Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    14/07/2026, 04:32

General

  • Target
    9e1e217baf79c6fc8d5e529ab06cdd2d2244100141c4afe1626ff8eee9abaf5e.exe
  • Size 45KB
  • Sample260714-e55f5agw2y
  • SHA256 9e1e217baf79c6fc8d5e529ab06cdd2d2244100141c4afe1626ff8eee9abaf5e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xnxxsex.mobi:80

  • xnxxsex.mobi:22

  • xnxxsex.mobi:8080

  • xnxxsex.mobi:8880

  • xnxxsex.mobi:2052

  • xnxxsex.mobi:2082

  • xnxxsex.mobi:2086

  • xnxxsex.mobi:2095

  • xnxxsex.mobi:443

  • xnxxsex.mobi:2053

  • xnxxsex.mobi:2083

  • xnxxsex.mobi:2087

  • xnxxsex.mobi:2096

  • xnxxsex.mobi:8443

  • www.xnxxsex.mobi:80

  • www.xnxxsex.mobi:22

  • www.xnxxsex.mobi:8080

  • www.xnxxsex.mobi:8880

  • www.xnxxsex.mobi:2052

  • www.xnxxsex.mobi:2082

Mutex
  • eUtHQpD6IWMs

Attributes
  • delay

    0

  • install

    true

  • install_file

    f1zej1i.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 2 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e1e217baf79c6fc8d5e529ab06cdd2d2244100141c4afe1626ff8eee9abaf5e.exe
    "C:\Users\Admin\AppData\Local\Temp\9e1e217baf79c6fc8d5e529ab06cdd2d2244100141c4afe1626ff8eee9abaf5e.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f1zej1i" /tr '"C:\Users\Admin\AppData\Roaming\f1zej1i.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6012
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "f1zej1i" /tr '"C:\Users\Admin\AppData\Roaming\f1zej1i.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4836
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1D28.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1564
      • 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\f1zej1i.exe
        "C:\Users\Admin\AppData\Roaming\f1zej1i.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5452
  • C:\Users\Admin\AppData\Roaming\f1zej1i.exe
    "C:\Users\Admin\AppData\Roaming\f1zej1i.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5380

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp1D28.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp1D28.tmp.bat
        • Size 151B
        • SHA256 fff82a908c394adb67dcbb24889f25917c8660fe1b183c103cb22275507b0655
        • MD5 SHA1 SHA512 TLSH

        f1zej1i.exe

        • Path C:\Users\Admin\AppData\Roaming\f1zej1i.exe
        • Size 45KB
        • SHA256 9e1e217baf79c6fc8d5e529ab06cdd2d2244100141c4afe1626ff8eee9abaf5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4584-0-0x0000000000260000-0x0000000000272000-memory.dmp

        memory/4584-1-0x0000000004C70000-0x0000000004C80000-memory.dmp

        memory/4584-2-0x0000000004D20000-0x0000000004DBC000-memory.dmp

        memory/5380-10-0x00000000050E0000-0x00000000050F0000-memory.dmp

        memory/5380-13-0x00000000050E0000-0x00000000050F0000-memory.dmp