Overview

overview

10

Static

static

10

d5e4d53363...54.exe

windows10-2004-x64

10

d5e4d53363...54.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 17:01

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General

  • Target
    d5e4d5336318faf58adaf357254ef0b871fb8198e7fb43189ac89b1d9f584954.exe
  • Size 45KB
  • Sample260801-vjld5adn3w
  • SHA256 d5e4d5336318faf58adaf357254ef0b871fb8198e7fb43189ac89b1d9f584954
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • haysexcdn.net:80

  • haysexcdn.net:22

  • haysexcdn.net:8080

  • haysexcdn.net:8880

  • haysexcdn.net:2052

  • haysexcdn.net:2082

  • haysexcdn.net:2086

  • haysexcdn.net:2095

  • haysexcdn.net:443

  • haysexcdn.net:2053

  • haysexcdn.net:2083

  • haysexcdn.net:2087

  • haysexcdn.net:2096

  • haysexcdn.net:8443

  • www.haysexcdn.net:80

  • www.haysexcdn.net:22

  • www.haysexcdn.net:8080

  • www.haysexcdn.net:8880

  • www.haysexcdn.net:2052

  • www.haysexcdn.net:2082

Mutex

  • PP9YoVJ9HDEt

Attributes
  • delay

    0

  • install

    true

  • install_file

    v1g38.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Executes dropped EXE 2 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.

    command_and_control
  • 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.

    execution
  • 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.

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

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5e4d5336318faf58adaf357254ef0b871fb8198e7fb43189ac89b1d9f584954.exe
    "C:\Users\Admin\AppData\Local\Temp\d5e4d5336318faf58adaf357254ef0b871fb8198e7fb43189ac89b1d9f584954.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "v1g38" /tr '"C:\Users\Admin\AppData\Roaming\v1g38.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "v1g38" /tr '"C:\Users\Admin\AppData\Roaming\v1g38.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2636
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp575D.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:624
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4308
      • C:\Users\Admin\AppData\Roaming\v1g38.exe
        "C:\Users\Admin\AppData\Roaming\v1g38.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5732
  • C:\Users\Admin\AppData\Roaming\v1g38.exe
    "C:\Users\Admin\AppData\Roaming\v1g38.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5804

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp575D.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp575D.tmp.bat
        • Size 149B
        • SHA256 bc6e92e2defc34ed910be95abe150571d1b2bcef7a51ee0f8cd5931a07baa820
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        v1g38.exe
        • Path C:\Users\Admin\AppData\Roaming\v1g38.exe
        • Size 45KB
        • SHA256 d5e4d5336318faf58adaf357254ef0b871fb8198e7fb43189ac89b1d9f584954
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1812-0-0x0000000074FF2000-0x0000000074FF3000-memory.dmp
        Download

        memory/1812-1-0x0000000000F50000-0x0000000000F62000-memory.dmp
        Download

        memory/1812-2-0x0000000074FE0000-0x000000007579C000-memory.dmp
        Download

        memory/1812-3-0x0000000005920000-0x00000000059BC000-memory.dmp
        Download

        memory/1812-9-0x0000000074FE0000-0x000000007579C000-memory.dmp
        Download

        memory/5804-12-0x0000000074FE0000-0x000000007579C000-memory.dmp
        Download

        memory/5804-14-0x0000000074FE0000-0x000000007579C000-memory.dmp
        Download