Managed XDR

c-users-user-appdata-l...d80b441e7e79e4074d622c (Conti) — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-bza1es23.fog-62f9c48b218c4cdb08ed76729539a8b6a6aaf2a558d80b441e7e79e4074d622c
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
211.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8ad06a238ffaafb2ad6c314b8e0e8619838c01e0
SHA256
62f9c48b218c4cdb08ed76729539a8b6a6aaf2a558d80b441e7e79e4074d622c
MD5
4c7b36d34c64d733263bfad9af618e50

Malwares

  • Conti

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
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
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)
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

T1114 infostealer_mail: Collects personal data from local email clients

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
no_graphical_activity: No graphic activity
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk

Related reports

Managed XDR