Overview

overview

10

Static

static

10

933b785518...94.exe

windows10-2004-x64

10

933b785518...94.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 08:09

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General

  • Target
    933b78551825591e1f3239bd0560174efd5259cb8adfa5e3cb6521f6dab15c94.exe
  • Size 45KB
  • Sample260802-j2b3mafk2s
  • SHA256 933b78551825591e1f3239bd0560174efd5259cb8adfa5e3cb6521f6dab15c94
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xemsexmy.org:80

  • xemsexmy.org:22

  • xemsexmy.org:8080

  • xemsexmy.org:8880

  • xemsexmy.org:2052

  • xemsexmy.org:2082

  • xemsexmy.org:2086

  • xemsexmy.org:2095

  • xemsexmy.org:443

  • xemsexmy.org:2053

  • xemsexmy.org:2083

  • xemsexmy.org:2087

  • xemsexmy.org:2096

  • xemsexmy.org:8443

  • www.xemsexmy.org:80

  • www.xemsexmy.org:22

  • www.xemsexmy.org:8080

  • www.xemsexmy.org:8880

  • www.xemsexmy.org:2052

  • www.xemsexmy.org:2082

Mutex

  • 3Dz7R38HPrEJ

Attributes
  • delay

    0

  • install

    true

  • install_file

    70b71.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
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • 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\933b78551825591e1f3239bd0560174efd5259cb8adfa5e3cb6521f6dab15c94.exe
    "C:\Users\Admin\AppData\Local\Temp\933b78551825591e1f3239bd0560174efd5259cb8adfa5e3cb6521f6dab15c94.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "70b71" /tr '"C:\Users\Admin\AppData\Roaming\70b71.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5504
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "70b71" /tr '"C:\Users\Admin\AppData\Roaming\70b71.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2648
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCB8.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5312
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2368
      • C:\Users\Admin\AppData\Roaming\70b71.exe
        "C:\Users\Admin\AppData\Roaming\70b71.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5424
  • C:\Users\Admin\AppData\Roaming\70b71.exe
    "C:\Users\Admin\AppData\Roaming\70b71.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5748

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpCB8.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpCB8.tmp.bat
        • Size 148B
        • SHA256 ae6644b73dbb2dcf52e3c158d69be20328aafc5f4ce67fcb0578dfd45bb7f80f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        70b71.exe
        • Path C:\Users\Admin\AppData\Roaming\70b71.exe
        • Size 45KB
        • SHA256 933b78551825591e1f3239bd0560174efd5259cb8adfa5e3cb6521f6dab15c94
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2292-0-0x0000000074342000-0x0000000074343000-memory.dmp
        Download

        memory/2292-1-0x0000000000DB0000-0x0000000000DC2000-memory.dmp
        Download

        memory/2292-2-0x0000000074330000-0x0000000074AEC000-memory.dmp
        Download

        memory/2292-3-0x00000000058B0000-0x000000000594C000-memory.dmp
        Download

        memory/2292-8-0x0000000074330000-0x0000000074AEC000-memory.dmp
        Download

        memory/5748-12-0x0000000074330000-0x0000000074AEC000-memory.dmp
        Download

        memory/5748-14-0x0000000074330000-0x0000000074AEC000-memory.dmp
        Download