Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/07/2026, 04:06

General

  • Target
    796bb8e16dc7e0856a3974e7cf6ba6796c28a4a8ad6719233c77475c30714b99.exe
  • Size 45KB
  • Sample260706-epe7asdt7k
  • SHA256 796bb8e16dc7e0856a3974e7cf6ba6796c28a4a8ad6719233c77475c30714b99
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sex18.club:80

  • sex18.club:22

  • sex18.club:8080

  • sex18.club:8880

  • sex18.club:2052

  • sex18.club:2082

  • sex18.club:2086

  • sex18.club:2095

  • sex18.club:443

  • sex18.club:2053

  • sex18.club:2083

  • sex18.club:2087

  • sex18.club:2096

  • sex18.club:8443

  • www.sex18.club:80

  • www.sex18.club:22

  • www.sex18.club:8080

  • www.sex18.club:8880

  • www.sex18.club:2052

  • www.sex18.club:2082

Mutex
  • P3DFvDMPgPhr

Attributes
  • delay

    0

  • install

    true

  • install_file

    qypzfgl.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\796bb8e16dc7e0856a3974e7cf6ba6796c28a4a8ad6719233c77475c30714b99.exe
    "C:\Users\Admin\AppData\Local\Temp\796bb8e16dc7e0856a3974e7cf6ba6796c28a4a8ad6719233c77475c30714b99.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "qypzfgl" /tr '"C:\Users\Admin\AppData\Roaming\qypzfgl.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5000
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "qypzfgl" /tr '"C:\Users\Admin\AppData\Roaming\qypzfgl.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEE0.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3464
      • C:\Users\Admin\AppData\Roaming\qypzfgl.exe
        "C:\Users\Admin\AppData\Roaming\qypzfgl.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1608
  • C:\Users\Admin\AppData\Roaming\qypzfgl.exe
    "C:\Users\Admin\AppData\Roaming\qypzfgl.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpEE0.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpEE0.tmp.bat
        • Size 150B
        • SHA256 305e899788066ac486c5964b2e4511ad9f2dac1a12ebbea1cf8ae1edf63d5387
        • MD5 SHA1 SHA512 TLSH

        qypzfgl.exe

        • Path C:\Users\Admin\AppData\Roaming\qypzfgl.exe
        • Size 45KB
        • SHA256 796bb8e16dc7e0856a3974e7cf6ba6796c28a4a8ad6719233c77475c30714b99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3452-10-0x0000000004F30000-0x0000000004F40000-memory.dmp

        memory/3452-13-0x0000000004F30000-0x0000000004F40000-memory.dmp

        memory/3860-0-0x0000000000660000-0x0000000000672000-memory.dmp

        memory/3860-1-0x0000000005000000-0x0000000005010000-memory.dmp

        memory/3860-2-0x0000000004F10000-0x0000000004FAC000-memory.dmp