Managed XDR

c-windows-6b4mv3.exe (Grimagent) — malware analysis report

File info

Filename
c-windows-6b4mv3.exe
File type
MS-DOS executable
File size
139 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
73242a8e5d0552b6db58fad023422cbbd601d45d
SHA256
bba55e53196520c5e49bb4705b25951a380f0cf73b31ab396a933267bf4d34cd
MD5
9c22d9c31dda1c7cfdefeca92685a020

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
T1036 copies_utilities: Copies system utility with different name
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
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
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