Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/07/2026, 10:22

General

  • Target
    db8a7113-f8ee-4de2-8eeb-1a4985654e47.exe
  • Size 46KB
  • Sample260727-meastsad86
  • SHA256 a2c0ed93760054ea0dc0718e8ace4c75ec08542bab565ec7038986416749f478
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 388pg88.com:4930

  • 388pg88.com:0921

  • 388pg88.com:1123

  • 388pg88.com:8362

  • 388pg88.com:3439

  • 388pg88.com:2551

  • 388pg88.com:5786

  • 388pg88.com:7404

  • 388pg88.com:2158

  • 388pg88.com:8075

  • www.388pg88.com:4930

  • www.388pg88.com:0921

  • www.388pg88.com:1123

  • www.388pg88.com:8362

  • www.388pg88.com:3439

  • www.388pg88.com:2551

  • www.388pg88.com:5786

  • www.388pg88.com:7404

  • www.388pg88.com:2158

  • www.388pg88.com:8075

Mutex
  • 6MOCJMTjUj3O

Attributes
  • delay

    3

  • install

    true

  • install_file

    pg888.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 1 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).

  • 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.

  • 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\db8a7113-f8ee-4de2-8eeb-1a4985654e47.exe
    "C:\Users\Admin\AppData\Local\Temp\db8a7113-f8ee-4de2-8eeb-1a4985654e47.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pg888" /tr '"C:\Users\Admin\AppData\Roaming\pg888.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4376
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "pg888" /tr '"C:\Users\Admin\AppData\Roaming\pg888.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4124
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp74ED.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3340
      • C:\Users\Admin\AppData\Roaming\pg888.exe
        "C:\Users\Admin\AppData\Roaming\pg888.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4804
  • C:\Users\Admin\AppData\Roaming\pg888.exe
    "C:\Users\Admin\AppData\Roaming\pg888.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3952

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp74ED.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp74ED.tmp.bat
        • Size 149B
        • SHA256 8c2c14b73e90854320921b21631c1f0e2b2d03fdf9dde8db5d5b82496014f034
        • MD5 SHA1 SHA512 TLSH

        pg888.exe

        • Path C:\Users\Admin\AppData\Roaming\pg888.exe
        • Size 46KB
        • SHA256 a2c0ed93760054ea0dc0718e8ace4c75ec08542bab565ec7038986416749f478
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4620-0-0x0000000000760000-0x0000000000772000-memory.dmp

        memory/4620-1-0x0000000005250000-0x0000000005260000-memory.dmp

        memory/4620-2-0x0000000005130000-0x00000000051CC000-memory.dmp