Managed XDR

this-again-is-a-transi...efore-to-what-is-right (Conti, Hupigon) — malware analysis report

File info

Filename
this-again-is-a-transition-from-what-was-wrong-before-to-what-is-right
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
964 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
85a0f2e5f3e1c7fb199d6e096061e7e1d8702ad2
SHA256
05da9358f7b42d255c44b96335816088c6f241bf7000b795050a0877ddcb4fec
MD5
a27d6c39da3ddd0dbc08a75b0b075214

Malwares

  • Conti
  • Hupigon

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1546 classes_autorun: Registers new extension and adds execution command

Privilege Escalation

T1546 classes_autorun: Registers new extension and adds execution command
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_contains_pe: One or several unnamed memory regions are PE files
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

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
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
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

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