Managed XDR

vtdl_yhpy74eg (Tinba) — malware analysis report

File info

Filename
vtdl_yhpy74eg
File type
RAR archive data, v5
File size
6.1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
864d1a412eeb3d55720e7cf4b43bcbacc2890e15
SHA256
d25f2e3d4916db8f3c976af119ecf8963ba0bc4f17b657ef17ed348ecccbd4e2
MD5
fed4e69ada580a576e347b326e086303

Malwares

  • Tinba

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

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

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
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_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1497.001 antivm_vmware_keys: Detects VMware through the presence of a registry key
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1027.002 packer_themida: Themida packer signatures detected
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Discovery

T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1497.001 antivm_vmware_keys: Detects VMware through the presence of a registry key
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 checks_firmware: Attempts to read firmware information (potentially for evasion)

Other

yara_rules: Static rules
modifies_certs: Attempts to generate or modify system certificates
unexpected_exception: Unexpected exception
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
net_dumps_in_native: .Net dumps have been found in native PE
dotnet_import_unmanaged_code: Dotnet malware statically imports unmanaged functions/modules
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
suricata_alert: Malicious traffic detected
dotnet_downloader_possible_network_problem: Dotnet downloader possibly has network problem

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