Managed XDR

wextract.exe — malware analysis report

File info

Filename
wextract.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
660 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
95d6d4be5626e036cbd970fe3c6c80524dcfdf6b
SHA256
4d83c8bedefdcbda5e6a5d2e25d0dfc523e059cc6d9322898e29138039303c3b
MD5
4774467a0f745a2339c2526d7e125050

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1218 suspicious_cmdline_keywords: Cmdline with suspicious keywords

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

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

Other

static_pe_anomaly: The PE file structure contains anomalies
creates_exe: Creates executable files in the file system
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
malware_cmdline: Suspicious words in the command line
test_check_service: Starts services
executes_dropped_exe: Executes dropped exe files
yara_rules: Static rules