Managed XDR

f2997ddf28c6998d8fe84a...0babf6f27446948.sample (Bazar Loader, Makop) — malware analysis report

File info

Filename
f2997ddf28c6998d8fe84a398fff7fb8790d382af56f51ac30babf6f27446948.sample
File type
PE32+ executable (GUI) x86-64, for MS Windows
File size
612 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
24d90bcd1439fa798434abc14929278174371ab0
SHA256
f2997ddf28c6998d8fe84a398fff7fb8790d382af56f51ac30babf6f27446948
MD5
02df4c998228b5d4c201d95bf6af91d8

Malwares

  • Bazar Loader
  • Makop

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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

T1497.003 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

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

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
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 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings

Other

yara_rules: Static rules
makop: Ransomware Makop indicators detected
ransomware_shadowcopy: Removes volume shadow copies
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
process_crashed: One of the processes has failed
test_check_service: Starts services
writes_data: Writes big amount of data to disk

Related reports