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

Summary | ZeroBOX

recital-1921530865.xls

MSOffice File

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Sept. 29, 2021, 10:39 a.m.	Sept. 29, 2021, 10:47 a.m.

Size	229.0KB
Type	Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Jun 5 18:19:34 2015, Last Saved Time/Date: Tue Sep 28 07:33:26 2021, Security: 0
MD5	`9271898f88c6d1125319e74b38965892`
SHA256	`eed9a4bd2a6f0d684471270dd752972d679465d3eaeaa820bdf2b6cc4703eea1`
CRC32	`8DE7CF85`
ssdeep	`6144:CKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgI9jWXcZZRBTq1BOzTwvOsPDslAvS32vI7Y:M9jVzTmszTwvTDy33LvfP1OWK`
Yara	Microsoft_Office_File_Zero - Microsoft Office File

EXCEL.EXE "C:\Program Files (x86)\Microsoft Office\Office15\EXCEL.EXE" C:\Users\test22\AppData\Local\Temp\recital-1921530865.xls
2536

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) (2 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Sept. 29, 2021, 10:39 a.m.	process_identifier: 2536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6bf98000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Sept. 29, 2021, 10:39 a.m.	process_identifier: 2536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6bff2000 process_handle: 0xffffffff	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. 29, 2021, 10:39 a.m.	process_identifier: 2536 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