Managed XDR

testing.docm (Cobalt Strike) — malware analysis report

File info

Filename
testing.docm
File type
Microsoft Word 2007+
File size
22.6 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
0c7d8730c5173f68d6b3aea4999c25519c1ad5c9
SHA256
a3806f259e252702af9be295bf6f990eadd852070216c247f51997fbc1665023
MD5
f74d317b294393ed451e5719abb2ed15

Malwares

  • Cobalt Strike

Signatures

Execution

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_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)
T1064 office_macros: The document contains macro
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_suspicious: Document contains suspicious 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
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1032 internet_security_options: Sets Internet connections options that are not secure
T1071 internet_security_options: Sets Internet connections options that are not secure
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

shellcode_wininet: Wininet-shellcode behaviour detected
dead_host_suspicious: Connects to IP addresses with suspicious port that do not respond (possible Meterpreter)
test_check_service: Starts services
writes_data: Writes big amount of data to disk
yara_rules: Static rules

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