Managed XDR

be122a6fd724172b5c7a3b12b41ef1bc.virus — malware analysis report

File info

Filename
be122a6fd724172b5c7a3b12b41ef1bc.virus
File type
PE32 executable (console) Intel 80386, for MS Windows
File size
993 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c090ad1bce1b553c380345d88a21421e42b0c12d
SHA256
52743192c44142617a004355b1974c72babf0ad1b97e5cca761492fa5f3a123f
MD5
be122a6fd724172b5c7a3b12b41ef1bc

Signatures

Execution

T1059.001 powershell_through_runspace: Executes powershell script without spawning powershell.exe process

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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

T1070 stealth_webhistory: Clears browsing history
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1562 firewall_disable: Disables Firewall
T1497 evasion_prefetch: Attempts to detect Sandbox by process run count
T1497 evasion_winlogon: Attempts to detect Sandbox by winlogon sessions
T1027.002 packer_entropy: Probably contains compressed or encrypted 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 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
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
T1497 evasion_prefetch: Attempts to detect Sandbox by process run count
T1497 evasion_winlogon: Attempts to detect Sandbox by winlogon sessions

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1490 wbadmin_delete_backup: Removes system backup copies using wbadmin utility
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings
T1489 net_stop: Stops services through the use of net stop

Other

yara_rules: Static rules
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
creates_exe: Creates executable files in the file system
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
suricata_alert: Malicious traffic detected
creates_doc: Creates (office) documents in the file system
unsigned_driver_drop: Sample is not signed and drops a device driver
has_pdb: This executable file has a PDB path
break_limit_exceeded: Warning: function calls limit has been exceeded
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk