Overview

overview

10

Static

static

10

6511a7d9fa...89.exe

windows10-2004-x64

10

6511a7d9fa...89.exe

windows11-ltsc_2024-x64

10

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
    20/08/2026, 03:18

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General

  • Target
    6511a7d9fa790fac7749a9b69af8bb41b197d4b791d310035e81ae33f72ed289.exe
  • Size 140KB
  • Sample260820-dtldfa1zex
  • SHA256 6511a7d9fa790fac7749a9b69af8bb41b197d4b791d310035e81ae33f72ed289
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • chicoccino.co.uk:6606

  • chicoccino.co.uk:7707

  • chicoccino.co.uk:8808

  • chicoccino.co.uk:80

  • chicoccino.co.uk:443

  • chicoccino.co.uk:53

Mutex

  • Bdg2y3dzqqb9

Attributes
  • delay

    3

  • install

    true

  • install_file

    chicoccino.co.uk.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
  • Executes dropped EXE 2 IoCs
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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.

    execution
  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6511a7d9fa790fac7749a9b69af8bb41b197d4b791d310035e81ae33f72ed289.exe
    "C:\Users\Admin\AppData\Local\Temp\6511a7d9fa790fac7749a9b69af8bb41b197d4b791d310035e81ae33f72ed289.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "chicoccino.co.uk" /tr '"C:\Users\Admin\AppData\Roaming\chicoccino.co.uk.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "chicoccino.co.uk" /tr '"C:\Users\Admin\AppData\Roaming\chicoccino.co.uk.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4116
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5B93.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2016
      • C:\Users\Admin\AppData\Roaming\chicoccino.co.uk.exe
        "C:\Users\Admin\AppData\Roaming\chicoccino.co.uk.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5796
  • C:\Users\Admin\AppData\Roaming\chicoccino.co.uk.exe
    "C:\Users\Admin\AppData\Roaming\chicoccino.co.uk.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5364

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp5B93.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp5B93.tmp.bat
        • Size 160B
        • SHA256 a895e84c12d630af174c05f1e15a64b47dc26897f48f38abdf8132ab4a283b4c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        chicoccino.co.uk.exe
        • Path C:\Users\Admin\AppData\Roaming\chicoccino.co.uk.exe
        • Size 140KB
        • SHA256 6511a7d9fa790fac7749a9b69af8bb41b197d4b791d310035e81ae33f72ed289
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4936-0-0x00000000742A2000-0x00000000742A3000-memory.dmp
        Download

        memory/4936-1-0x0000000000910000-0x000000000093A000-memory.dmp
        Download

        memory/4936-2-0x0000000074290000-0x0000000074A4C000-memory.dmp
        Download

        memory/4936-3-0x00000000053A0000-0x000000000543C000-memory.dmp
        Download

        memory/4936-9-0x0000000074290000-0x0000000074A4C000-memory.dmp
        Download

        memory/5364-12-0x0000000074290000-0x0000000074A4C000-memory.dmp
        Download

        memory/5364-14-0x0000000074290000-0x0000000074A4C000-memory.dmp
        Download