Managed XDR

vtdl_1732011468_5iu1talg (ZLoader) — malware analysis report

File info

Filename
vtdl_1732011468_5iu1talg
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Author: xXx, Last Saved By: xXx, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Jan 21 14:27:47 2022, Last Saved Time/Date: Fri Jan 21 14:44:50 2022, Security: 0
File size
102.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cc002890d2ceeb9dfab8da4bc6d338d76d7812d9
SHA256
349ed2954b1d71c938684c0583b90b1b5de4eecfc0250c99c124c7031182d1aa
MD5
2ae8f2b08c79e4972f4e301013b5ee13

Malwares

  • ZLoader

Signatures

Execution

T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059.003 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1059.003 suspicious_process: Spawns a suspicious process
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

T1218 suspicious_cmdline: Executes a suspicious command
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1027 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
office_summary: The document contains suspicious metadata
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card

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