Overview

overview

10

Static

static

10

bd2b0ec622...a7.exe

windows10-2004-x64

10

bd2b0ec622...a7.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 12:11

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    bd2b0ec6225ea895f44c0587afecfd7828b9ad44cc4e6cf77c126976088e4ea7.exe
  • Size 45KB
  • Sample260710-pcm2gscv41
  • SHA256 bd2b0ec6225ea895f44c0587afecfd7828b9ad44cc4e6cf77c126976088e4ea7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • vnphimsexhay.blog:80

  • vnphimsexhay.blog:22

  • vnphimsexhay.blog:8080

  • vnphimsexhay.blog:8880

  • vnphimsexhay.blog:2052

  • vnphimsexhay.blog:2082

  • vnphimsexhay.blog:2086

  • vnphimsexhay.blog:2095

  • vnphimsexhay.blog:443

  • vnphimsexhay.blog:2053

  • vnphimsexhay.blog:2083

  • vnphimsexhay.blog:2087

  • vnphimsexhay.blog:2096

  • vnphimsexhay.blog:8443

  • www.vnphimsexhay.blog:80

  • www.vnphimsexhay.blog:22

  • www.vnphimsexhay.blog:8080

  • www.vnphimsexhay.blog:8880

  • www.vnphimsexhay.blog:2052

  • www.vnphimsexhay.blog:2082

Mutex

  • 78aB9FezKVYb

Attributes
  • delay

    0

  • install

    true

  • install_file

    f1jb0.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd2b0ec6225ea895f44c0587afecfd7828b9ad44cc4e6cf77c126976088e4ea7.exe
    "C:\Users\Admin\AppData\Local\Temp\bd2b0ec6225ea895f44c0587afecfd7828b9ad44cc4e6cf77c126976088e4ea7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f1jb0" /tr '"C:\Users\Admin\AppData\Roaming\f1jb0.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6124
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "f1jb0" /tr '"C:\Users\Admin\AppData\Roaming\f1jb0.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4064
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBD2C.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4500
      • C:\Users\Admin\AppData\Roaming\f1jb0.exe
        "C:\Users\Admin\AppData\Roaming\f1jb0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4868
  • C:\Users\Admin\AppData\Roaming\f1jb0.exe
    "C:\Users\Admin\AppData\Roaming\f1jb0.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2924
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1832

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmpBD2C.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpBD2C.tmp.bat
          • Size 149B
          • SHA256 301ff29fcb727e35c2ab477597c2913dc03972132632b9f1541ce070554e6df9
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          f1jb0.exe
          • Path C:\Users\Admin\AppData\Roaming\f1jb0.exe
          • Size 45KB
          • SHA256 bd2b0ec6225ea895f44c0587afecfd7828b9ad44cc4e6cf77c126976088e4ea7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2924-12-0x0000000074310000-0x0000000074ACC000-memory.dmp
          Download

          memory/2924-14-0x0000000074310000-0x0000000074ACC000-memory.dmp
          Download

          memory/4856-0-0x0000000074332000-0x0000000074333000-memory.dmp
          Download

          memory/4856-1-0x00000000001C0000-0x00000000001D2000-memory.dmp
          Download

          memory/4856-2-0x0000000074320000-0x0000000074ADC000-memory.dmp
          Download

          memory/4856-3-0x0000000004CB0000-0x0000000004D4C000-memory.dmp
          Download

          memory/4856-9-0x0000000074320000-0x0000000074ADC000-memory.dmp
          Download