Managed XDR

c-windows-x6urd.exe (Arkei) — malware analysis report

File info

Filename
c-windows-x6urd.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
280.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
55aa890101ce825cc4e98e009fbce78b528b01ac
SHA256
bd5aabdec81fcbf571ad1e14be9fd350dca322f45add63f63552e31f0eb89d74
MD5
6f66643a307449594fe27678002a25c6

Malwares

  • Arkei

Signatures

Execution

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

Privilege Escalation

T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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

yara_rules: Static rules
network_bind: Starts servers listening at None
process_crashed: One of the processes has failed
has_pdb: This executable file has a PDB path
origin_langid: Unconventional language of the executable file
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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