Managed XDR

vtdl_r356gq3q (Remcos) — malware analysis report

File info

Filename
vtdl_r356gq3q
File type
Microsoft Cabinet archive data, 418668 bytes, 1 file
File size
408.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cf71659b82acf9bfe80f8c56e7f9660e10652d9b
SHA256
643afe4e52aa3a895c105904e64dd3db645ec7ed91ef9c8d027d6bbb0e3862c4
MD5
e2bc207f9ddbe04661fe75724e930dff

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 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in 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 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562 dep_disable: Disables DEP
T1055 injection_runpe_2: Executes injected code in another process
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
T1562 registry_hide_tracing: Modifies File/Console tracing settings (often used to hide iocs from the system)
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

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
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Collection

T1115 checks_clipboard: Monitors clipboard data

Command and Control

T1102.003 cloud_onedrive: Connects to cloud services of Onedrive (potentially for malicious payload delivery)
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

yara_rules: Static rules
ce_info: Remcos Configuration Data found
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_exe: Creates executable files in the file system
copies_self: Creates a copy of itself
suspicious_process_network: Unusual process network activity detected
only_exec_in_archive: The archive contains only an executable file
no_graphical_activity: No graphic activity
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
susp_callbacks: Suspicious usage of some WinAPI with callbacks

Related reports