App description.docx

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

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Sept. 10, 2021, 9:39 a.m.	process_identifier: 2496 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6a176000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 10, 2021, 9:39 a.m.	process_identifier: 2496 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6a074000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 10, 2021, 9:39 a.m.	process_identifier: 2496 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6a031000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 10, 2021, 9:39 a.m.	process_identifier: 2496 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x69fa2000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 10, 2021, 9:39 a.m.	process_identifier: 2496 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x69c31000 process_handle: 0xffffffff	1	0	0

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

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

Creates hidden or system file (1 event)

Time & API	Arguments	Status	Return	Repeated
NtCreateFile Sept. 10, 2021, 9:39 a.m.	create_disposition: 5 (FILE_OVERWRITE_IF) file_handle: 0x00000488 filepath: C:\Users\test22\AppData\Local\Temp\~$p description.docx desired_access: 0x40100080 (FILE_READ_ATTRIBUTES|SYNCHRONIZE|GENERIC_WRITE) file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN) filepath_r: \??\C:\Users\test22\AppData\Local\Temp\~$p description.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 Sept. 10, 2021, 9:40 a.m.	process_identifier: 2496 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x7ef50000 process_handle: 0xffffffff	1	0	0

File has been identified by 32 AntiVirus engines on VirusTotal as malicious (32 events)

Lionic	Trojan.MSWord.Generic.4!c
CAT-QuickHeal	OLE.CVE-2021-40444.44117
ALYac	Trojan.Downloader.DOC.Gen
BitDefender	Trojan.GenericKD.46849211
Arcabit	Trojan.Generic.D2CADCBB
Cyren	XML/Downldr.BE
Symantec	W97M.Downloader
ESET-NOD32	DOC/TrojanDownloader.Agent.DIC
TrendMicro-HouseCall	Trojan.W97M.CVE202140444.A
Avast	Other:Malware-gen [Trj]
Cynet	Malicious (score: 99)
Alibaba	Trojan:Office/CVE-2021-40444.1
NANO-Antivirus	Exploit.Xml.CVE-2017-0199.equmby
ViRobot	DOC.S.ExDownloader.13303
MicroWorld-eScan	Trojan.GenericKD.46849211
Tencent	Win32.Trojan.Generic.Wptp
Ad-Aware	Trojan.GenericKD.46849211
Sophos	Troj/DocDl-AEFL
DrWeb	W97M.DownLoader.5407
TrendMicro	Trojan.W97M.CVE202140444.A
McAfee-GW-Edition	W97M/Downloader.dsf
FireEye	Trojan.GenericKD.46849211
Emsisoft	Trojan.GenericKD.46849211 (B)
Ikarus	Exploit.CVE-2021-40444
GData	Trojan.GenericKD.46849211
Avira	W97M/Dldr.Donoff.vdzbh
MAX	malware (ai score=80)
Microsoft	TrojanDownloader:O97M/Donoff.CM!MSR
AhnLab-V3	Downloader/DOC.External
McAfee	W97M/Downloader.dsf
Fortinet	MSOffice/Agent.CNG!tr.dldr
AVG	Other:Malware-gen [Trj]