Analysis

  • max time kernel
    103s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/07/2025, 14:17

General

  • Target
    f1afab33fee564c87a2130d066e941f4fa5e6cef5e9368834063e71f793a353d.exe
  • Size 971KB
  • Sample250707-rlwfbssrt4
  • SHA256 f1afab33fee564c87a2130d066e941f4fa5e6cef5e9368834063e71f793a353d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1afab33fee564c87a2130d066e941f4fa5e6cef5e9368834063e71f793a353d.exe
    "C:\Users\Admin\AppData\Local\Temp\f1afab33fee564c87a2130d066e941f4fa5e6cef5e9368834063e71f793a353d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f1afab33fee564c87a2130d066e941f4fa5e6cef5e9368834063e71f793a353d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YaxonjAzvbFv.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YaxonjAzvbFv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC302.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2708
    • C:\Users\Admin\AppData\Local\Temp\f1afab33fee564c87a2130d066e941f4fa5e6cef5e9368834063e71f793a353d.exe
      "C:\Users\Admin\AppData\Local\Temp\f1afab33fee564c87a2130d066e941f4fa5e6cef5e9368834063e71f793a353d.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:996

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 d28cb0c6b605df83c75e1f08dc1a38b66b4ba32e2a2b56cb7ab149dbc12ed55a
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_thn3mmlb.qvt.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_thn3mmlb.qvt.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpC302.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpC302.tmp
        • Size 1KB
        • SHA256 0e399d4922aa49f3089286a23b8e38d9ca339f8286096d76e6b4af3e11ce73ea
        • MD5 SHA1 SHA512

        memory/996-43-0x0000000000400000-0x0000000000487000-memory.dmp

        memory/996-42-0x0000000000400000-0x0000000000487000-memory.dmp

        memory/4688-3-0x0000000005A60000-0x0000000005A70000-memory.dmp

        memory/4688-7-0x0000000005A60000-0x0000000005A70000-memory.dmp

        memory/4688-8-0x0000000006BA0000-0x0000000006C72000-memory.dmp

        memory/4688-6-0x0000000005A50000-0x0000000005A64000-memory.dmp

        memory/4688-5-0x0000000005B60000-0x0000000005BFC000-memory.dmp

        memory/4688-4-0x0000000005900000-0x000000000590A000-memory.dmp

        memory/4688-2-0x0000000005840000-0x00000000058D2000-memory.dmp

        memory/4688-0-0x0000000000D60000-0x0000000000E58000-memory.dmp

        memory/4688-1-0x0000000005DF0000-0x0000000006394000-memory.dmp

        memory/5056-18-0x00000000048F0000-0x0000000004900000-memory.dmp

        memory/5056-21-0x0000000005560000-0x00000000055C6000-memory.dmp

        memory/5056-22-0x0000000005700000-0x0000000005766000-memory.dmp

        memory/5056-20-0x0000000004D90000-0x0000000004DB2000-memory.dmp

        memory/5056-87-0x00000000073C0000-0x00000000073CE000-memory.dmp

        memory/5056-17-0x00000000048F0000-0x0000000004900000-memory.dmp

        memory/5056-60-0x0000000070DA0000-0x0000000070DEC000-memory.dmp

        memory/5056-88-0x00000000073D0000-0x00000000073E4000-memory.dmp

        memory/5056-73-0x0000000006440000-0x000000000645E000-memory.dmp

        memory/5056-59-0x0000000006E10000-0x0000000006E42000-memory.dmp

        memory/5084-37-0x0000000005EE0000-0x0000000006234000-memory.dmp

        memory/5084-61-0x0000000070DA0000-0x0000000070DEC000-memory.dmp

        memory/5084-48-0x00000000069F0000-0x0000000006A3C000-memory.dmp

        memory/5084-46-0x0000000006480000-0x000000000649E000-memory.dmp

        memory/5084-81-0x00000000076A0000-0x0000000007743000-memory.dmp

        memory/5084-82-0x0000000007E10000-0x000000000848A000-memory.dmp

        memory/5084-83-0x00000000077C0000-0x00000000077DA000-memory.dmp

        memory/5084-84-0x0000000007830000-0x000000000783A000-memory.dmp

        memory/5084-85-0x0000000007A40000-0x0000000007AD6000-memory.dmp

        memory/5084-86-0x00000000079C0000-0x00000000079D1000-memory.dmp

        memory/5084-16-0x0000000005690000-0x0000000005CB8000-memory.dmp

        memory/5084-15-0x0000000002C20000-0x0000000002C30000-memory.dmp

        memory/5084-89-0x0000000007B00000-0x0000000007B1A000-memory.dmp

        memory/5084-90-0x0000000007AE0000-0x0000000007AE8000-memory.dmp

        memory/5084-14-0x0000000002C20000-0x0000000002C30000-memory.dmp

        memory/5084-13-0x0000000002BA0000-0x0000000002BD6000-memory.dmp