Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 14:18

General

  • Target
    1063ac7409ca34866d11e5a81fa2cbb9f6920f09988d918e45a16cf01fb08396.exe
  • Size 45KB
  • Sample260717-rmcdvac12j
  • SHA256 1063ac7409ca34866d11e5a81fa2cbb9f6920f09988d918e45a16cf01fb08396
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • vuasexviet.com:80

  • vuasexviet.com:22

  • vuasexviet.com:8080

  • vuasexviet.com:8880

  • vuasexviet.com:2052

  • vuasexviet.com:2082

  • vuasexviet.com:2086

  • vuasexviet.com:2095

  • vuasexviet.com:443

  • vuasexviet.com:2053

  • vuasexviet.com:2083

  • vuasexviet.com:2087

  • vuasexviet.com:2096

  • vuasexviet.com:8443

  • www.vuasexviet.com:80

  • www.vuasexviet.com:22

  • www.vuasexviet.com:8080

  • www.vuasexviet.com:8880

  • www.vuasexviet.com:2052

  • www.vuasexviet.com:2082

Mutex
  • 1oCDiYR4EJYS

Attributes
  • delay

    0

  • install

    true

  • install_file

    bb7eezb4.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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1063ac7409ca34866d11e5a81fa2cbb9f6920f09988d918e45a16cf01fb08396.exe
    "C:\Users\Admin\AppData\Local\Temp\1063ac7409ca34866d11e5a81fa2cbb9f6920f09988d918e45a16cf01fb08396.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "bb7eezb4" /tr '"C:\Users\Admin\AppData\Roaming\bb7eezb4.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "bb7eezb4" /tr '"C:\Users\Admin\AppData\Roaming\bb7eezb4.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2512
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp70A2.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3132
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5956
      • C:\Users\Admin\AppData\Roaming\bb7eezb4.exe
        "C:\Users\Admin\AppData\Roaming\bb7eezb4.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3704
  • C:\Users\Admin\AppData\Roaming\bb7eezb4.exe
    "C:\Users\Admin\AppData\Roaming\bb7eezb4.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2772
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1380

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp70A2.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp70A2.tmp.bat
          • Size 152B
          • SHA256 609bc8ee72bdb1d8965303e81dbb6b0cd2dd905ebd95ef83001666b30053f2f3
          • MD5 SHA1 SHA512 TLSH

          bb7eezb4.exe

          • Path C:\Users\Admin\AppData\Roaming\bb7eezb4.exe
          • Size 45KB
          • SHA256 1063ac7409ca34866d11e5a81fa2cbb9f6920f09988d918e45a16cf01fb08396
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2184-0-0x0000000074CE2000-0x0000000074CE3000-memory.dmp

          memory/2184-1-0x00000000005D0000-0x00000000005E2000-memory.dmp

          memory/2184-2-0x0000000074CD0000-0x000000007548C000-memory.dmp

          memory/2184-3-0x0000000005040000-0x00000000050DC000-memory.dmp

          memory/2184-8-0x0000000074CD0000-0x000000007548C000-memory.dmp

          memory/2772-12-0x0000000074B00000-0x00000000752BC000-memory.dmp

          memory/2772-14-0x0000000074B00000-0x00000000752BC000-memory.dmp