Overview

overview

10

Static

static

10

32c84f4aa4...22.exe

windows10-2004-x64

10

32c84f4aa4...22.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 09:38

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General

  • Target
    32c84f4aa4876348ca7f2f18a0e4a5f99ca3ebe90e33114e88c108fee8680122.exe
  • Size 45KB
  • Sample260707-ll5fcaey2t
  • SHA256 32c84f4aa4876348ca7f2f18a0e4a5f99ca3ebe90e33114e88c108fee8680122
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • jav69.blog:80

  • jav69.blog:22

  • jav69.blog:8080

  • jav69.blog:8880

  • jav69.blog:2052

  • jav69.blog:2082

  • jav69.blog:2086

  • jav69.blog:2095

  • jav69.blog:443

  • jav69.blog:2053

  • jav69.blog:2083

  • jav69.blog:2087

  • jav69.blog:2096

  • jav69.blog:8443

  • www.jav69.blog:80

  • www.jav69.blog:22

  • www.jav69.blog:8080

  • www.jav69.blog:8880

  • www.jav69.blog:2052

  • www.jav69.blog:2082

Mutex

  • 9JC5botC4g1l

Attributes
  • delay

    0

  • install

    true

  • install_file

    grw91.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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32c84f4aa4876348ca7f2f18a0e4a5f99ca3ebe90e33114e88c108fee8680122.exe
    "C:\Users\Admin\AppData\Local\Temp\32c84f4aa4876348ca7f2f18a0e4a5f99ca3ebe90e33114e88c108fee8680122.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "grw91" /tr '"C:\Users\Admin\AppData\Roaming\grw91.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "grw91" /tr '"C:\Users\Admin\AppData\Roaming\grw91.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2868
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4B86.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3844
      • C:\Users\Admin\AppData\Roaming\grw91.exe
        "C:\Users\Admin\AppData\Roaming\grw91.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1888
  • C:\Users\Admin\AppData\Roaming\grw91.exe
    "C:\Users\Admin\AppData\Roaming\grw91.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:932
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:1816
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:5100
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:5700
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:5140

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                prep_Activatable Class_Hermes_perf.cache
                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 599B
                • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                tmp4B86.tmp.bat
                • Path C:\Users\Admin\AppData\Local\Temp\tmp4B86.tmp.bat
                • Size 149B
                • SHA256 6026d496ec5a6b8554047bcfbc5983934496ade93a047dd72e589f7168db6a62
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                grw91.exe
                • Path C:\Users\Admin\AppData\Roaming\grw91.exe
                • Size 45KB
                • SHA256 32c84f4aa4876348ca7f2f18a0e4a5f99ca3ebe90e33114e88c108fee8680122
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/932-14-0x0000000074480000-0x0000000074C3C000-memory.dmp
                Download

                memory/932-12-0x0000000074480000-0x0000000074C3C000-memory.dmp
                Download

                memory/2360-8-0x0000000074650000-0x0000000074E0C000-memory.dmp
                Download

                memory/2360-0-0x0000000074662000-0x0000000074663000-memory.dmp
                Download

                memory/2360-3-0x00000000054B0000-0x000000000554C000-memory.dmp
                Download

                memory/2360-2-0x0000000074650000-0x0000000074E0C000-memory.dmp
                Download

                memory/2360-1-0x00000000009A0000-0x00000000009B2000-memory.dmp
                Download

                memory/5700-76-0x0000021D141D0000-0x0000021D141F0000-memory.dmp
                Download

                memory/5700-32-0x0000021D02A30000-0x0000021D02A50000-memory.dmp
                Download

                memory/5700-33-0x0000021D02E90000-0x0000021D02F90000-memory.dmp
                Download

                memory/5700-18-0x0000021D001E0000-0x0000021D002E0000-memory.dmp
                Download

                memory/5700-17-0x0000021D001E0000-0x0000021D002E0000-memory.dmp
                Download

                memory/5700-16-0x0000021D001E0000-0x0000021D002E0000-memory.dmp
                Download

                memory/5700-36-0x0000021D02D70000-0x0000021D02D90000-memory.dmp
                Download