Managed XDR

wextract.exe-.mui (Rhadamanthys Stealer) — malware analysis report

File info

Filename
wextract.exe-.mui
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
1.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c1658e7bfec47714bc0985c4e90466843bc4ac1a
SHA256
98324615783c0432703d3fc726b0275b78051f08854f99e5eabc1f3ac05cb60f
MD5
760519d25f6bde971da5b5a1f9ac8a1f

Malwares

  • Rhadamanthys Stealer

Signatures

Execution

T1059 autoit: AutoIt script execution detected
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
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

T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_virtualpc: Attempts to detect VirtualPC
T1497.001 antisandbox_sunbelt: Attempts to detect SunBelt Sandbox
T1497.001 antisandbox_file: Attempts to detect a sandbox (checks the file name)
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1027.002 packer_enigma: Enigma protector indicators detected
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_directory_objects: Scans directory objects, possibly to find VM indicators
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

T1497.001 antivm_virtualpc: Attempts to detect VirtualPC
T1497.001 antisandbox_sunbelt: Attempts to detect SunBelt Sandbox
T1497.001 antisandbox_file: Attempts to detect a sandbox (checks the file name)
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1518.001 antiav_avast_libs: Attempts to detect Avast Antivirus by a certain library
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_directory_objects: Scans directory objects, possibly to find VM indicators
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

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

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
network_anomaly: Network anomalies occured during the analysis
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
open_winlogon_process: Trying to open winlogon process
executes_dropped_exe: Executes dropped exe files

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