\Admin\AppData\Roaming\9jhja.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "9jhja" /tr '"C:\Users\Admin\AppData\Roaming\9jhja.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5856
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB3C6.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4396
      • C:\Users\Admin\AppData\Roaming\9jhja.exe
        "C:\Users\Admin\AppData\Roaming\9jhja.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3192
  • C:\Users\Admin\AppData\Roaming\9jhja.exe
    "C:\Users\Admin\AppData\Roaming\9jhja.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2976
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4612

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpB3C6.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmpB3C6.tmp.bat
          • Size 149B
          • SHA256 698f48b1104106ae781eb52e50520f7edcff02d776902f5daff081dc616b93a0
          • MD5 SHA1 SHA512 TLSH

          9jhja.exe

          • Path C:\Users\Admin\AppData\Roaming\9jhja.exe
          • Size 45KB
          • SHA256 282f23865a8a4bf3c1de8c49d13ccd3b29b30340a3d6af91a8111687ec6e976f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/240-0-0x0000000074A42000-0x0000000074A43000-memory.dmp

          memory/240-1-0x0000000000CE0000-0x0000000000CF2000-memory.dmp

          memory/240-2-0x0000000074A30000-0x00000000751EC000-memory.dmp

          memory/240-3-0x00000000057F0000-0x000000000588C000-memory.dmp

          memory/240-8-0x0000000074A30000-0x00000000751EC000-memory.dmp

          memory/2976-12-0x00000000748C0000-0x000000007507C000-memory.dmp

          memory/2976-14-0x00000000748C0000-0x000000007507C000-memory.dmp