Managed XDR

c-windows-73jkf4cq.exe (SystemBC) — malware analysis report

File info

Filename
c-windows-73jkf4cq.exe
File type
PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows
File size
1.1 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
c12e900b47519d9db8dfb502c10be7252f1e8bb4
SHA256
96b7e05102d253cb3071ec77e8c642831afc8de16822c2370ec982288104f15a
MD5
3241010bb57f25feb3515bbca96e1258

Malwares

  • SystemBC

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

T1497.001 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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
systembc: Detected SystemBC RAT
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
ip_domains: Identifies an IP address using external resources
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
process_crashed: One of the processes has failed
network_ftp: Performs FTP requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
origin_langid: Unconventional language of the executable file
creates_in_programdata: Creates files in the ProgramData directory
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

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