Managed XDR

vtdl_esa6ezng (Emotet) — malware analysis report

File info

Filename
vtdl_esa6ezng
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Author: COwefQw, Template: Normal.dotm, Last Saved By: vvpDzA1ov, Revision Number: 3, Name of Creating Application: Microsoft Office Word, Create Time/Date: Sun Dec 20 20:39:00 2015, Last Saved Time/Date: Sun Dec 20 22:14:00 2015, Number of Pages: 1, Number of Words: 3736, Number of Characters: 21296, Security: 0
File size
218 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c6beeee33ce1c27e3b6a7371b282afa50ad8e70f
SHA256
13c53c8e2e355b305cd4156912c7cee14c0a7e5d6e962c9ffd165ae2f321e3da
MD5
982d0e4015c9c2c111ca6ccc31ef2902

Malwares

  • Emotet

Signatures

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1059 cmd_vbs: Uses cmd.exe to generate VBS
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1064 office_macros_suspicious: Document contains suspicious macro
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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_suspicious: Document contains suspicious macro
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1064 office_macros: The document contains macro
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

Credential Access

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

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
unexpected_exception: Unexpected exception
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
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
checktokenmembership: Checks user token with CheckTokenMembership call

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