Managed XDR

lockbit_cc2adc4990b65cf2.exe (Lockbit) — malware analysis report

File info

Filename
lockbit_cc2adc4990b65cf2.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
862.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
07d28a02c99b65db91e69b3f45c12cff7fe72b4d
SHA256
ea028ec3efaab9a3ce49379fef714bef0b120661dcbb55fcfab5c4f720598477
MD5
d5436df39096935f655022a5ea85066e

Malwares

  • Lockbit

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.009 suspicious_desktop_ini: Creates desktop.ini file with suspicious content

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.009 suspicious_desktop_ini: Creates desktop.ini file with suspicious content
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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 antivm_queries_computername: Retrieves the computer name

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 ransomware_extensions: Ransomware(s) Lockbit indicators detected (specific extension is added to files)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1486 ransomware_files: Ransomware indicators detected Lockbit (creates keys and the instruction on how to unlock the files)

Other

yara_rules: Static rules
ce_info: Lockbit Configuration Data found
lockbit: Detected ransomware Lockbit
creates_in_windows: Creates files in the Windows directory
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

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