Managed XDR

vs_virus_varist_clean_903.eml — malware analysis report

File info

Filename
vs_virus_varist_clean_903.eml
File type
SMTP mail, ASCII text, with very long lines
File size
14.8 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ff25cea25887b750ab2fb8a268ab8d1845169a84
SHA256
652c67dd3b43da66dcb7800b8960065c40a220de95c2f0ab17d8de4cee274a66
MD5
0be1d35a4fbc9c11ae949bc379d0dafa

Signatures

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1059.005 bad_vbs: Suspicious VBScript file

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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

T1082 wscript_info_discovery: Collects info about system with Wscript.Shell
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

create_process_failed: Could not start the process
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
checktokenmembership: Checks user token with CheckTokenMembership call