Overview

overview

10

Static

static

10

306d8366c4...39.exe

windows10-2004-x64

10

306d8366c4...39.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/07/2026, 02:34

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General

  • Target
    306d8366c4de90d04372c1b7c78c0512618ceebee87357596cd89ed5872ad939.exe
  • Size 45KB
  • Sample260712-c2m2kaet2x
  • SHA256 306d8366c4de90d04372c1b7c78c0512618ceebee87357596cd89ed5872ad939
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • mephimsexhay.com:80

  • mephimsexhay.com:22

  • mephimsexhay.com:8080

  • mephimsexhay.com:8880

  • mephimsexhay.com:2052

  • mephimsexhay.com:2082

  • mephimsexhay.com:2086

  • mephimsexhay.com:2095

  • mephimsexhay.com:443

  • mephimsexhay.com:2053

  • mephimsexhay.com:2083

  • mephimsexhay.com:2087

  • mephimsexhay.com:2096

  • mephimsexhay.com:8443

  • www.mephimsexhay.com:80

  • www.mephimsexhay.com:22

  • www.mephimsexhay.com:8080

  • www.mephimsexhay.com:8880

  • www.mephimsexhay.com:2052

  • www.mephimsexhay.com:2082

Mutex

  • M5beH1EVIt6A

Attributes
  • delay

    0

  • install

    true

  • install_file

    6zcx49c.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\306d8366c4de90d04372c1b7c78c0512618ceebee87357596cd89ed5872ad939.exe
    "C:\Users\Admin\AppData\Local\Temp\306d8366c4de90d04372c1b7c78c0512618ceebee87357596cd89ed5872ad939.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "6zcx49c" /tr '"C:\Users\Admin\AppData\Roaming\6zcx49c.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "6zcx49c" /tr '"C:\Users\Admin\AppData\Roaming\6zcx49c.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4036
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD2A.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3312
      • C:\Users\Admin\AppData\Roaming\6zcx49c.exe
        "C:\Users\Admin\AppData\Roaming\6zcx49c.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1500
  • C:\Users\Admin\AppData\Roaming\6zcx49c.exe
    "C:\Users\Admin\AppData\Roaming\6zcx49c.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3828

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpD2A.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpD2A.tmp.bat
        • Size 150B
        • SHA256 4f21c7171d47a37f3b1530e78db2c35a393f67affe8dbc5d8ce4c9bb0fd9c5c9
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        6zcx49c.exe
        • Path C:\Users\Admin\AppData\Roaming\6zcx49c.exe
        • Size 45KB
        • SHA256 306d8366c4de90d04372c1b7c78c0512618ceebee87357596cd89ed5872ad939
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3828-10-0x0000000005070000-0x0000000005080000-memory.dmp
        Download

        memory/3828-13-0x0000000005070000-0x0000000005080000-memory.dmp
        Download

        memory/4164-0-0x0000000000A40000-0x0000000000A52000-memory.dmp
        Download

        memory/4164-1-0x00000000054C0000-0x00000000054D0000-memory.dmp
        Download

        memory/4164-2-0x00000000053F0000-0x000000000548C000-memory.dmp
        Download