Overview

overview

10

Static

static

10

75586b8bc8...9c.exe

windows10-2004-x64

10

75586b8bc8...9c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    59s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 19:41

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General

  • Target
    75586b8bc860c174f7efcecc3eb62722ca2c06366ebf98576cd94bf7315c5b9c.exe
  • Size 111KB
  • Sample261027-yd39jaed48
  • SHA256 75586b8bc860c174f7efcecc3eb62722ca2c06366ebf98576cd94bf7315c5b9c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • jjun88.top:80

  • jjun88.top:443

  • www.jjun88.top:80

  • www.jjun88.top:443

Mutex

  • TsV2hYXsjoWS

Attributes
  • delay

    3

  • install

    true

  • install_file

    Malware.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 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\75586b8bc860c174f7efcecc3eb62722ca2c06366ebf98576cd94bf7315c5b9c.exe
    "C:\Users\Admin\AppData\Local\Temp\75586b8bc860c174f7efcecc3eb62722ca2c06366ebf98576cd94bf7315c5b9c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Malware" /tr '"C:\Users\Admin\AppData\Roaming\Malware.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:2508
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Malware" /tr '"C:\Users\Admin\AppData\Roaming\Malware.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1816
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDCAA.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:2196
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3240
      • C:\Users\Admin\AppData\Roaming\Malware.exe
        "C:\Users\Admin\AppData\Roaming\Malware.exe"
        3⤵
          PID:3012
    • C:\Users\Admin\AppData\Roaming\Malware.exe
      "C:\Users\Admin\AppData\Roaming\Malware.exe"
      1⤵
        PID:2860

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmpDCAA.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmpDCAA.tmp.bat
            • Size 151B
            • SHA256 d86cbfe56b2825b79d7c34b1e5cd2c1dd2f839ca8ccca7d263bedb512b96e88f
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            Malware.exe
            • Path C:\Users\Admin\AppData\Roaming\Malware.exe
            • Size 111KB
            • SHA256 75586b8bc860c174f7efcecc3eb62722ca2c06366ebf98576cd94bf7315c5b9c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2860-12-0x0000000074620000-0x0000000074DDC000-memory.dmp
            Download

            memory/2860-14-0x0000000074620000-0x0000000074DDC000-memory.dmp
            Download

            memory/4292-0-0x0000000074632000-0x0000000074633000-memory.dmp
            Download

            memory/4292-1-0x00000000004E0000-0x0000000000502000-memory.dmp
            Download

            memory/4292-2-0x0000000074620000-0x0000000074DDC000-memory.dmp
            Download

            memory/4292-3-0x0000000005000000-0x000000000509C000-memory.dmp
            Download

            memory/4292-9-0x0000000074620000-0x0000000074DDC000-memory.dmp
            Download