Managed XDR

r503749j637r01.pdf.lnk (Koadic) — malware analysis report

File info

Filename
r503749j637r01.pdf.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Description string, Has Relative path, Has Working directory, Has command line arguments, Icon number=11, Archive, ctime=Mon Sep 22 12:43:34 2025, mtime=Mon Sep 22 12:43:34 2025, atime=Mon Sep 22 12:43:34 2025, length=176128, window=hidenormalshowminimized
File size
1.4 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
6937874c0cc01909dbd7c260599d4af69e14e823
SHA256
9b32646ee1426ae2eade7460c028c61df0d3b12fcb4ea25d3d4c9336ec2c76ab
MD5
5cbc347a3417476cd84c441aab9b8223

Malwares

  • Koadic

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.003 url_cmdline: Cmdline of process contains URL

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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1218 suspicious_cmdline: Executes a suspicious command
T1070 stealth_window: A process created a hidden window
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
unexpected_exception: Unexpected exception
network_powershell: Powershell process network connection detected
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
js_suspicious: Suspicious javascript
suricata_alert: Malicious traffic detected

Related reports

Managed XDR