Overview

overview

10

Static

static

10

v3.exe

windows10-2004-x64

10

v3.exe

windows11-21h2-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/04/2026, 16:03

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General

  • Target
    v3.exe
  • Size 47KB
  • Sample260421-thc6pahs3k
  • SHA256 ee2f4434843b5000026ff39a6eb2e8c1052c84ce0e4f408bf9f20f99b11a269a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasionexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Default

C2

  • xoilactv.run:443

  • xoilactv.run:80

  • xoilactv.run:25

  • xoilactv.run:8443

  • v2.xoilactv.run:443

  • v2.xoilactv.run:80

  • v2.xoilactv.run:25

  • v2.xoilactv.run:8443

  • v3.xoilactv.run:443

  • v3.xoilactv.run:80

  • v3.xoilactv.run:25

  • v3.xoilactv.run: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#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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
    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 64 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.

    persistence

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:3004
    • 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:2024
      • 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:4256
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7AA9.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4260
      • C:\Users\Admin\AppData\Roaming\v3.exe
        "C:\Users\Admin\AppData\Roaming\v3.exe"
        3⤵
        • Executes dropped EXE
        PID:2084
  • C:\Users\Admin\AppData\Roaming\v3.exe
    "C:\Users\Admin\AppData\Roaming\v3.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3000

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
        Submit Download

        tmp7AA9.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp7AA9.tmp.bat
        • Size 146B
        • SHA256 24789bd773444e7a6926b2c67000797c1c780f3e3f5c102148b648596cd2365b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        v3.exe
        • Path C:\Users\Admin\AppData\Roaming\v3.exe
        • Size 47KB
        • SHA256 ee2f4434843b5000026ff39a6eb2e8c1052c84ce0e4f408bf9f20f99b11a269a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2084-13-0x0000000002BD0000-0x0000000002BDC000-memory.dmp
        Download

        memory/3000-12-0x0000000002CD0000-0x0000000002CDC000-memory.dmp
        Download

        memory/3004-0-0x0000000000350000-0x0000000000362000-memory.dmp
        Download

        memory/3004-1-0x000000001AFB0000-0x000000001AFC0000-memory.dmp
        Download

        memory/3004-6-0x0000000000B20000-0x0000000000B2C000-memory.dmp
        Download