Managed XDR

vtdl_0m3nznpl (AsyncRAT) — malware analysis report

File info

Filename
vtdl_0m3nznpl
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
30.4 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e0902621321ca6d3b5d0a8b22e4f430c7601cb1d
SHA256
9e4a40cffb4bd25947bc4c82f480aaa402dd3c9b09a91782be85f5ae785389ec
MD5
3c6e2f2ca6a4d1d4b7761754633407e8

Malwares

  • AsyncRAT

Signatures

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into 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

T1055.002 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: Code was executed in unnamed regions
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.004 compiles_code: Compiles C# code
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 packer_vb: The executable file is packed using VB
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1102.003 references_bitbucket: Contains links to cloud services of bitbucket.org (potentially for malicious payload delivery)

Other

yara_rules: Static rules
networkdyndns_checkip: Connects to a Dynamic DNS domain
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
asyncrat_mutexes: Creates mutexes typical for AsyncRAT
pe_overlay: PE file contains overlay

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