Managed XDR

vtdl_oay2ilan (Cobalt Strike) — malware analysis report

File info

Filename
vtdl_oay2ilan
File type
Microsoft Cabinet archive data, 3769974 bytes, 3 files
File size
3.6 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a58e6860bf4080edac5374e9f6a230da9e9bfd95
SHA256
c0419129a50504b9a5b21b9640c32952da9dfc1ba9c51ee62336c48e6d8115be
MD5
5093978ceb85fc27329f43f7102dc766

Malwares

  • Cobalt Strike

Signatures

Execution

T1059.006 drops_python_dll: Drops python dll

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1574 dropper_dll: Creates DLL, which is then loaded into the 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 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Discovery

T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1032 internet_security_options: Sets Internet connections options that are not secure
T1071 internet_security_options: Sets Internet connections options that are not secure
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
valid_authenticode: The digital signature has been verified
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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