Managed XDR

alluserprofile-microso...grams-startup-7766.exe (Conti, Makop) — malware analysis report

File info

Filename
alluserprofile-microsoft-windows-start-menu-programs-startup-7766.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
483.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
b13c143777716a3fe9603ff27ad141c36cb076ea
SHA256
eca1731450c345307f78777e895d209f9ba060ec5e8f7c8a6600a27b63af59b0
MD5
5622d2fa7996b40de7e0fb7a09e44584

Malwares

  • Conti
  • Makop

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
T1547.001 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
T1547.001 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
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 stealth_window: A process created a hidden window
T1027.002 packer_entropy: Probably contains compressed or encrypted data

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 cookie_files: Accesses cookie files
T1555.003 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
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

Collection

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)

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)
creates_exe: Creates executable files in the file system
unexpected_exception: Unexpected exception
get_policy_info: Retrieves information about a Policy object
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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