Managed XDR

c-love.exe (Symmi, njRAT) — malware analysis report

File info

Filename
c-love.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
303.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1a096910e270b710cf21ce450870b757f31523aa
SHA256
7313abf5aade38e682130a8fc14484ce709ba2fd0d5f13e66d9f2221af4eb1fc
MD5
43c93a06a1fa8c32e003849034da151e

Malwares

  • Symmi
  • njRAT

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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_security_warnings: Attempts to modify or disable security notifications
T1562.004 firewall_add_rule: Modifies Firewall rules
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1036 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
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

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 reads_csrss: Attempts to read csrss.exe memory

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
networkdyndns_checkip: Connects to a Dynamic DNS domain
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
critical_process: Makes the process critical to the system (the system shuts down when it's terminated)
bladabindi_mutexes: Bladabindi indicators detected
copies_self: Creates a copy of itself
dns_without_resolve: DNS query without a response
suspicious_process: Spawns a suspicious process
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
open_winlogon_process: Trying to open winlogon process
suricata_alert: Malicious traffic detected

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