Managed XDR

bewerbung-als-fachkraf...trusion-maschinen-.msg (Chimera, Petya) — malware analysis report

File info

Filename
bewerbung-als-fachkraft-oder-helfer-kunststoff-extrusion-maschinen-.msg
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1200, Locale ID: 1033
File size
2.1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
89c029c1e6340cf420eff6f847a3c4989b6f7a9e
SHA256
29541ffa1a4a7f21d4f305140ad3b90326ad603d1172f829f768fcbeb8717f34
MD5
a53fe97c6cf28353e40dd13ee1074228

Malwares

  • Chimera
  • Petya

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

Privilege Escalation

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

T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1027 office_macros_hex_strings: Lines in hex found in document macro
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
T1006 direct_disc_access: Direct disk access has been detected
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1070 stealth_window: A process created a hidden window

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
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_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1082 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1529 nt_raise_hard_error: Detected agressive BSOD (typical for malware) using NtRaiseHardError
T1486 ransomware_files_2: Ransomware(s) Chimera indicators detected (creates keys and the instruction on how to unlock the files)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
ransomware_goldeneye: GoldenEye ransomware detected
creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
pdf_compressed_stream: Contains an object with compressed stream
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card

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