Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/04/2026, 02:10

General

  • Target
    v3.exe
  • Size 48KB
  • Sample260427-cl33vady5m
  • SHA256 2e4fd4df12fb780919f419a3ea10b7b253056491bd2cf8cf9068c1190a03841d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 1.0.7

Botnet
  • Default

C2
  • xoilactructiep.net:443

  • xoilactructiep.net:80

  • xoilactructiep.net:25

  • xoilactructiep.net:8443

  • v2.xoilactructiep.net:443

  • v2.xoilactructiep.net:80

  • v2.xoilactructiep.net:25

  • v2.xoilactructiep.net:8443

  • v3.xoilactructiep.net:443

  • v3.xoilactructiep.net:80

  • v3.xoilactructiep.net:25

  • v3.xoilactructiep.net:8443

Mutex
  • DcRatMutex_qwqdanchun

Attributes
  • delay

    9

  • install

    true

  • install_file

    v3.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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\v3.exe
    "C:\Users\Admin\AppData\Local\Temp\v3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "v3" /tr '"C:\Users\Admin\AppData\Roaming\v3.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5896
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "v3" /tr '"C:\Users\Admin\AppData\Roaming\v3.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4644
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp685A.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5180
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4900
      • C:\Users\Admin\AppData\Roaming\v3.exe
        "C:\Users\Admin\AppData\Roaming\v3.exe"
        3⤵
        • Executes dropped EXE
        PID:5156
  • C:\Users\Admin\AppData\Roaming\v3.exe
    "C:\Users\Admin\AppData\Roaming\v3.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        v3.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\v3.exe.log
        • Size 425B
        • SHA256 b8f7e4ed81764db56b9c09050f68c5a26af78d8a5e2443e75e0e1aa7cd2ccd76
        • MD5 SHA1 SHA512 TLSH

        tmp685A.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp685A.tmp.bat
        • Size 146B
        • SHA256 85b24c36121d7ec38c60f4b728900fce25597598d69760010812f79681384968
        • MD5 SHA1 SHA512 TLSH

        v3.exe

        • Path C:\Users\Admin\AppData\Roaming\v3.exe
        • Size 48KB
        • SHA256 2e4fd4df12fb780919f419a3ea10b7b253056491bd2cf8cf9068c1190a03841d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1140-12-0x00000000020C0000-0x00000000020CC000-memory.dmp

        memory/4880-0-0x0000000000C90000-0x0000000000CA2000-memory.dmp

        memory/4880-1-0x000000001B950000-0x000000001B960000-memory.dmp

        memory/4880-6-0x0000000001350000-0x000000000135C000-memory.dmp

        memory/5156-13-0x000000001B940000-0x000000001B94C000-memory.dmp