Overview

overview

10

Static

static

10

c0855a8428...5d.exe

windows10-2004-x64

10

c0855a8428...5d.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 14:56

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    c0855a8428bb18e0ff4256de1f78a6d101c08b3e053624f98633fee9669ec85d.exe
  • Size 45KB
  • Sample260703-sbgpvsbv3w
  • SHA256 c0855a8428bb18e0ff4256de1f78a6d101c08b3e053624f98633fee9669ec85d
  • 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

  • yolwqtBjO2FF

Attributes
  • delay

    0

  • install

    true

  • install_file

    erwxc0p.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\c0855a8428bb18e0ff4256de1f78a6d101c08b3e053624f98633fee9669ec85d.exe
    "C:\Users\Admin\AppData\Local\Temp\c0855a8428bb18e0ff4256de1f78a6d101c08b3e053624f98633fee9669ec85d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "erwxc0p" /tr '"C:\Users\Admin\AppData\Roaming\erwxc0p.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "erwxc0p" /tr '"C:\Users\Admin\AppData\Roaming\erwxc0p.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3852
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp337A.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2644
      • C:\Users\Admin\AppData\Roaming\erwxc0p.exe
        "C:\Users\Admin\AppData\Roaming\erwxc0p.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1064
  • C:\Users\Admin\AppData\Roaming\erwxc0p.exe
    "C:\Users\Admin\AppData\Roaming\erwxc0p.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3344
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:1000
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:356
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:4812
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:4576

          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 607B
                • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                tmp337A.tmp.bat
                • Path C:\Users\Admin\AppData\Local\Temp\tmp337A.tmp.bat
                • Size 151B
                • SHA256 9c7b79eb8c390ffc04b0b37f198adc03670b23bc96bcd7a49af8558a966ecb8a
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                erwxc0p.exe
                • Path C:\Users\Admin\AppData\Roaming\erwxc0p.exe
                • Size 45KB
                • SHA256 c0855a8428bb18e0ff4256de1f78a6d101c08b3e053624f98633fee9669ec85d
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/3344-12-0x0000000074B90000-0x000000007534C000-memory.dmp
                Download

                memory/3344-14-0x0000000074B90000-0x000000007534C000-memory.dmp
                Download

                memory/4576-208-0x0000029A806D0000-0x0000029A8098C000-memory.dmp
                Download

                memory/4576-199-0x0000029A806D0000-0x0000029A8098C000-memory.dmp
                Download

                memory/4812-62-0x000001E404210000-0x000001E404230000-memory.dmp
                Download

                memory/4812-16-0x000001E4001E0000-0x000001E4002E0000-memory.dmp
                Download

                memory/4812-17-0x000001E4001E0000-0x000001E4002E0000-memory.dmp
                Download

                memory/4812-29-0x000001E403A30000-0x000001E403A50000-memory.dmp
                Download

                memory/4812-30-0x000001E403E90000-0x000001E403F90000-memory.dmp
                Download

                memory/4812-43-0x000001E403C90000-0x000001E403CB0000-memory.dmp
                Download

                memory/6100-8-0x0000000074D00000-0x00000000754BC000-memory.dmp
                Download

                memory/6100-0-0x0000000074D12000-0x0000000074D13000-memory.dmp
                Download

                memory/6100-3-0x00000000053E0000-0x000000000547C000-memory.dmp
                Download

                memory/6100-2-0x0000000074D00000-0x00000000754BC000-memory.dmp
                Download

                memory/6100-1-0x0000000000970000-0x0000000000982000-memory.dmp
                Download