Managed XDR

accounts.xls (ZLoader) — malware analysis report

File info

Filename
accounts.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Kumar, Last Saved By: RMD, Name of Creating Application: Microsoft Excel, Last Printed: Sat Nov 8 21:30:44 2003, Create Time/Date: Wed Jan 5 05:46:20 2000, Last Saved Time/Date: Tue Apr 7 00:11:10 2015, Security: 0
File size
70 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
abe3ba7dc7fbfd765c48c7a140cc7ac275c3054a
SHA256
c12e7ae81e78a275700ffcd3b4f6080ff88183b0136838b8e672e61a53da4100
MD5
4c8fe93bb971de910a49e65066497606

Malwares

  • ZLoader

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1064 office_macros: The document contains macroses (total: 3)
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1064 office_macros: The document contains macroses (total: 3)
T1055 injection_failed: The attempt to inject into a process has failed

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1057 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
office_summary: The document contains suspicious metadata
office_suspicious_data: Office file contains suspicious data
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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