Overview

overview

10

Static

static

10

126c367bb6...48.exe

windows10-2004-x64

10

126c367bb6...48.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 10:20

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General

  • Target
    126c367bb6898522c34b11c67fe633c6cd14351b570d4ad3c92e10d062b9b148.exe
  • Size 45KB
  • Sample260602-mdfbxscs2j
  • SHA256 126c367bb6898522c34b11c67fe633c6cd14351b570d4ad3c92e10d062b9b148
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • heosex.club:443

  • heosex.club:80

  • www.heosex.club:443

  • www.heosex.club:80

  • trickbot.heosex.club:443

  • trickbot.heosex.club:80

  • cl0p.heosex.club:443

  • cl0p.heosex.club:80

  • blaster.heosex.club:443

  • blaster.heosex.club:80

  • zbot.heosex.club:443

  • zbot.heosex.club:80

Mutex

  • n6DIjdKd3ImY

Attributes
  • delay

    0

  • install

    true

  • install_file

    5n04.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 2 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\126c367bb6898522c34b11c67fe633c6cd14351b570d4ad3c92e10d062b9b148.exe
    "C:\Users\Admin\AppData\Local\Temp\126c367bb6898522c34b11c67fe633c6cd14351b570d4ad3c92e10d062b9b148.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "5n04" /tr '"C:\Users\Admin\AppData\Roaming\5n04.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "5n04" /tr '"C:\Users\Admin\AppData\Roaming\5n04.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3312
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7DF5.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1612
      • C:\Users\Admin\AppData\Roaming\5n04.exe
        "C:\Users\Admin\AppData\Roaming\5n04.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2300
  • C:\Users\Admin\AppData\Roaming\5n04.exe
    "C:\Users\Admin\AppData\Roaming\5n04.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2508

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp7DF5.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp7DF5.tmp.bat
        • Size 148B
        • SHA256 4a92d184b388c3aaba17e3fad8c14f96de4c619b4355b5579b5b79b48a870ed7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        5n04.exe
        • Path C:\Users\Admin\AppData\Roaming\5n04.exe
        • Size 45KB
        • SHA256 126c367bb6898522c34b11c67fe633c6cd14351b570d4ad3c92e10d062b9b148
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1812-0-0x0000000000930000-0x0000000000942000-memory.dmp
        Download

        memory/1812-1-0x00000000051F0000-0x0000000005200000-memory.dmp
        Download

        memory/1812-2-0x0000000005200000-0x000000000529C000-memory.dmp
        Download

        memory/2508-10-0x0000000005330000-0x0000000005340000-memory.dmp
        Download

        memory/2508-13-0x0000000005330000-0x0000000005340000-memory.dmp
        Download