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

Summary | ZeroBOX

0902_1465137480.doc

VBA_macro Generic Malware MSOffice File

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Sept. 3, 2021, 9:36 a.m.	Sept. 3, 2021, 9:39 a.m.

Size	430.5KB
Type	Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: kell, Template: Normal.dotm, Last Saved By: MyPc, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Create Time/Date: Wed Sep 1 09:54:00 2021, Last Saved Time/Date: Wed Sep 1 09:54:00 2021, Number of Pages: 1, Number of Words: 3, Number of Characters: 19, Security: 0
MD5	`f79439b84bf0fc6cf84274fb94fe9b40`
SHA256	`28edf9442f625a783722db271e4d1e6acf2d10f76fd7afe149629a796226532d`
CRC32	`40418BD1`
ssdeep	`12288:zV9iQsDr8NFw5KY01lEIbcUXoDCWyK8hIxYfvP:zVXkr8NFwozcmTExu`
Yara	Generic_Malware_Zero - Generic Malware Contains_VBA_macro_code - Detect a MS Office document with embedded VBA macro code [binaries] Microsoft_Office_File_Zero - Microsoft Office File

WINWORD.EXE "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" C:\Users\test22\AppData\Local\Temp\0902_1465137480.doc
1328

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

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. 3, 2021, 9:36 a.m.	process_identifier: 1328 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. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0050e000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0050e000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0050e000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0050e000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00511000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00511000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0050e000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0050e000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 3, 2021, 9:36 a.m.	process_identifier: 1328 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\~$02_1465137480.doc

Creates hidden or system file (1 event)

Time & API	Arguments	Status	Return	Repeated
NtCreateFile Sept. 3, 2021, 9:36 a.m.	create_disposition: 5 (FILE_OVERWRITE_IF) file_handle: 0x00000464 filepath: C:\Users\test22\AppData\Local\Temp\~$02_1465137480.doc desired_access: 0x40100080 (FILE_READ_ATTRIBUTES\|SYNCHRONIZE\|GENERIC_WRITE) file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN) filepath_r: \??\C:\Users\test22\AppData\Local\Temp\~$02_1465137480.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