Managed XDR

c73un79.exe (GandCrab) — malware analysis report

File info

Filename
c73un79.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
342.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
af57e00438e62293c58924cf202a9f660625b899
SHA256
30f431a8ba4403c8b9c4c20b30786a42bec092bee80ee1bbabbf5a11da7e4d2c
MD5
9665f1b35ec3c67e74952d52676d81d7

Malwares

  • GandCrab

Signatures

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1562.001 disables_security: Disables Windows Security options
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1112 wu_server: Sets or changes an update server used by Windows Update
T1562.001 disables_windowsupdate: Disables Windows Auto Updates
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Impact

T1489 stops_service: Stops Windows services
T1489 change_service_config: Stops services via ChangeServiceConfig
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
open_winlogon_process: Trying to open winlogon process

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