Managed XDR

c-users-user-appdata-l...v1.1.0-readme.docx.lnk (LummaC2) — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-vhpyq03m.5bx-v1.1.0-readme.docx.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has command line arguments, Icon number=0, Archive, ctime=Thu Aug 29 14:52:48 2024, mtime=Fri Dec 20 18:05:41 2024, atime=Thu Aug 29 14:52:48 2024, length=455680, window=hide
File size
2.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
df5977d0a9b4b6ed5d0b758f77a26b46a6a485ec
SHA256
802f56cc84689a68112a2cf76ddce70e1e3956038e19bb8c58f74d5713d72a5f
MD5
5b1396364c0c0d20ab3dc4767dcb8e91

Malwares

  • LummaC2

Signatures

Execution

T1059 autoit: AutoIt script execution detected
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process
T1047 has_wmi: Executes one or several WMI requests
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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

T1140 unpacking_utilities: Uses Windows utilities to unpack data
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

T1552 cookie_files: Accesses cookie files
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1555.003 cookie_files: Accesses cookie files

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1082 reads_csrss: Attempts to read csrss.exe memory

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1568.002 dga_domains: Connects to DGA domains
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
drops_interpreter: Creates intrepreter binary file
kills_explorer: Terminates explorer.exe process
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
executes_dropped_exe: Executes dropped exe files
unexpected_exception: Unexpected exception
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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