Managed XDR

vbs.zip (PlugX) — malware analysis report

File info

Filename
vbs.zip
File type
Zip archive data, at least v2.0 to extract
File size
421.6 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
3201a773b0a3f064bd63481d7c950592894646d6
SHA256
aa5ba9be9f3f7990da96b26f2838d321e33a9395baf3e3ee8e5005a2452fd681
MD5
4a87e1ef1e35eab8b97f5e69a0c127c5

Malwares

  • PlugX

Signatures

Execution

T1559.001 com_exec: Execution of Win32_Process.Create COM Method

Persistence

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

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1070.004 deletes_self: Moves to different location or removes the original executable file
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1140 decompress_pefile: Unpacks a PE file into memory
T1027.002 decompress_pefile: Unpacks a PE file into memory
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 debugs_self: Creates a process and debugs it
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497 debugs_self: Creates a process and debugs it
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
suspicious_process: Spawns a suspicious process
creates_in_windows: Creates files in the Windows directory
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
valid_authenticode: The digital signature has been verified
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
pe_overlay: PE file contains overlay

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