Managed XDR

winrar-archive.rar — malware analysis report

File info

Filename
winrar-archive.rar
File type
RAR archive data, v5
File size
2.2 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d75a10eea7e666a028a8dc7397a8e314244ba7e5
SHA256
28d9411bcd7b43ec851a1f0de59441a37fac9b41e824941cfec124f9030cc03b
MD5
c8d02596643d83191e56803a1d59cf0c

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1480 system_default_lang_id_present: Checks the system language
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

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_im: Collects information about installed messengers
T1552 infostealer_ftp: Collects data from local FTP clients
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 reads_csrss: Attempts to read csrss.exe memory

Other

yara_rules: Static rules
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process