Overview

overview

10

Static

static

10

e05e1f5034...b6.exe

windows10-2004-x64

10

e05e1f5034...b6.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 15:09

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General

  • Target
    e05e1f503464684f362058f2fce7663dcd3f113a9bc451b45a5447426be8b2b6.exe
  • Size 45KB
  • Sample260715-sjs3vsat2t
  • SHA256 e05e1f503464684f362058f2fce7663dcd3f113a9bc451b45a5447426be8b2b6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • s1.phimsexvn2.blog:80

  • s1.phimsexvn2.blog:22

  • s1.phimsexvn2.blog:8080

  • s1.phimsexvn2.blog:8880

  • s1.phimsexvn2.blog:2052

  • s1.phimsexvn2.blog:2082

  • s1.phimsexvn2.blog:2086

  • s1.phimsexvn2.blog:2095

  • s1.phimsexvn2.blog:443

  • s1.phimsexvn2.blog:2053

  • s1.phimsexvn2.blog:2083

  • s1.phimsexvn2.blog:2087

  • s1.phimsexvn2.blog:2096

  • s1.phimsexvn2.blog:8443

  • www.s1.phimsexvn2.blog:80

  • www.s1.phimsexvn2.blog:22

  • www.s1.phimsexvn2.blog:8080

  • www.s1.phimsexvn2.blog:8880

  • www.s1.phimsexvn2.blog:2052

  • www.s1.phimsexvn2.blog:2082

Mutex

  • ITaqBvWpeCA0

Attributes
  • delay

    0

  • install

    true

  • install_file

    j1y1h91j.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\e05e1f503464684f362058f2fce7663dcd3f113a9bc451b45a5447426be8b2b6.exe
    "C:\Users\Admin\AppData\Local\Temp\e05e1f503464684f362058f2fce7663dcd3f113a9bc451b45a5447426be8b2b6.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "j1y1h91j" /tr '"C:\Users\Admin\AppData\Roaming\j1y1h91j.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "j1y1h91j" /tr '"C:\Users\Admin\AppData\Roaming\j1y1h91j.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:364
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp643E.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3416
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1068
      • C:\Users\Admin\AppData\Roaming\j1y1h91j.exe
        "C:\Users\Admin\AppData\Roaming\j1y1h91j.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:600
  • C:\Users\Admin\AppData\Roaming\j1y1h91j.exe
    "C:\Users\Admin\AppData\Roaming\j1y1h91j.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1868

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp643E.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp643E.tmp.bat
        • Size 152B
        • SHA256 8ecb6c211f44847ea6b719cb55020e43f581513746fb4cbc16e61cf969f031ff
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        j1y1h91j.exe
        • Path C:\Users\Admin\AppData\Roaming\j1y1h91j.exe
        • Size 45KB
        • SHA256 e05e1f503464684f362058f2fce7663dcd3f113a9bc451b45a5447426be8b2b6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1136-0-0x00000000750A2000-0x00000000750A3000-memory.dmp
        Download

        memory/1136-1-0x00000000007B0000-0x00000000007C2000-memory.dmp
        Download

        memory/1136-2-0x0000000075090000-0x000000007584C000-memory.dmp
        Download

        memory/1136-3-0x0000000005380000-0x000000000541C000-memory.dmp
        Download

        memory/1136-8-0x0000000075090000-0x000000007584C000-memory.dmp
        Download

        memory/1868-12-0x0000000074F20000-0x00000000756DC000-memory.dmp
        Download

        memory/1868-14-0x0000000074F20000-0x00000000756DC000-memory.dmp
        Download