Managed XDR

vtdl_m37eka3s (DCRat) — malware analysis report

File info

Filename
vtdl_m37eka3s
File type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size
754.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
56b1c44729fce7e37c260698bfb80a3556a69c41
SHA256
e8c463ccc8048f04c4a1741c6916d2899ce6c95786519470aba200b579bbcee6
MD5
d432cec7a495762a983a075829ea539b

Malwares

  • DCRat

Signatures

Execution

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

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1562 modify_uac_prompt: Attempts to modify UAC pop-up window behavior
T1562 disables_uac: Disable UAC
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
static_pe_anomaly: The PE file structure contains anomalies
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
dotnet_suspicious_module_name: Dotnet has suspicious module name
dotnet_import_unmanaged_code: Dotnet malware statically imports unmanaged functions/modules
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_downloader_possible_network_problem: Dotnet downloader possibly has network problem

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