Managed XDR

banned-20250326t140641-12641-20 (Remcos) — malware analysis report

File info

Filename
banned-20250326t140641-12641-20
File type
SMTP mail, ASCII text
File size
1.2 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
861f14304714af048775d4d2743abc318426755a
SHA256
5e099cc24157a6f01811bedec4c97a19b3ec47572a1fe1abbfe4b9ff647e9e55
MD5
0873006e6ca2cdb422f60368f4890989

Malwares

  • Remcos

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059 autoit: AutoIt script execution detected
T1059 autoit_suspicious_script: Autoit contains suspicious script

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
T1055.012 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

T1055.012 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
T1562 dep_disable: Disables DEP
T1036 mimics_extension: Attempts to mimic the file extension
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
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

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
dead_host: Connects to IP addresses that do not respond to requests
suspicious_process: Spawns a suspicious process
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
checktokenmembership: Checks user token with CheckTokenMembership call

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