Managed XDR

external-mail-external...-urgent-bepza-2024.msg (Remcos) — malware analysis report

File info

Filename
external-mail-external-urgent-bepza-2024.msg
File type
CDFV2 Microsoft Outlook Message
File size
542.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6e388cc160605d56f9adc798b051c0f1ebc0c1cf
SHA256
cae1d1fd462bf845e08bd8cab4e236572aabece25881a90ceee1f92ff5591f74
MD5
abbc04a3987046075e33ea0389779164

Malwares

  • Remcos

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.003 executes_dropped_cmd: Executes dropped batch files

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 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
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
T1036 mimics_extension: Attempts to mimic the file extension
T1562 dep_disable: Disables DEP
T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.002 antisandbox_foregroundwindows: Checks whether any human activity is being performed by constantly checking whether the foreground window has changed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1115 checks_clipboard: Monitors clipboard data

Other

yara_rules: Static rules
networkdyndns_checkip: Connects to a Dynamic DNS domain
remcos: Remcos indicators detected
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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