Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 16:46

General

  • Target
    28a7f8e8f476ecd5c47755c767d5ecb20fd95498339c7a4a76ce36ef6e00ef61.exe
  • Size 45KB
  • Sample260601-vae6racs9k
  • SHA256 28a7f8e8f476ecd5c47755c767d5ecb20fd95498339c7a4a76ce36ef6e00ef61
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexvietdam.blog:443

  • sexvietdam.blog:80

  • www.sexvietdam.blog:443

  • www.sexvietdam.blog:80

  • hack.sexvietdam.blog:443

  • hack.sexvietdam.blog:80

  • wannacry.sexvietdam.blog:443

  • wannacry.sexvietdam.blog:80

Mutex
  • K0B3lKOGAk31

Attributes
  • delay

    0

  • install

    true

  • install_file

    2o1ph1a.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
  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28a7f8e8f476ecd5c47755c767d5ecb20fd95498339c7a4a76ce36ef6e00ef61.exe
    "C:\Users\Admin\AppData\Local\Temp\28a7f8e8f476ecd5c47755c767d5ecb20fd95498339c7a4a76ce36ef6e00ef61.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2o1ph1a" /tr '"C:\Users\Admin\AppData\Roaming\2o1ph1a.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "2o1ph1a" /tr '"C:\Users\Admin\AppData\Roaming\2o1ph1a.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4628
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3256.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3720
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:488
      • C:\Users\Admin\AppData\Roaming\2o1ph1a.exe
        "C:\Users\Admin\AppData\Roaming\2o1ph1a.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3300
  • C:\Users\Admin\AppData\Roaming\2o1ph1a.exe
    "C:\Users\Admin\AppData\Roaming\2o1ph1a.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1608

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3256.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp3256.tmp.bat
        • Size 151B
        • SHA256 bb6c2c1a812d57606a5522744882b1b4796098f8627dfe9c7a31e522e4e2a125
        • MD5 SHA1 SHA512 TLSH

        2o1ph1a.exe

        • Path C:\Users\Admin\AppData\Roaming\2o1ph1a.exe
        • Size 45KB
        • SHA256 28a7f8e8f476ecd5c47755c767d5ecb20fd95498339c7a4a76ce36ef6e00ef61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3172-0-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

        memory/3172-1-0x0000000005940000-0x0000000005950000-memory.dmp

        memory/3172-2-0x0000000005950000-0x00000000059EC000-memory.dmp