Managed XDR

c-windows-t86o5tn.exe (Grimagent) — malware analysis report

File info

Filename
c-windows-t86o5tn.exe
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
139.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
913642abc543b048ef8f84916ebaf2010eeabe9b
SHA256
9a2314197b00026dc6340c3d403d0ae7c47cfadc6e24d5af67b0f6c61ff296af
MD5
d4c36bbc52b9809426707fcf31ebc7aa

Malwares

  • Grimagent

Signatures

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

Defense Evasion

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 copies_utilities: Copies system utility with different name
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1070 stealth_window: A process created a hidden window

Discovery

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
writes_data: Writes big amount of data to disk

Related reports

Managed XDR