Managed XDR

615628919.eml (Mydoom) — malware analysis report

File info

Filename
615628919.eml
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
75.7 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d29804c94e097c9ddfb0bbee4adf49a4664e5fef
SHA256
b1accac3e5a4efd85b560b9c103300710f5b2faed7208074ad70c79944a036ee
MD5
275f273224b00188b5b2520f910fa4dc

Malwares

  • Mydoom

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
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

T1027.002 packer_polymorphic: Creates a modified copy of itself
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
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

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 locates_browser: Attempts to identify where browsers are installed

Command and Control

T1071.003 network_smtp: Sends emails, possibly SPAM

Impact

T1565 modifies_hostfile: Writes data to system hosts file

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
network_bind: Starts servers listening at 0.0.0.0:36276
dns_without_resolve: DNS query without a response
network_ftp: Performs FTP requests
no_graphical_activity: No graphic activity
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay

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