Analysis

  • max time kernel
    151s
  • max time network
    179s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 14:44

General

  • Target
    4f0aea331fa64b460be4330efc54806cfd82292a7748dc2de012af93fc011f76.exe
  • Size 45KB
  • Sample260707-r4f4csfx6x
  • SHA256 4f0aea331fa64b460be4330efc54806cfd82292a7748dc2de012af93fc011f76
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • x.vnphimsexhay.blog:80

  • x.vnphimsexhay.blog:22

  • x.vnphimsexhay.blog:8080

  • x.vnphimsexhay.blog:8880

  • x.vnphimsexhay.blog:2052

  • x.vnphimsexhay.blog:2082

  • x.vnphimsexhay.blog:2086

  • x.vnphimsexhay.blog:2095

  • x.vnphimsexhay.blog:443

  • x.vnphimsexhay.blog:2053

  • x.vnphimsexhay.blog:2083

  • x.vnphimsexhay.blog:2087

  • x.vnphimsexhay.blog:2096

  • x.vnphimsexhay.blog:8443

  • www.x.vnphimsexhay.blog:80

  • www.x.vnphimsexhay.blog:22

  • www.x.vnphimsexhay.blog:8080

  • www.x.vnphimsexhay.blog:8880

  • www.x.vnphimsexhay.blog:2052

  • www.x.vnphimsexhay.blog:2082

Mutex
  • mA1vxfh8WIy7

Attributes
  • delay

    0

  • install

    true

  • install_file

    alz26jq.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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f0aea331fa64b460be4330efc54806cfd82292a7748dc2de012af93fc011f76.exe
    "C:\Users\Admin\AppData\Local\Temp\4f0aea331fa64b460be4330efc54806cfd82292a7748dc2de012af93fc011f76.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "alz26jq" /tr '"C:\Users\Admin\AppData\Roaming\alz26jq.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "alz26jq" /tr '"C:\Users\Admin\AppData\Roaming\alz26jq.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4408
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp331C.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2980
      • C:\Users\Admin\AppData\Roaming\alz26jq.exe
        "C:\Users\Admin\AppData\Roaming\alz26jq.exe"
        3⤵
          PID:4516
    • C:\Users\Admin\AppData\Roaming\alz26jq.exe
      "C:\Users\Admin\AppData\Roaming\alz26jq.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:6084

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp331C.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp331C.tmp.bat
          • Size 151B
          • SHA256 7fc70265d30042919711f5524228517c12770dfdc10cf40bb0d25f10de147f66
          • MD5 SHA1 SHA512 TLSH

          alz26jq.exe

          • Path C:\Users\Admin\AppData\Roaming\alz26jq.exe
          • Size 45KB
          • SHA256 4f0aea331fa64b460be4330efc54806cfd82292a7748dc2de012af93fc011f76
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2452-0-0x0000000074B32000-0x0000000074B33000-memory.dmp

          memory/2452-1-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

          memory/2452-2-0x0000000074B20000-0x00000000752DC000-memory.dmp

          memory/2452-3-0x0000000005790000-0x000000000582C000-memory.dmp

          memory/2452-9-0x0000000074B20000-0x00000000752DC000-memory.dmp

          memory/6084-12-0x0000000074B10000-0x00000000752CC000-memory.dmp

          memory/6084-14-0x0000000074B10000-0x00000000752CC000-memory.dmp