Loading ...

Play interactive tourEdit tour

Analysis Report La factura en cuesti_n.xls

Overview

General Information

Sample Name:La factura en cuesti_n.xls
Analysis ID:289440
MD5:17fd672d74a97b5472d6516e53d3f741
SHA1:73a0519f5c9b7226354a44cb0c9dc767e0d9de1d
SHA256:90a284ae8ac1182749b065bff4633220bd18a6003042d6a2344224ab8a276bbf
Tags:632503817

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score:21
Range:0 - 100
Whitelisted:false
Confidence:80%

Signatures

Yara detected password protected xls with embedded macros
Contains capabilities to detect virtual machines
Unable to load, office file is protected or invalid

Classification

Startup

  • System is w7x64
  • EXCEL.EXE (PID: 2428 cmdline: 'C:\Program Files\Microsoft Office\Office14\EXCEL.EXE' /automation -Embedding MD5: 5FB0A0F93382ECD19F5F499A5CAA59F0)
  • cleanup

Malware Configuration

No configs have been found

Yara Overview

Initial Sample

SourceRuleDescriptionAuthorStrings
La factura en cuesti_n.xlsJoeSecurity_PasswordProtectedXlsWithEmbeddedMacrosYara detected password protected xls with embedded macrosJoe Security

    Sigma Overview

    No Sigma rule has matched

    Signature Overview

    Click to jump to signature section

    Show All Signature Results
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEWindow title found: password
    Source: classification engineClassification label: sus21.expl.winXLS@1/0@0/0
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile created: C:\Users\user\AppData\Local\Temp\CVRCF01.tmpJump to behavior
    Source: La factura en cuesti_n.xlsOLE indicator, Workbook stream: true
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile read: C:\Users\desktop.iniJump to behavior
    Source: Window RecorderWindow detected: More than 3 window changes detected
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEKey opened: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItemsJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dllJump to behavior
    Source: La factura en cuesti_n.xlsInitial sample: OLE indicators vbamacros = False
    Source: La factura en cuesti_n.xlsInitial sample: OLE indicators encrypted = True
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEProcess information set: NOOPENFILEERRORBOXJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEProcess information set: NOOPENFILEERRORBOXJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEProcess information set: NOOPENFILEERRORBOXJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile opened / queried: IDE#CdRomNECVMWar_VMware_SATA_CD01_______________1.00____#6&373888b8&0&1.0.0#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}Jump to behavior

    HIPS / PFW / Operating System Protection Evasion:

    barindex
    Yara detected password protected xls with embedded macrosShow sources
    Source: Yara matchFile source: La factura en cuesti_n.xls, type: SAMPLE

    Mitre Att&ck Matrix

    Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
    Valid AccountsWindows Management InstrumentationPath InterceptionPath InterceptionVirtualization/Sandbox Evasion1OS Credential DumpingSecurity Software Discovery1Remote ServicesData from Local SystemExfiltration Over Other Network MediumData ObfuscationEavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
    Default AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsRootkitLSASS MemoryVirtualization/Sandbox Evasion1Remote Desktop ProtocolData from Removable MediaExfiltration Over BluetoothJunk DataExploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
    Domain AccountsAt (Linux)Logon Script (Windows)Logon Script (Windows)Obfuscated Files or InformationSecurity Account ManagerFile and Directory Discovery1SMB/Windows Admin SharesData from Network Shared DriveAutomated ExfiltrationSteganographyExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
    Local AccountsAt (Windows)Logon Script (Mac)Logon Script (Mac)Binary PaddingNTDSSystem Information Discovery1Distributed Component Object ModelInput CaptureScheduled TransferProtocol ImpersonationSIM Card SwapCarrier Billing Fraud

    Behavior Graph

    Hide Legend

    Legend:

    • Process
    • Signature
    • Created File
    • DNS/IP Info
    • Is Dropped
    • Is Windows Process
    • Number of created Registry Values
    • Number of created Files
    • Visual Basic
    • Delphi
    • Java
    • .Net C# or VB.NET
    • C, C++ or other language
    • Is malicious
    • Internet

    Screenshots

    Thumbnails

    This section contains all screenshots as thumbnails, including those not shown in the slideshow.