Managed XDR

who-vorbereiten-des-ar...es-fur-covid-19_v2.xls (ZLoader) — malware analysis report

File info

Filename
who-vorbereiten-des-arbeitsplatzes-fur-covid-19_v2.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Last Saved By: Marcelo, Create Time/Date: Thu Mar 19 13:43:53 2020, Last Saved Time/Date: Mon Mar 23 10:25:01 2020, Security: 0
File size
61 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
67e4f7a6fb03af9a4db9989e07be04205969dece
SHA256
a5ed5b6a208be1397880f5e7922a6b5f58afe0ae38eeb65d344c6e1e50ed5867
MD5
ab24116ffe2768df41a8b2ba00ac4bbb

Malwares

  • ZLoader

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1203 office_exploit_crash: Microsoft Office process crashes (failed exploitation of a vulnerability is possible)
T1064 office_macros_suspicious: Document contains suspicious macro
T1203 office_start_thread: Allocates memory and starts a thread inside an office application
T1204.002 office_strings: Office file contains suspicious strings
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_autoexec: The document contains an auto-start macro

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card

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