Managed XDR

dttcodexgigas.762bf608...d3c5bd598527fb2f73d5ea (Bazar Loader) — malware analysis report

File info

Filename
dttcodexgigas.762bf6080634635957d3c5bd598527fb2f73d5ea
File type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
File size
244.5 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
762bf6080634635957d3c5bd598527fb2f73d5ea
SHA256
2db7dcf5a94b85c70a9d19c77e239f9bf49abf83f02a608dbba117e8942867cc
MD5
33317461182e21c975854b8f3ccd311a

Malwares

  • Bazar Loader

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests
T1059.003 suspicious_process: Spawns a suspicious process

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070.004 self_removal_command: Executes command to delete itself
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

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
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

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
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
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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