Managed XDR

5874159ac61ab0349f29c8...ace320f4a6c6d24abe.exe (Conti, Bazar Loader) — malware analysis report

File info

Filename
5874159ac61ab0349f29c8336c6d31d27c4df181318942ace320f4a6c6d24abe.exe
File type
PE32+ executable (GUI) x86-64, for MS Windows
File size
412.5 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
bfdef5b2854f247ab34667a59f53569da675091c
SHA256
5874159ac61ab0349f29c8336c6d31d27c4df181318942ace320f4a6c6d24abe
MD5
2ca25d8c48231f5dc1b93c200984c499

Malwares

  • Conti
  • Bazar Loader

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 has_wmi: Executes one or several WMI requests
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.003 executes_dropped_cmd: Executes dropped batch files

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
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

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
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

Collection

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

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 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)

Other

yara_rules: Static rules
ransomware_shadowcopy: Removes volume shadow copies
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services

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