Managed XDR

43243fvasea.exe (TrickBot) — malware analysis report

File info

Filename
43243fvasea.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
365 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
afbbc54f9224c47ce3390d5b29b6219e89af4433
SHA256
c8e048ea88a341560cd8910d6dd39d90a1db2844702e99c169ee7b6c0f6c1e16
MD5
03e8f63fd90b75d33ba17b9cc60ad807

Malwares

  • TrickBot

Signatures

Privilege Escalation

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

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
unnamed_region_exception_handler: Creates an exception handler in an unnamed region
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process

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