Managed XDR

sample.exe.jpg (Conti) — malware analysis report

File info

Filename
sample.exe.jpg
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
465.7 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
81185dd73f2e042a947a1bf77f429de08778b6e9
SHA256
d4de7d7990114c51056afeedb827d880549d5761aac6bdef0f14cb17c25103b3
MD5
e4a4fc96188310b7b07e7c0525b5c0aa

Malwares

  • Conti

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests
T1569.002 persistence_service: Starts newly created service

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1543.003 creates_service: Creates a service

Privilege Escalation

T1068 integrity_level: Process privileges have been escalated
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1543.003 creates_service: Creates a service
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

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)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1486 ransomware_extensions: Ransomware(s) EncRansom indicators detected (specific extension is added to files)
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)

Other

yara_rules: Static rules
ransomware_shadowcopy: Removes volume shadow copies
unsigned_driver_drop: Sample is not signed and drops a device driver
driver_load: Loads a driver
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

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Managed XDR