Managed XDR

ahjlpb-i6oazh-8z.eml (Remcos) — malware analysis report

File info

Filename
ahjlpb-i6oazh-8z.eml
File type
RFC 822 mail, ASCII text
File size
30.6 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
ed733d5db54f1d3da5f6d783855ee68cae5ca610
SHA256
04a80a5e310ed994dc091e440b8606e29764b8500eaed3874ff9a48319005c37
MD5
abb0dce903444c4ad43f80c2942dc1a1

Malwares

  • Remcos

Signatures

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1055 injection_failed: The attempt to inject into a process has failed
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
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
T1055 injection_runpe_2: Executes injected code in another process
T1562 dep_disable: Disables DEP
T1027.004 compiles_code: Compiles VB.NET code
T1497.001 antivm_disk_size: Checks the amount of free disk space
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
T1480 system_default_lang_id_present: Checks the system language
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1055 injection_failed: The attempt to inject into a process has failed

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_im: Collects information about installed messengers
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 process_interest: Enumerates processes
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

yara_rules: Static rules
ce_info: Remcos Configuration Data found
creates_many_processes: Spawns a lot of processes (over 70)
static_pe_anomaly: The PE file structure contains anomalies
unpacker_wrong_base: Possibly, an error occured in the file unpacker
pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
suspicious_process_network: Unusual process network activity detected
suspicious_process: Spawns a suspicious process
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services

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