Managed XDR

c-windows-a8l1if.exe (Cobalt Strike) — malware analysis report

File info

Filename
c-windows-a8l1if.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
166.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a3e14156dc2e6360b8b7b19741e3a1449f770fac
SHA256
ebc9df7d137078fa5b3af35282e06cb219cd7889564beecba0dea64c4b0f9226
MD5
faa0e04a341178d6fb5684ae04df5cba

Malwares

  • Cobalt Strike

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
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
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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

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

Discovery

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
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Command and Control

T1071 internet_security_options: Sets Internet connections options that are not secure
T1032 internet_security_options: Sets Internet connections options that are not secure
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
shellcode_wininet: Wininet-shellcode behavior detected
network_bind: Starts servers listening at None
dns_without_resolve: DNS query without a response
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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