Managed XDR

vkjoavgot.exe — malware analysis report

File info

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

Environment

win7/x86 en

Hashes

SHA1
da97e77f367c3a202f35740a7df488f2e261de12
SHA256
6e5f91ef6dbd7a27c083cbb0daa759a6d23a9004941fa840a720924ebe14e14c
MD5
ffb6628db2b82d8fc78b0e0b3894180b

Signatures

Execution

T1059.001 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1089 disables_smartscreen: Modifies or disables Windows SmartScreen
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1027.002 nsis_archive: One of the packages is NSIS archive
T1562 disables_etw: Attempt to disable security Windows Event Logging

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 locates_browser: Attempts to identify where browsers are installed

Other

yara_rules: Static rules
creates_many_processes: Spawns a lot of processes (over 70)
create_process_failed: Could not start the process
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
require_administrator: Requests administrator privileges
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