Managed XDR

c-users-user-appdata-r...ng-installdir-help.exe (njRAT) — malware analysis report

File info

Filename
c-users-user-appdata-roaming-installdir-help.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
530.8 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f999714c0e7b0c8c42e6ed9387b7afb3fb01f3b4
SHA256
88f1fbce3ab499cebec07fd7f596ed6ca88d901b83c9293371dcb8f6f9eda5a8
MD5
7a00ec8d84dffca162756bdd7d5017dc

Malwares

  • 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
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1055 sets_debug_registers: Sets debug registers for a thread in a different 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

Defense Evasion

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1564.001 hides_original_file: Makes original executable file hidden
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.001 static_overlay_padding: Overlay contents padding

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Impact

T1489 net_stop: Stops services through the use of net stop

Other

yara_rules: Static rules
static_pe_anomaly: The PE file structure contains anomalies
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
net_dumps_in_native: .Net dumps have been found in native PE
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay

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