Loading ...

Play interactive tourEdit tour

Analysis Report doc2227740.xls

Overview

General Information

Sample Name:doc2227740.xls
Analysis ID:320290
MD5:b43d8b40f9ef15965d0ff901e30c2f32
SHA1:3c0d89ac4b439b7cf60b6cc6e4195a8ce3514572
SHA256:196588a7404c90ab92502926afa24fbb25bf67c0ad50dba4f7ff4f1937816dda
Tags:xlsZLoader

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score:52
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Multi AV Scanner detection for submitted file
Found Excel 4.0 Macro with suspicious formulas
Document contains embedded VBA macros
JA3 SSL client fingerprint seen in connection with other malware
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Yara detected Xls With Macro 4.0
Yara signature match

Classification

Startup

  • System is w7x64
  • EXCEL.EXE (PID: 2288 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
doc2227740.xlsSUSP_Excel4Macro_AutoOpenDetects Excel4 macro use with auto open / closeJohn Lambert @JohnLaTwC
  • 0x0:$header_docf: D0 CF 11 E0
  • 0xbf4b:$s1: Excel
  • 0xfc43:$s1: Excel
  • 0x10187:$s1: Excel
  • 0x11376:$s1: Excel
  • 0x1574d:$s1: Excel
  • 0x157aa:$s1: Excel
  • 0x157cd:$s1: Excel
  • 0x38c6:$Auto_Close: 18 00 17 00 20 00 00 01 07 00 00 00 00 00 00 00 00 00 00 02 3A
doc2227740.xlsJoeSecurity_XlsWithMacro4Yara detected Xls With Macro 4.0Joe Security

    Sigma Overview

    No Sigma rule has matched

    Signature Overview

    Click to jump to signature section

    Show All Signature Results

    AV Detection:

    barindex
    Multi AV Scanner detection for submitted fileShow sources
    Source: doc2227740.xlsReversingLabs: Detection: 20%
    Source: doc2227740.xlsReversingLabs: Detection: 20%
    Source: global trafficDNS query: name: sherpa.rest
    Source: global trafficDNS query: name: sherpa.rest
    Source: global trafficTCP traffic: 192.168.2.22:49165 -> 104.27.173.15:443
    Source: global trafficTCP traffic: 192.168.2.22:49165 -> 104.27.173.15:443
    Source: global trafficTCP traffic: 192.168.2.22:49165 -> 104.27.173.15:443
    Source: global trafficTCP traffic: 192.168.2.22:49165 -> 104.27.173.15:443
    Source: Joe Sandbox ViewJA3 fingerprint: 7dcce5b76c8b17472d024758970a406b
    Source: Joe Sandbox ViewJA3 fingerprint: 7dcce5b76c8b17472d024758970a406b
    Source: unknownDNS traffic detected: queries for: sherpa.rest
    Source: unknownDNS traffic detected: queries for: sherpa.rest
    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49167
    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49166
    Source: unknownNetwork traffic detected: HTTP traffic on port 49165 -> 443
    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49165
    Source: unknownNetwork traffic detected: HTTP traffic on port 49167 -> 443
    Source: unknownNetwork traffic detected: HTTP traffic on port 49166 -> 443
    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49167
    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49166
    Source: unknownNetwork traffic detected: HTTP traffic on port 49165 -> 443
    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49165
    Source: unknownNetwork traffic detected: HTTP traffic on port 49167 -> 443
    Source: unknownNetwork traffic detected: HTTP traffic on port 49166 -> 443

    System Summary:

    barindex
    Found Excel 4.0 Macro with suspicious formulasShow sources
    Source: doc2227740.xlsInitial sample: EXEC
    Source: doc2227740.xlsInitial sample: EXEC
    Source: doc2227740.xlsOLE indicator, VBA macros: true
    Source: doc2227740.xlsOLE indicator, VBA macros: true
    Source: doc2227740.xls, type: SAMPLEMatched rule: SUSP_Excel4Macro_AutoOpen date = 2020-03-26, author = John Lambert @JohnLaTwC, description = Detects Excel4 macro use with auto open / close, score = 2fb198f6ad33d0f26fb94a1aa159fef7296e0421da68887b8f2548bbd227e58f
    Source: doc2227740.xls, type: SAMPLEMatched rule: SUSP_Excel4Macro_AutoOpen date = 2020-03-26, author = John Lambert @JohnLaTwC, description = Detects Excel4 macro use with auto open / close, score = 2fb198f6ad33d0f26fb94a1aa159fef7296e0421da68887b8f2548bbd227e58f
    Source: classification engineClassification label: mal52.evad.winXLS@1/13@1/1
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile created: C:\Users\user\Application Data\Microsoft\FormsJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile created: C:\Users\user\Application Data\Microsoft\FormsJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile created: C:\Users\user\AppData\Local\Temp\CVRE9E1.tmpJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile created: C:\Users\user\AppData\Local\Temp\CVRE9E1.tmpJump to behavior
    Source: doc2227740.xlsOLE indicator, Workbook stream: true
    Source: doc2227740.xlsOLE indicator, Workbook stream: true
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile read: C:\Users\desktop.iniJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEFile read: C:\Users\desktop.iniJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CAJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CAJump to behavior
    Source: doc2227740.xlsReversingLabs: Detection: 20%
    Source: doc2227740.xlsReversingLabs: Detection: 20%
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEWindow found: window name: SysTabControl32Jump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEWindow found: window name: SysTabControl32Jump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEAutomated click: OK
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEAutomated click: OK
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEAutomated click: OK
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEAutomated click: OK
    Source: Window RecorderWindow detected: More than 3 window changes detected
    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.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: 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: doc2227740.xlsInitial sample: OLE document summary category = PmFbdwr0TuP
    Source: doc2227740.xlsInitial sample: OLE document summary category = PmFbdwr0TuP
    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.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.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.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.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.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.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.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.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.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.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.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.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.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.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.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.EXEProcess information set: NOOPENFILEERRORBOXJump to behavior
    Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXEProcess information set: NOOPENFILEERRORBOXJump to behavior
    Source: Yara matchFile source: doc2227740.xls, type: SAMPLE

    Mitre Att&ck Matrix

    Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
    Valid AccountsScripting11Path InterceptionPath InterceptionMasquerading1OS Credential DumpingFile and Directory Discovery1Remote ServicesData from Local SystemExfiltration Over Other Network MediumEncrypted Channel2Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
    Default AccountsExploitation for Client Execution3Boot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsScripting11LSASS MemorySystem Information Discovery2Remote Desktop ProtocolData from Removable MediaExfiltration Over BluetoothNon-Application Layer Protocol1Exploit 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 ManagerQuery RegistrySMB/Windows Admin SharesData from Network Shared DriveAutomated ExfiltrationApplication Layer Protocol2Exploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data

    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.