Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 10:38

General

  • Target
    934881f5b5df5d4c03ccbb727c72e09ebe691b0c16bd7124d5df638698e60471.exe
  • Size 45KB
  • Sample260701-mpxeksd16x
  • SHA256 934881f5b5df5d4c03ccbb727c72e09ebe691b0c16bd7124d5df638698e60471
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xxxtop.net:80

  • xxxtop.net:22

  • xxxtop.net:8080

  • xxxtop.net:8880

  • xxxtop.net:2052

  • xxxtop.net:2082

  • xxxtop.net:2086

  • xxxtop.net:2095

  • xxxtop.net:443

  • xxxtop.net:2053

  • xxxtop.net:2083

  • xxxtop.net:2087

  • xxxtop.net:2096

  • xxxtop.net:8443

  • www.xxxtop.net:80

  • www.xxxtop.net:22

  • www.xxxtop.net:8080

  • www.xxxtop.net:8880

  • www.xxxtop.net:2052

  • www.xxxtop.net:2082

Mutex
  • w8sgxKJEtDzY

Attributes
  • delay

    0

  • install

    true

  • install_file

    cjkge.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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\934881f5b5df5d4c03ccbb727c72e09ebe691b0c16bd7124d5df638698e60471.exe
    "C:\Users\Admin\AppData\Local\Temp\934881f5b5df5d4c03ccbb727c72e09ebe691b0c16bd7124d5df638698e60471.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cjkge" /tr '"C:\Users\Admin\AppData\Roaming\cjkge.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3724
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "cjkge" /tr '"C:\Users\Admin\AppData\Roaming\cjkge.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5336
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAFE2.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5744
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4436
      • C:\Users\Admin\AppData\Roaming\cjkge.exe
        "C:\Users\Admin\AppData\Roaming\cjkge.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4952
  • C:\Users\Admin\AppData\Roaming\cjkge.exe
    "C:\Users\Admin\AppData\Roaming\cjkge.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4776

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpAFE2.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpAFE2.tmp.bat
        • Size 149B
        • SHA256 b6453602983c596523a0587b0350b905920aa4234f8ce96141a1891bf844d857
        • MD5 SHA1 SHA512 TLSH

        cjkge.exe

        • Path C:\Users\Admin\AppData\Roaming\cjkge.exe
        • Size 45KB
        • SHA256 934881f5b5df5d4c03ccbb727c72e09ebe691b0c16bd7124d5df638698e60471
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2524-0-0x0000000074F52000-0x0000000074F53000-memory.dmp

        memory/2524-1-0x00000000008F0000-0x0000000000902000-memory.dmp

        memory/2524-2-0x0000000074F40000-0x00000000756FC000-memory.dmp

        memory/2524-3-0x0000000005390000-0x000000000542C000-memory.dmp

        memory/2524-13-0x0000000074F40000-0x00000000756FC000-memory.dmp

        memory/4776-11-0x0000000074DD0000-0x000000007558C000-memory.dmp

        memory/4776-14-0x0000000074DD0000-0x000000007558C000-memory.dmp