Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 17:06

General

  • Target
    2a139f174f1c1c447856d90896388f9a3421f703efcd68daa9ce7fecb54325f7.exe
  • Size 45KB
  • Sample260803-vmkxrsce93
  • SHA256 2a139f174f1c1c447856d90896388f9a3421f703efcd68daa9ce7fecb54325f7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xemcliphot.net:80

  • xemcliphot.net:22

  • xemcliphot.net:8080

  • xemcliphot.net:8880

  • xemcliphot.net:2052

  • xemcliphot.net:2082

  • xemcliphot.net:2086

  • xemcliphot.net:2095

  • xemcliphot.net:443

  • xemcliphot.net:2053

  • xemcliphot.net:2083

  • xemcliphot.net:2087

  • xemcliphot.net:2096

  • xemcliphot.net:8443

  • www.xemcliphot.net:80

  • www.xemcliphot.net:22

  • www.xemcliphot.net:8080

  • www.xemcliphot.net:8880

  • www.xemcliphot.net:2052

  • www.xemcliphot.net:2082

Mutex
  • zB04HTFg7nL5

Attributes
  • delay

    0

  • install

    true

  • install_file

    r9kr.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 1 IoCs
  • Outbound SSH connection to public host 2 TTPs 3 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 6 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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a139f174f1c1c447856d90896388f9a3421f703efcd68daa9ce7fecb54325f7.exe
    "C:\Users\Admin\AppData\Local\Temp\2a139f174f1c1c447856d90896388f9a3421f703efcd68daa9ce7fecb54325f7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6128
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "r9kr" /tr '"C:\Users\Admin\AppData\Roaming\r9kr.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4844
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "r9kr" /tr '"C:\Users\Admin\AppData\Roaming\r9kr.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4832
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp891.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4368
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1092
      • C:\Users\Admin\AppData\Roaming\r9kr.exe
        "C:\Users\Admin\AppData\Roaming\r9kr.exe"
        3⤵
          PID:2716
    • C:\Users\Admin\AppData\Roaming\r9kr.exe
      "C:\Users\Admin\AppData\Roaming\r9kr.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2416

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp891.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp891.tmp.bat
          • Size 147B
          • SHA256 c848415f64e99f302f0f8a9eac2d0fc5c53d06e0a4ec24a2a408946e3452a6cc
          • MD5 SHA1 SHA512 TLSH

          r9kr.exe

          • Path C:\Users\Admin\AppData\Roaming\r9kr.exe
          • Size 45KB
          • SHA256 2a139f174f1c1c447856d90896388f9a3421f703efcd68daa9ce7fecb54325f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2416-12-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/2416-14-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/6128-0-0x0000000075102000-0x0000000075103000-memory.dmp

          memory/6128-1-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

          memory/6128-2-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/6128-3-0x0000000005630000-0x00000000056CC000-memory.dmp

          memory/6128-9-0x00000000750F0000-0x00000000758AC000-memory.dmp