Managed XDR

servientrega_-entregam...n-paquete-para-ti..eml (Remcos) — malware analysis report

File info

Filename
servientrega_-entregamos-un-paquete-para-ti..eml
File type
RFC 822 mail, ASCII text, with very long lines, with CRLF line terminators
File size
1.6 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
26958bb050a0efb2c1bbada8ffab951c05aaeced
SHA256
8a243dad51011d3ecb7bfa55056f1b03f818a707a734a010601a315308a29560
MD5
c23a6c1d0bbba72e4852bbb403a110d6

Malwares

  • Remcos

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

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
T1134.004 ppid_spoofing: Parent pid spoofing detected
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
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

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1134.004 ppid_spoofing: Parent pid spoofing detected
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
T1562 dep_disable: Disables DEP
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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 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
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

Collection

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

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
unpacker_wrong_base: Possibly, an error occured in the file unpacker
pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
copies_self: Creates a copy of itself
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
pdf_compressed_stream: Contains an object with compressed stream
creates_suspended_process: Creates suspended process
creates_in_programdata: Creates files in the ProgramData directory
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint

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