Managed XDR

vtdl_1751846537_ycaz10rr (ZeroAccess) — malware analysis report

File info

Filename
vtdl_1751846537_ycaz10rr
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
241.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3e705ad129214213c95dfd27508117fc39f9ea57
SHA256
2a04122705c4de48f7512540fb3725aa0a14f3efaadc65fc033b29d0da4399b1
MD5
e4ec9f131d640dc25f051ab39527ee01

Malwares

  • ZeroAccess

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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 unnamed_memory_regions: Code was executed in unnamed regions
T1112 modifies_associations: Changes the risk level for file types in Attachment Manager
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)
T1480 system_default_lang_id_present: Checks the system language
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 reads_csrss: Attempts to read csrss.exe memory

Other

yara_rules: Static rules
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity

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