Managed XDR

builder.exe (Conti) — malware analysis report

File info

Filename
builder.exe
File type
PE32 executable (console) Intel 80386, for MS Windows
File size
310.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
1c4c472d7313397c2c98580f0bb96b85168a61d9
SHA256
69f5be9e9e87952f1340f7cd2c5c7414947172ae637b2f9d727f8238a95016e4
MD5
fc77fe815d7afa4338913b90fd284718

Malwares

  • Conti

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
T1134 opens_process_token: Opens the access token associated with a process
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

Credential Access

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

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

Related reports

Managed XDR