Managed XDR

krona.exe — malware analysis report

File info

Filename
krona.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
File size
280.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a84ca396152fbae986f74587d77cf8437c06ad02
SHA256
0883ac642b0bf299550ec43a54601527b9eb0d79cdc9af5309c03fa26c014a63
MD5
f854a0d7447e43e455f4c24151f12894

Signatures

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

T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 nsis_archive: One of the packages is NSIS archive
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
creates_exe: Creates executable files in the file system
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files