Managed XDR

c0r5923t198994647.eml (Koadic) — malware analysis report

File info

Filename
c0r5923t198994647.eml
File type
SMTP mail, ASCII text, with very long lines
File size
884.1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4c5200f5d2aeb3be763f426d3bd1ed1f26832c10
SHA256
4633e944b047fe987e70fd3986dd107d433565a023228f7bc9565425d8bef3a3
MD5
5447591c7e0088262c33641ef57d49f3

Malwares

  • Koadic

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1204.002 mimics_extension: Attempts to mimic the file extension
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1548.002 uac_bypass_mocking_dir: UAC bypass with the use of mocking directory
T1055.012 injection_runpe: Injects code into another process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 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

T1548.002 uac_bypass_mocking_dir: UAC bypass with the use of mocking directory
T1055.012 injection_runpe: Injects code into another process
T1036 copies_utilities: Copies and runs system utility with different name
T1036 mimics_extension: Attempts to mimic the file extension
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_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
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name
T1016.001 system_network_configuration_discovery: System network configuration discovery detected

Command and Control

T1105 lolbin_extrac32: Download or Copy file with Extrac32
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
unpacker_wrong_base: Possibly, an error occured in the file unpacker
creates_in_windows: Creates files in the Windows directory
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
enables_execute_access_on_stack: Enable execution access on stack
suricata_alert: Malicious traffic detected

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