Overview

overview

10

Static

static

10

c0b5ee3985...ab.exe

windows10-2004-x64

10

c0b5ee3985...ab.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/04/2026, 19:08

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General

  • Target
    c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab.exe
  • Size 56KB
  • Sample260429-xtc7lsaz6m
  • SHA256 c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • devsquad.io:443

  • devsquad.io:8848

  • devsquad.io:8080

Mutex

  • TBqzBekQyHvO

Attributes
  • delay

    3

  • install

    true

  • install_file

    AsyncRat.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).

  • 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.

    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
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab.exe
    "C:\Users\Admin\AppData\Local\Temp\c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5024
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3767.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4988
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3852
      • C:\Users\Admin\AppData\Roaming\AsyncRat.exe
        "C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4484
  • C:\Users\Admin\AppData\Roaming\AsyncRat.exe
    "C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3816

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3767.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp3767.tmp.bat
        • Size 152B
        • SHA256 e971ee1fe3c1552e7a18c07d82c46ec469190038b32945bd23434a4d137711a8
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        AsyncRat.exe
        • Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
        • Size 56KB
        • SHA256 c0b5ee39859b4cd5e1c86b764ef2e5d1bc57430ae16ba946a02e8663fb0c49ab
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3816-14-0x0000000002620000-0x000000000262A000-memory.dmp
        Download

        memory/4484-13-0x00000000016D0000-0x00000000016DA000-memory.dmp
        Download

        memory/4672-0-0x0000000000640000-0x0000000000654000-memory.dmp
        Download

        memory/4672-1-0x00000000050A0000-0x00000000050B0000-memory.dmp
        Download

        memory/4672-2-0x00000000050B0000-0x000000000514C000-memory.dmp
        Download

        memory/4672-7-0x0000000005690000-0x00000000056CB000-memory.dmp
        Download