Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 14:26

General

  • Target
    7993d0fc0dcd983505523beb6bd26a07ed670990f1d82affad4afcb76f8e1cd1.exe
  • Size 45KB
  • Sample260804-rr4znay1dv
  • SHA256 7993d0fc0dcd983505523beb6bd26a07ed670990f1d82affad4afcb76f8e1cd1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexviet41.com:80

  • sexviet41.com:22

  • sexviet41.com:8080

  • sexviet41.com:8880

  • sexviet41.com:2052

  • sexviet41.com:2082

  • sexviet41.com:2086

  • sexviet41.com:2095

  • sexviet41.com:443

  • sexviet41.com:2053

  • sexviet41.com:2083

  • sexviet41.com:2087

  • sexviet41.com:2096

  • sexviet41.com:8443

  • www.sexviet41.com:80

  • www.sexviet41.com:22

  • www.sexviet41.com:8080

  • www.sexviet41.com:8880

  • www.sexviet41.com:2052

  • www.sexviet41.com:2082

Mutex
  • mDG9p5xjJmq4

Attributes
  • delay

    0

  • install

    true

  • install_file

    j60ue5.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 4 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\7993d0fc0dcd983505523beb6bd26a07ed670990f1d82affad4afcb76f8e1cd1.exe
    "C:\Users\Admin\AppData\Local\Temp\7993d0fc0dcd983505523beb6bd26a07ed670990f1d82affad4afcb76f8e1cd1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "j60ue5" /tr '"C:\Users\Admin\AppData\Roaming\j60ue5.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4244
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "j60ue5" /tr '"C:\Users\Admin\AppData\Roaming\j60ue5.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3416
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9282.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4336
      • C:\Users\Admin\AppData\Roaming\j60ue5.exe
        "C:\Users\Admin\AppData\Roaming\j60ue5.exe"
        3⤵
          PID:248
    • C:\Users\Admin\AppData\Roaming\j60ue5.exe
      "C:\Users\Admin\AppData\Roaming\j60ue5.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1288
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2264

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp9282.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp9282.tmp.bat
            • Size 150B
            • SHA256 afeb58a16c5b60823e8b2d77f28187664d263d7d6f5e4147959c68447fc6fae7
            • MD5 SHA1 SHA512 TLSH

            j60ue5.exe

            • Path C:\Users\Admin\AppData\Roaming\j60ue5.exe
            • Size 45KB
            • SHA256 7993d0fc0dcd983505523beb6bd26a07ed670990f1d82affad4afcb76f8e1cd1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1288-12-0x0000000074C70000-0x000000007542C000-memory.dmp

            memory/1288-14-0x0000000074C70000-0x000000007542C000-memory.dmp

            memory/4216-0-0x0000000074C82000-0x0000000074C83000-memory.dmp

            memory/4216-1-0x0000000000D90000-0x0000000000DA2000-memory.dmp

            memory/4216-2-0x0000000074C70000-0x000000007542C000-memory.dmp

            memory/4216-3-0x0000000005770000-0x000000000580C000-memory.dmp

            memory/4216-9-0x0000000074C70000-0x000000007542C000-memory.dmp