Managed XDR

loaderrust.exe (DCRat) — malware analysis report

File info

Filename
loaderrust.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
1.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d96ba9dac4262bfa86eb837c4837dca875a1d5e7
SHA256
4d8ef8b667ebd151c7ade7c33b088c4e6fd59007d5cc11dab274ca3dc38f2705
MD5
094dd32383ba342aff6c23d42962e65c

Malwares

  • DCRat

Signatures

Execution

T1059.005 obfuscated_vbe: Detected obfuscated VBE script
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.005 obfuscated_vbs: Detected obfuscated VBS

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 obfuscated_vbe: Detected obfuscated VBE script
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
non_quadratic_icon: Icon is not square
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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