Analysis

  • max time kernel
    119s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 09:09

General

  • Target
    SecuriteInfo.com.Win32.PWSX-gen.23295.9805.exe
  • Size 782KB
  • Sample240809-k4mgtayekj
  • SHA256 9f7e2df5f136561e2c0bc3d0c32e70ee27073767dff963e592b749d8241df5d2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23295.9805.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23295.9805.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZsqrQcXa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZsqrQcXa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB89.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3748
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23295.9805.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23295.9805.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3408

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_0dalo3tw.wcj.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0dalo3tw.wcj.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpEB89.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpEB89.tmp
        • Size 1KB
        • SHA256 59f7c1d3e1da889b8f67352d82caceccdf66e0254441034c827db5244611d643
        • MD5 SHA1 SHA512

        memory/2232-6-0x0000000005080000-0x000000000511C000-memory.dmp

        memory/2232-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp

        memory/2232-4-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/2232-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

        memory/2232-24-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/2232-7-0x0000000007A60000-0x0000000007A7A000-memory.dmp

        memory/2232-8-0x00000000060D0000-0x00000000060DE000-memory.dmp

        memory/2232-9-0x00000000060E0000-0x00000000060F6000-memory.dmp

        memory/2232-10-0x00000000047F0000-0x000000000487C000-memory.dmp

        memory/2232-2-0x0000000005410000-0x00000000059B4000-memory.dmp

        memory/2232-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

        memory/2232-1-0x0000000000340000-0x000000000040A000-memory.dmp

        memory/2340-28-0x0000000004CC0000-0x0000000004D26000-memory.dmp

        memory/2340-52-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

        memory/2340-65-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/2340-22-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/2340-62-0x0000000007220000-0x0000000007228000-memory.dmp

        memory/2340-17-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/2340-29-0x00000000054D0000-0x0000000005536000-memory.dmp

        memory/2340-18-0x0000000004EA0000-0x00000000054C8000-memory.dmp

        memory/2340-15-0x00000000022E0000-0x0000000002316000-memory.dmp

        memory/2340-25-0x0000000004C20000-0x0000000004C42000-memory.dmp

        memory/2340-37-0x0000000005640000-0x0000000005994000-memory.dmp

        memory/2340-61-0x0000000007240000-0x000000000725A000-memory.dmp

        memory/2340-38-0x0000000005BE0000-0x0000000005BFE000-memory.dmp

        memory/2340-40-0x0000000005C00000-0x0000000005C4C000-memory.dmp

        memory/2340-41-0x0000000006B60000-0x0000000006B92000-memory.dmp

        memory/2340-19-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/2340-42-0x0000000070A00000-0x0000000070A4C000-memory.dmp

        memory/2340-53-0x0000000006BD0000-0x0000000006C73000-memory.dmp

        memory/2340-54-0x0000000007540000-0x0000000007BBA000-memory.dmp

        memory/2340-55-0x0000000006F00000-0x0000000006F1A000-memory.dmp

        memory/2340-56-0x0000000006F70000-0x0000000006F7A000-memory.dmp

        memory/2340-57-0x0000000007180000-0x0000000007216000-memory.dmp

        memory/2340-58-0x0000000007100000-0x0000000007111000-memory.dmp

        memory/2340-59-0x0000000007130000-0x000000000713E000-memory.dmp

        memory/2340-60-0x0000000007140000-0x0000000007154000-memory.dmp

        memory/3408-39-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/3408-23-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/3408-20-0x0000000000400000-0x000000000044A000-memory.dmp

        memory/3408-66-0x00000000069B0000-0x0000000006B72000-memory.dmp

        memory/3408-67-0x0000000006840000-0x0000000006890000-memory.dmp

        memory/3408-68-0x00000000070B0000-0x00000000075DC000-memory.dmp

        memory/3408-69-0x0000000074F70000-0x0000000075720000-memory.dmp