Managed XDR

vtdl_1750639272_7evg5j3m (Remcos) — malware analysis report

File info

Filename
vtdl_1750639272_7evg5j3m
File type
CDFV2 Microsoft Outlook Message
File size
1.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c112da2142860a37ec957665648c4bbaa0364426
SHA256
a1f1b7e35bf54c564c0feb17df237100c3d0d986f765c65718499ce95fd7bfc0
MD5
c7b76b19cab10531215a1025d28677bc

Malwares

  • Remcos

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
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1562 dep_disable: Disables DEP
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
ce_info: Remcos Configuration Data found
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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