Managed XDR

icon_samples-1e3bf358c...a4fa6340e62d986770.exe (Lockbit) — malware analysis report

File info

Filename
icon_samples-1e3bf358c76f4030ffc4437d5fcd80c54bd91b361abb43a4fa6340e62d986770.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
File size
77.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
5ecc1abbc0e380fd97fd424297f624f91f9857ce
SHA256
d2338d2c70dc9a5bd6a1ae16a2e9a1b0fd068324a0c6357c2949dbb60001e2ae
MD5
d7c618511b37457f8135a546a16ba9e5

Malwares

  • Lockbit

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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 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_upx: The executable file is compressed using UPX
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window
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

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
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1490 wbadmin_delete_backup: Removes system backup copies using wbadmin utility
T1486 ransomware_files: Ransomware indicators detected Lockbit (creates keys and the instruction on how to unlock the files)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
ce_info: Lockbit Configuration Data found
lockbit: Detected ransomware Lockbit
ransomware_shadowcopy: Removes volume shadow copies
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
create_process_failed: Could not start the process
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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