Managed XDR

vtdl_i57cwjkm (Agent Tesla) — malware analysis report

File info

Filename
vtdl_i57cwjkm
File type
SMTP mail, ASCII text
File size
576.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
bab9be2477c7049079b37c754cbcae44e8a36ef3
SHA256
3f7c5c72ee619257e764f8400d62bf406f1150f4bf9f0239f3f8b5f5a689b471
MD5
c1d68312cd0b2dc50e4841ac69b37f12

Malwares

  • Agent Tesla

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests

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 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

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
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
T1070 stealth_window: A process created a hidden window

Discovery

T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 locates_browser: Attempts to identify where browsers are installed
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

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call

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