Managed XDR

0ccca32a4c7d7c5379ffd8e690f3e079.virus (Vidar) — malware analysis report

File info

Filename
0ccca32a4c7d7c5379ffd8e690f3e079.virus
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
404.4 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
84549cfffc4f1c51098f27476c4300f9c176f8dd
SHA256
2f2455218db6435c8c939194f2dc43f6a0a49e8cdbbfccbc01a13e88627ee9cd
MD5
0ccca32a4c7d7c5379ffd8e690f3e079

Malwares

  • Vidar

Signatures

Resource Development

T1585.001 social_telegram: Connects to Telegram (potentially for information gathering)
T1586.001 social_telegram: Connects to Telegram (potentially for information gathering)

Persistence

T1546.010 persistence_autorun: Makes itself run automatically on Windows startup
T1546.010 installs_appinit: Installs itself in AppInit to inject into new processes
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1546.010 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1546.010 installs_appinit: Installs itself in AppInit to inject into new processes
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
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.001 antivm_queries_computername: Retrieves the computer name
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
multiple_useragents: Uses more than one unique User-Agent
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay

Related reports