Managed XDR

autorecovery-save-of-readme.asd (Tinba) — malware analysis report

File info

Filename
autorecovery-save-of-readme.asd
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: MyPc, Template: Normal.dotm, Last Saved By: MyPc, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Create Time/Date: Wed Jun 23 12:51:00 2021, Last Saved Time/Date: Wed Jun 23 12:51:00 2021, Number of Pages: 1, Number of Words: 3, Number of Characters: 21, Security: 0
File size
1.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c5fb13288bd528709f2fe1ebd5a9d94506ea2ac0
SHA256
58a89b02173f95f10069c3c3dd3958454075d47123beafeb172caccd48751f40
MD5
e9c59c6c76c95dc151ae021b5ece1af0

Malwares

  • Tinba

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

Privilege Escalation

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_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
office_embedded: Office document contains embedded executable file(s)
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call

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