Managed XDR

c-users-user-appdata-l...df536ae2f6fa1e15c1.tmp (Cobalt Strike) — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-df536ae2f6fa1e15c1.tmp
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 936, Author: ld, Template: Normal.dotm, Last Saved By: ld, Revision Number: 3, Name of Creating Application: Microsoft Office Word, Total Editing Time: 02:00, Create Time/Date: Tue Nov 11 02:33:00 2025, Last Saved Time/Date: Tue Nov 11 02:36:00 2025, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
44 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
6ddb9673cfc8467db1451738f35ddbf6a6711c8e
SHA256
43da5eb774f5bbb35013c9f2f54d9906e3dec7c30710d3aa87b7b1a2b84eb659
MD5
ad0b4c9ee062e2151c15652f4f269870

Malwares

  • Cobalt Strike

Signatures

Execution

T1203 office_runs_dll: Suspicious document behaviour (tries to execute dll file)
T1559 suspicious_process: Spawns a suspicious process
T1203 office_start_thread: Allocates memory and starts a thread inside an office application
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document 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)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

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

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
shellcode_wininet: Wininet-shellcode behaviour detected
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
suspicious_process_network: Unusual process network activity detected
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

Related reports