Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 14:17

General

  • Target
    7df5c1554d6cfb52bc82f018918809b784b194ce8667af67f51ecae2b26d754e.exe
  • Size 45KB
  • Sample260707-rlspfagx4m
  • SHA256 7df5c1554d6cfb52bc82f018918809b784b194ce8667af67f51ecae2b26d754e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 5.61.208.88:80

  • 5.61.208.88:22

  • 5.61.208.88:8080

  • 5.61.208.88:8880

  • 5.61.208.88:2052

  • 5.61.208.88:2082

  • 5.61.208.88:2086

  • 5.61.208.88:2095

  • 5.61.208.88:443

  • 5.61.208.88:2053

  • 5.61.208.88:2083

  • 5.61.208.88:2087

  • 5.61.208.88:2096

  • 5.61.208.88:8443

Mutex
  • dujDhpIJ04m9

Attributes
  • delay

    0

  • install

    true

  • install_file

    v8va.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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7df5c1554d6cfb52bc82f018918809b784b194ce8667af67f51ecae2b26d754e.exe
    "C:\Users\Admin\AppData\Local\Temp\7df5c1554d6cfb52bc82f018918809b784b194ce8667af67f51ecae2b26d754e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5536
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "v8va" /tr '"C:\Users\Admin\AppData\Roaming\v8va.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "v8va" /tr '"C:\Users\Admin\AppData\Roaming\v8va.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4608
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5B36.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:352
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:792
      • C:\Users\Admin\AppData\Roaming\v8va.exe
        "C:\Users\Admin\AppData\Roaming\v8va.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4296
  • C:\Users\Admin\AppData\Roaming\v8va.exe
    "C:\Users\Admin\AppData\Roaming\v8va.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp5B36.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5B36.tmp.bat
        • Size 148B
        • SHA256 f52132ea9ad552aac2b0d74cd6daf321cc4ba45dc952019ae1f609339e8afb6f
        • MD5 SHA1 SHA512 TLSH

        v8va.exe

        • Path C:\Users\Admin\AppData\Roaming\v8va.exe
        • Size 45KB
        • SHA256 7df5c1554d6cfb52bc82f018918809b784b194ce8667af67f51ecae2b26d754e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5536-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

        memory/5536-1-0x0000000000010000-0x0000000000022000-memory.dmp

        memory/5536-2-0x0000000074B80000-0x000000007533C000-memory.dmp

        memory/5536-3-0x0000000004B00000-0x0000000004B9C000-memory.dmp

        memory/5536-8-0x0000000074B80000-0x000000007533C000-memory.dmp

        memory/5920-12-0x00000000749B0000-0x000000007516C000-memory.dmp

        memory/5920-14-0x00000000749B0000-0x000000007516C000-memory.dmp