Overview

overview

10

Static

static

10

b31ce85c03...4b.exe

windows10-2004-x64

10

b31ce85c03...4b.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 05:43

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General

  • Target
    b31ce85c03ee6274961d8c0f0d2745e35c5d713e4af500c4cd6f0504f68a264b.exe
  • Size 45KB
  • Sample260703-getm2sby91
  • SHA256 b31ce85c03ee6274961d8c0f0d2745e35c5d713e4af500c4cd6f0504f68a264b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • myzoomboom.com:80

  • myzoomboom.com:22

  • myzoomboom.com:8080

  • myzoomboom.com:8880

  • myzoomboom.com:2052

  • myzoomboom.com:2082

  • myzoomboom.com:2086

  • myzoomboom.com:2095

  • myzoomboom.com:443

  • myzoomboom.com:2053

  • myzoomboom.com:2083

  • myzoomboom.com:2087

  • myzoomboom.com:2096

  • myzoomboom.com:8443

  • www.myzoomboom.com:80

  • www.myzoomboom.com:22

  • www.myzoomboom.com:8080

  • www.myzoomboom.com:8880

  • www.myzoomboom.com:2052

  • www.myzoomboom.com:2082

Mutex

  • EzbtDYnFI1Bc

Attributes
  • delay

    0

  • install

    true

  • install_file

    30zfwxc2.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 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b31ce85c03ee6274961d8c0f0d2745e35c5d713e4af500c4cd6f0504f68a264b.exe
    "C:\Users\Admin\AppData\Local\Temp\b31ce85c03ee6274961d8c0f0d2745e35c5d713e4af500c4cd6f0504f68a264b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "30zfwxc2" /tr '"C:\Users\Admin\AppData\Roaming\30zfwxc2.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "30zfwxc2" /tr '"C:\Users\Admin\AppData\Roaming\30zfwxc2.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5080
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5877.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2472
      • C:\Users\Admin\AppData\Roaming\30zfwxc2.exe
        "C:\Users\Admin\AppData\Roaming\30zfwxc2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2332
  • C:\Users\Admin\AppData\Roaming\30zfwxc2.exe
    "C:\Users\Admin\AppData\Roaming\30zfwxc2.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4128
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1756
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:4728
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
            PID:4700
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
          1⤵
            PID:1696
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3040

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  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

                  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 595B
                  • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                  • MD5 SHA1 SHA512 TLSH
                  Submit Download

                  tmp5877.tmp.bat
                  • Path C:\Users\Admin\AppData\Local\Temp\tmp5877.tmp.bat
                  • Size 152B
                  • SHA256 7555ab37c2540d6074edb6a2f651bd4f1919f3797dc81a0944bc6dbc84ec1204
                  • MD5 SHA1 SHA512 TLSH
                  Submit Download

                  30zfwxc2.exe
                  • Path C:\Users\Admin\AppData\Roaming\30zfwxc2.exe
                  • Size 45KB
                  • SHA256 b31ce85c03ee6274961d8c0f0d2745e35c5d713e4af500c4cd6f0504f68a264b
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  memory/1696-47-0x0000022682A30000-0x0000022682A50000-memory.dmp
                  Download

                  memory/1696-59-0x0000022682C90000-0x0000022682CB0000-memory.dmp
                  Download

                  memory/1696-49-0x0000022682E90000-0x0000022682F90000-memory.dmp
                  Download

                  memory/1696-81-0x0000022694210000-0x0000022694230000-memory.dmp
                  Download

                  memory/1696-37-0x00000226801E0000-0x00000226802E0000-memory.dmp
                  Download

                  memory/3040-203-0x00000201B74C0000-0x00000201B75BF000-memory.dmp
                  Download

                  memory/4128-14-0x00000000744E0000-0x0000000074C9C000-memory.dmp
                  Download

                  memory/4128-12-0x00000000744E0000-0x0000000074C9C000-memory.dmp
                  Download

                  memory/4904-0-0x0000000074662000-0x0000000074663000-memory.dmp
                  Download

                  memory/4904-8-0x0000000074650000-0x0000000074E0C000-memory.dmp
                  Download

                  memory/4904-3-0x00000000053B0000-0x000000000544C000-memory.dmp
                  Download

                  memory/4904-2-0x0000000074650000-0x0000000074E0C000-memory.dmp
                  Download

                  memory/4904-1-0x00000000009B0000-0x00000000009C2000-memory.dmp
                  Download