Managed XDR

c-windows-ysnz9.exe (Vidar) — malware analysis report

File info

Filename
c-windows-ysnz9.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
1.2 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
d442356165fece917a27b543a2b4eea9af3f8f97
SHA256
134d961d763e204cf686611396ac64ab371d43ee97b51167b4a016af69281af9
MD5
8e3dbc3bf6196a3ed73822dcb616b64d

Malwares

  • Vidar

Signatures

Privilege Escalation

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

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

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
no_graphical_activity: No graphic activity
origin_langid: Unconventional language of the executable file
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

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