Managed XDR

frandsen.exe — malware analysis report

File info

Filename
frandsen.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
File size
241.4 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
f817c0e99de110392bd05fc3afe4de616684466e
SHA256
d024843c5c104e3f65515061f8cad45081489e0f5a2c0d805a70b8d7137ca43c
MD5
f553587f1ecb13ef7da8de7b4f6ab375

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
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 nsis_archive: One of the packages is NSIS archive
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1055 injection_failed: The attempt to inject into a process has failed
T1574 dropper_dll: Creates DLL, which is then loaded into the 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
T1057 process_interest: Enumerates processes
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

creates_many_processes: Spawns a lot of processes (over 70)
network_bind: Starts servers listening at None
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
creates_exe: Creates executable files in the file system
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process
executes_dropped_exe: Executes dropped exe files