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Guide 2020-06-10
Version history 2020-06-10

Summary | ZeroBOX

0914_4534346255302.doc

VBA_macro Generic Malware MSOffice File

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Sept. 15, 2021, 10:11 a.m.	Sept. 15, 2021, 10:13 a.m.

Size	596.0KB
Type	Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Template: Normal.dotm, Revision Number: 2, Create Time/Date: Tue Sep 14 11:46:00 2021, Last Saved Time/Date: Tue Sep 14 11:46:00 2021, Number of Pages: 1, Number of Words: 3, Number of Characters: 19, Security: 0
MD5	`db8169d3473f0079a1850b2d5d5f7861`
SHA256	`7f20597f44ad2a0396a9fcdbff7ac966af0a91841e234b07f7fe31bfd129a5e4`
CRC32	`FBF234E7`
ssdeep	`12288:YV9iQsDr8NVIsfI2YSqjsCaZCumaYpAvwUYHRatqiS:YVXkr8NVJQGqjOAXaY2oRatqiS`
Yara	Contains_VBA_macro_code - Detect a MS Office document with embedded VBA macro code [binaries] Generic_Malware_Zero - Generic Malware Microsoft_Office_File_Zero - Microsoft Office File

WINWORD.EXE "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" C:\Users\test22\AppData\Local\Temp\0914_4534346255302.doc
1548

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Allocates read-write-execute memory (usually to unpack itself) (18 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x69ff1000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 15, 2021, 10:11 a.m.	process_identifier: 1548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x69a34000 process_handle: 0xffffffff	1	0	0

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

file	C:\Users\test22\AppData\Local\Temp\~$14_4534346255302.doc

Creates hidden or system file (1 event)

Time & API	Arguments	Status	Return	Repeated
NtCreateFile Sept. 15, 2021, 10:11 a.m.	create_disposition: 5 (FILE_OVERWRITE_IF) file_handle: 0x0000047c filepath: C:\Users\test22\AppData\Local\Temp\~$14_4534346255302.doc desired_access: 0x40100080 (FILE_READ_ATTRIBUTES\|SYNCHRONIZE\|GENERIC_WRITE) file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN) filepath_r: \??\C:\Users\test22\AppData\Local\Temp\~$14_4534346255302.doc create_options: 4194400 (FILE_NON_DIRECTORY_FILE\|FILE_SYNCHRONOUS_IO_NONALERT) status_info: 2 (FILE_CREATED) share_access: 0 ()	1	0	0

Word document hooks document open