Overview

overview

10

Static

static

10

53c7d25e60...2c.exe

windows10-2004-x64

10

53c7d25e60...2c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 03:37

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General

  • Target
    53c7d25e60bab79e8ea10058bb9c573f16bf985071b04742793c821b9ada8b2c.exe
  • Size 45KB
  • Sample260712-d6y53aex2w
  • SHA256 53c7d25e60bab79e8ea10058bb9c573f16bf985071b04742793c821b9ada8b2c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • mephimsexviet.com:80

  • mephimsexviet.com:22

  • mephimsexviet.com:8080

  • mephimsexviet.com:8880

  • mephimsexviet.com:2052

  • mephimsexviet.com:2082

  • mephimsexviet.com:2086

  • mephimsexviet.com:2095

  • mephimsexviet.com:443

  • mephimsexviet.com:2053

  • mephimsexviet.com:2083

  • mephimsexviet.com:2087

  • mephimsexviet.com:2096

  • mephimsexviet.com:8443

  • www.mephimsexviet.com:80

  • www.mephimsexviet.com:22

  • www.mephimsexviet.com:8080

  • www.mephimsexviet.com:8880

  • www.mephimsexviet.com:2052

  • www.mephimsexviet.com:2082

Mutex

  • HGZcdFfo3i4l

Attributes
  • delay

    0

  • install

    true

  • install_file

    2fgfi.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
  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53c7d25e60bab79e8ea10058bb9c573f16bf985071b04742793c821b9ada8b2c.exe
    "C:\Users\Admin\AppData\Local\Temp\53c7d25e60bab79e8ea10058bb9c573f16bf985071b04742793c821b9ada8b2c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2fgfi" /tr '"C:\Users\Admin\AppData\Roaming\2fgfi.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "2fgfi" /tr '"C:\Users\Admin\AppData\Roaming\2fgfi.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4876
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8C58.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3948
      • C:\Users\Admin\AppData\Roaming\2fgfi.exe
        "C:\Users\Admin\AppData\Roaming\2fgfi.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1724
  • C:\Users\Admin\AppData\Roaming\2fgfi.exe
    "C:\Users\Admin\AppData\Roaming\2fgfi.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4256

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp8C58.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp8C58.tmp.bat
        • Size 149B
        • SHA256 781bbf812428d1622c81c04a1d97a866275d159cb7a3af26afa1feb90e114081
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        2fgfi.exe
        • Path C:\Users\Admin\AppData\Roaming\2fgfi.exe
        • Size 45KB
        • SHA256 53c7d25e60bab79e8ea10058bb9c573f16bf985071b04742793c821b9ada8b2c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4256-12-0x00000000741C0000-0x000000007497C000-memory.dmp
        Download

        memory/4256-14-0x00000000741C0000-0x000000007497C000-memory.dmp
        Download

        memory/4280-0-0x0000000074342000-0x0000000074343000-memory.dmp
        Download

        memory/4280-1-0x0000000000AC0000-0x0000000000AD2000-memory.dmp
        Download

        memory/4280-2-0x0000000074330000-0x0000000074AEC000-memory.dmp
        Download

        memory/4280-3-0x0000000005620000-0x00000000056BC000-memory.dmp
        Download

        memory/4280-8-0x0000000074330000-0x0000000074AEC000-memory.dmp
        Download