Overview

overview

10

Static

static

10

7607fcdfb1...8e.exe

windows10-2004-x64

10

7607fcdfb1...8e.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    35s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/06/2026, 19:37

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    7607fcdfb17963e6e4273fa7718d8dc15ba7de9d8425b9527f64f52f3d921f8e.exe
  • Size 45KB
  • Sample260605-yb68eaet7l
  • SHA256 7607fcdfb17963e6e4273fa7718d8dc15ba7de9d8425b9527f64f52f3d921f8e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
admindefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Admin

C2

  • 80.96.109.44:80

  • 80.96.109.44:443

  • www.spica.jp.net:80

  • www.spica.jp.net:443

  • spica.jp.net:80

  • spica.jp.net:443

  • rat.spica.jp.net:80

  • rat.spica.jp.net:443

  • malware.spica.jp.net:80

  • malware.spica.jp.net:443

  • aaa.spica.jp.net:80

  • aaa.spica.jp.net:443

  • site.spica.jp.net:80

  • site.spica.jp.net:443

  • domain.spica.jp.net:80

  • domain.spica.jp.net:443

  • mail.spica.jp.net:80

  • mail.spica.jp.net:443

Mutex

  • tmHoO1hMVjXw

Attributes
  • delay

    3

  • install

    true

  • install_file

    QMjCBjK4Sx.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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7607fcdfb17963e6e4273fa7718d8dc15ba7de9d8425b9527f64f52f3d921f8e.exe
    "C:\Users\Admin\AppData\Local\Temp\7607fcdfb17963e6e4273fa7718d8dc15ba7de9d8425b9527f64f52f3d921f8e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "QMjCBjK4Sx" /tr '"C:\Users\Admin\AppData\Roaming\QMjCBjK4Sx.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "QMjCBjK4Sx" /tr '"C:\Users\Admin\AppData\Roaming\QMjCBjK4Sx.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3504
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp56D5.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4028
      • C:\Users\Admin\AppData\Roaming\QMjCBjK4Sx.exe
        "C:\Users\Admin\AppData\Roaming\QMjCBjK4Sx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4140
  • C:\Users\Admin\AppData\Roaming\QMjCBjK4Sx.exe
    "C:\Users\Admin\AppData\Roaming\QMjCBjK4Sx.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4676

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp56D5.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp56D5.tmp.bat
        • Size 154B
        • SHA256 0c6935998b7f678e79f06530a17349d66c17a130cc679609cdbce268f8792f7a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        QMjCBjK4Sx.exe
        • Path C:\Users\Admin\AppData\Roaming\QMjCBjK4Sx.exe
        • Size 45KB
        • SHA256 7607fcdfb17963e6e4273fa7718d8dc15ba7de9d8425b9527f64f52f3d921f8e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2940-0-0x00000000006A0000-0x00000000006B2000-memory.dmp
        Download

        memory/2940-1-0x0000000005080000-0x0000000005090000-memory.dmp
        Download

        memory/2940-2-0x0000000005130000-0x00000000051CC000-memory.dmp
        Download