Analysis

  • max time kernel
    58s
  • max time network
    58s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 19:03

General

  • Target
    b8e00f78eb9ac4a189bac5d6b8bb70dbea459561be5676a77848b4dc08022560.exe
  • Size 45KB
  • Sample260802-xqksaaee36
  • SHA256 b8e00f78eb9ac4a189bac5d6b8bb70dbea459561be5676a77848b4dc08022560
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • heovl.im:80

  • heovl.im:22

  • heovl.im:8080

  • heovl.im:8880

  • heovl.im:2052

  • heovl.im:2082

  • heovl.im:2086

  • heovl.im:2095

  • heovl.im:443

  • heovl.im:2053

  • heovl.im:2083

  • heovl.im:2087

  • heovl.im:2096

  • heovl.im:8443

  • www.heovl.im:80

  • www.heovl.im:22

  • www.heovl.im:8080

  • www.heovl.im:8880

  • www.heovl.im:2052

  • www.heovl.im:2082

Mutex
  • UGq8IHmIrBMb

Attributes
  • delay

    0

  • install

    true

  • install_file

    5bv8ar.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
  • 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.

  • 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 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8e00f78eb9ac4a189bac5d6b8bb70dbea459561be5676a77848b4dc08022560.exe
    "C:\Users\Admin\AppData\Local\Temp\b8e00f78eb9ac4a189bac5d6b8bb70dbea459561be5676a77848b4dc08022560.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4876
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "5bv8ar" /tr '"C:\Users\Admin\AppData\Roaming\5bv8ar.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:2724
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "5bv8ar" /tr '"C:\Users\Admin\AppData\Roaming\5bv8ar.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5084
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5308.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:1636
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4728
      • C:\Users\Admin\AppData\Roaming\5bv8ar.exe
        "C:\Users\Admin\AppData\Roaming\5bv8ar.exe"
        3⤵
          PID:5644
    • C:\Users\Admin\AppData\Roaming\5bv8ar.exe
      "C:\Users\Admin\AppData\Roaming\5bv8ar.exe"
      1⤵
        PID:1248

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp5308.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp5308.tmp.bat
            • Size 150B
            • SHA256 2b92a4649a48d07d11d0f238e3f339be71641bd94a8ebd3acd9272b972c23c5d
            • MD5 SHA1 SHA512 TLSH

            5bv8ar.exe

            • Path C:\Users\Admin\AppData\Roaming\5bv8ar.exe
            • Size 45KB
            • SHA256 b8e00f78eb9ac4a189bac5d6b8bb70dbea459561be5676a77848b4dc08022560
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1248-12-0x0000000074B80000-0x000000007533C000-memory.dmp

            memory/1248-14-0x0000000074B80000-0x000000007533C000-memory.dmp

            memory/4876-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

            memory/4876-1-0x0000000000990000-0x00000000009A2000-memory.dmp

            memory/4876-2-0x0000000074B80000-0x000000007533C000-memory.dmp

            memory/4876-3-0x0000000005530000-0x00000000055CC000-memory.dmp

            memory/4876-9-0x0000000074B80000-0x000000007533C000-memory.dmp