document_set_20210208_T6253773.docx

Allocates read-write-execute memory (usually to unpack itself) (5 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Aug. 4, 2021, 12:24 p.m.	process_identifier: 552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6a466000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Aug. 4, 2021, 12:24 p.m.	process_identifier: 552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6a364000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Aug. 4, 2021, 12:24 p.m.	process_identifier: 552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6a321000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Aug. 4, 2021, 12:24 p.m.	process_identifier: 552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6a292000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Aug. 4, 2021, 12:24 p.m.	process_identifier: 552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x69f21000 process_handle: 0xffffffff	1	0	0

Creates (office) documents on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\~$cument_set_20210208_T6253773.docx

Creates hidden or system file (1 event)

Time & API	Arguments	Status	Return	Repeated
NtCreateFile Aug. 4, 2021, 12:24 p.m.	create_disposition: 5 (FILE_OVERWRITE_IF) file_handle: 0x00000488 filepath: C:\Users\test22\AppData\Local\Temp\~$cument_set_20210208_T6253773.docx desired_access: 0x40100080 (FILE_READ_ATTRIBUTES|SYNCHRONIZE|GENERIC_WRITE) file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN) filepath_r: \??\C:\Users\test22\AppData\Local\Temp\~$cument_set_20210208_T6253773.docx create_options: 4194400 (FILE_NON_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_NONALERT) status_info: 2 (FILE_CREATED) share_access: 0 ()	1	0	0

Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Aug. 4, 2021, 12:24 p.m.	process_identifier: 552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x7ef60000 process_handle: 0xffffffff	1	0	0

File has been identified by 15 AntiVirus engines on VirusTotal as malicious (15 events)

FireEye	Trojan.Groooboor.Gen.31
Cyren	XML/Agent.DF
Symantec	W97M.Downloader
ESET-NOD32	DOC/TrojanDownloader.Agent.AWB
TrendMicro-HouseCall	TROJ_FRS.VSNTH221
BitDefender	Trojan.Groooboor.Gen.31
NANO-Antivirus	Exploit.Xml.CVE-2017-0199.equmby
Emsisoft	Trojan.Groooboor.Gen.31 (B)
DrWeb	W97M.DownLoader.2692
TrendMicro	TROJ_FRS.VSNTH221
McAfee-GW-Edition	Artemis!Trojan
Microsoft	Exploit:O97M/CVE-2017-0199.BKMK!MTB
GData	Trojan.Groooboor.Gen.31
Zoner	Probably Heur.W97OleLink
Fortinet	MSOffice/Agent.AWB!tr.dldr