Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/07/2026, 12:25

General

  • Target
    54b97000a17fc5e0ae0198aaa74cb86e9f4fd2b635a37b5297e8579eaca4b9d2.exe
  • Size 45KB
  • Sample260711-pl4etscs3x
  • SHA256 54b97000a17fc5e0ae0198aaa74cb86e9f4fd2b635a37b5297e8579eaca4b9d2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • bvdhosting.nl:80

  • bvdhosting.nl:22

  • bvdhosting.nl:8080

  • bvdhosting.nl:8880

  • bvdhosting.nl:2052

  • bvdhosting.nl:2082

  • bvdhosting.nl:2086

  • bvdhosting.nl:2095

  • bvdhosting.nl:443

  • bvdhosting.nl:2053

  • bvdhosting.nl:2083

  • bvdhosting.nl:2087

  • bvdhosting.nl:2096

  • bvdhosting.nl:8443

  • www.bvdhosting.nl:80

  • www.bvdhosting.nl:22

  • www.bvdhosting.nl:8080

  • www.bvdhosting.nl:8880

  • www.bvdhosting.nl:2052

  • www.bvdhosting.nl:2082

Mutex
  • d0Vpap8TXdu7

Attributes
  • delay

    0

  • install

    true

  • install_file

    stpwg0.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).

  • 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\54b97000a17fc5e0ae0198aaa74cb86e9f4fd2b635a37b5297e8579eaca4b9d2.exe
    "C:\Users\Admin\AppData\Local\Temp\54b97000a17fc5e0ae0198aaa74cb86e9f4fd2b635a37b5297e8579eaca4b9d2.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "stpwg0" /tr '"C:\Users\Admin\AppData\Roaming\stpwg0.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "stpwg0" /tr '"C:\Users\Admin\AppData\Roaming\stpwg0.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4616
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5F6.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1584
      • C:\Users\Admin\AppData\Roaming\stpwg0.exe
        "C:\Users\Admin\AppData\Roaming\stpwg0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4380
  • C:\Users\Admin\AppData\Roaming\stpwg0.exe
    "C:\Users\Admin\AppData\Roaming\stpwg0.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4852

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp5F6.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5F6.tmp.bat
        • Size 149B
        • SHA256 8b090115c2c5ef7350a026aad0e975091e1ea006899c284b21d6726a2dba6c2b
        • MD5 SHA1 SHA512 TLSH

        stpwg0.exe

        • Path C:\Users\Admin\AppData\Roaming\stpwg0.exe
        • Size 45KB
        • SHA256 54b97000a17fc5e0ae0198aaa74cb86e9f4fd2b635a37b5297e8579eaca4b9d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4824-0-0x0000000000120000-0x0000000000132000-memory.dmp

        memory/4824-1-0x0000000004B80000-0x0000000004B90000-memory.dmp

        memory/4824-2-0x0000000004AE0000-0x0000000004B7C000-memory.dmp

        memory/4852-10-0x0000000005920000-0x0000000005930000-memory.dmp

        memory/4852-13-0x0000000005920000-0x0000000005930000-memory.dmp