Managed XDR

dirsize.dll (TrickBot, Hupigon) — malware analysis report

File info

Filename
dirsize.dll
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
589.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2bae9b8c11be386afb80e8556e328d69737dcac3
SHA256
3e5f43a6b78f839d4299b0d00995b2f4f44b7d08cc907586134a471559575259
MD5
2cae4369db5126ed790df63f9200663b

Malwares

  • TrickBot
  • Hupigon

Signatures

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 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
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
test_check_service: Starts services

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