Overview

overview

10

Static

static

10

b82ea5fdd3...77.exe

windows10-2004-x64

10

b82ea5fdd3...77.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 07:56

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General

  • Target
    b82ea5fdd39d303c9befebf24f0a1f7363c0d31d7b8dab1a6c95729412583e77.exe
  • Size 45KB
  • Sample260722-jsw2facd29
  • SHA256 b82ea5fdd39d303c9befebf24f0a1f7363c0d31d7b8dab1a6c95729412583e77
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • dalton-marine.com:80

  • dalton-marine.com:22

  • dalton-marine.com:8080

  • dalton-marine.com:8880

  • dalton-marine.com:2052

  • dalton-marine.com:2082

  • dalton-marine.com:2086

  • dalton-marine.com:2095

  • dalton-marine.com:443

  • dalton-marine.com:2053

  • dalton-marine.com:2083

  • dalton-marine.com:2087

  • dalton-marine.com:2096

  • dalton-marine.com:8443

  • www.dalton-marine.com:80

  • www.dalton-marine.com:22

  • www.dalton-marine.com:8080

  • www.dalton-marine.com:8880

  • www.dalton-marine.com:2052

  • www.dalton-marine.com:2082

Mutex

  • yC4KxMIOVFGF

Attributes
  • delay

    0

  • install

    true

  • install_file

    9ss7tl7.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
  • 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\b82ea5fdd39d303c9befebf24f0a1f7363c0d31d7b8dab1a6c95729412583e77.exe
    "C:\Users\Admin\AppData\Local\Temp\b82ea5fdd39d303c9befebf24f0a1f7363c0d31d7b8dab1a6c95729412583e77.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "9ss7tl7" /tr '"C:\Users\Admin\AppData\Roaming\9ss7tl7.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "9ss7tl7" /tr '"C:\Users\Admin\AppData\Roaming\9ss7tl7.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2692
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3BC7.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1336
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2912
      • C:\Users\Admin\AppData\Roaming\9ss7tl7.exe
        "C:\Users\Admin\AppData\Roaming\9ss7tl7.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:968
  • C:\Users\Admin\AppData\Roaming\9ss7tl7.exe
    "C:\Users\Admin\AppData\Roaming\9ss7tl7.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1160

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3BC7.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp3BC7.tmp.bat
        • Size 151B
        • SHA256 7324767e90cad058f24e76c1a93ae167c8be136ec5f0ee7aca4ee38d6a7ff306
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        9ss7tl7.exe
        • Path C:\Users\Admin\AppData\Roaming\9ss7tl7.exe
        • Size 45KB
        • SHA256 b82ea5fdd39d303c9befebf24f0a1f7363c0d31d7b8dab1a6c95729412583e77
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1160-12-0x0000000074210000-0x00000000749CC000-memory.dmp
        Download

        memory/1160-14-0x0000000074210000-0x00000000749CC000-memory.dmp
        Download

        memory/4136-0-0x0000000074392000-0x0000000074393000-memory.dmp
        Download

        memory/4136-1-0x0000000000CC0000-0x0000000000CD2000-memory.dmp
        Download

        memory/4136-2-0x0000000074380000-0x0000000074B3C000-memory.dmp
        Download

        memory/4136-3-0x0000000005820000-0x00000000058BC000-memory.dmp
        Download

        memory/4136-8-0x0000000074380000-0x0000000074B3C000-memory.dmp
        Download