Managed XDR

order-3098738-bls.eml (Remcos, Tinba) — malware analysis report

File info

Filename
order-3098738-bls.eml
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
1.5 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
daebdb86c8c12cbf63c388f05211f2f8a52da7cc
SHA256
151fe54452e34cefa63e4cab69735ab9ae0ca56f4c382a3c6aab5ab3c1e95cf2
MD5
c1f6620bb9c55e4db197bbd627d2f86a

Malwares

  • Remcos
  • Tinba

Signatures

Execution

T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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
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

T1036 copies_utilities: Copies and runs system utility with different name
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 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
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
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

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
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
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1115 checks_clipboard: Monitors clipboard data
T1560.001 archive_via_utility: Detected archiving data via utility

Command and Control

T1105 lolbin_extrac32: Download or Copy file with Extrac32
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
ce_info: Remcos Configuration Data found
executes_dropped_exe: Executes dropped exe files
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
dbatloader_behaviour: DBatLoader/ModiLoader behaviour
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
suspicious_process: Spawns a suspicious process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
checktokenmembership: Checks user token with CheckTokenMembership call

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