Managed XDR

timer.exe (TrickBot) — malware analysis report

File info

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

Environment

w10/x86 en

Hashes

SHA1
91098346b5051d46c7257fa4d67a83979404fd1e
SHA256
3b1e689fe6c45319324b5f2e8b879e1bef97b0f61d4dd93e0e4398e12a79b7d7
MD5
2917cab07f557cef47049fb75f7be0fe

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
T1497.001 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 pidbruteforce: Enumerates processes using PID Bruteforce
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
unnamed_region_exception_handler: Creates an exception handler in an unnamed region
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
open_winlogon_process: Trying to open winlogon process

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