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

Summary | ZeroBOX

Seg.txt

PowerShell MZ ScreenShot AntiVM AntiDebug

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Oct. 2, 2021, 5 p.m.	Oct. 2, 2021, 5:02 p.m.

Size	911.8KB
Type	ASCII text, with very long lines, with CRLF line terminators
MD5	`c91f71c38431e327a540143742cf9db3`
SHA256	`936ed9dc16109e92ff397d1be4b17d15ec8539284377d3b0c059173ee29cbc8b`
CRC32	`57AB4969`
ssdeep	`6144:pCwwgB7d+kOGOqiPatIpFIEsFJBZqYmopcJ5:1K`
Yara	PowerShell_Script_MZ_Zero - PowerShell Script MZ [Zero]

cmd.exe "C:\Windows\System32\cmd.exe" /c start /wait "CkFvjfIxthDUyLV" C:\Users\test22\AppData\Local\Temp\Seg.txt
2516
- notepad.exe "C:\Windows\system32\NOTEPAD.EXE" C:\Users\test22\AppData\Local\Temp\Seg.txt
  672

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

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx Oct. 2, 2021, 5 p.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (2 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Oct. 2, 2021, 5 p.m.	process_identifier: 672 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x736b2000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 2, 2021, 5 p.m.	process_identifier: 672 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73733000 process_handle: 0xffffffff	1	0	0

Yara rule detected in process memory (9 events)

description	Take ScreenShot				rule	ScreenShot
description	(no description)				rule	DebuggerCheck__GlobalFlags
description	(no description)				rule	DebuggerCheck__QueryInfo
description	(no description)				rule	DebuggerHiding__Thread
description	(no description)				rule	DebuggerHiding__Active
description	(no description)				rule	ThreadControl__Context
description	(no description)				rule	SEH__vectored
description	Checks if being debugged				rule	anti_dbg
description	Bypass DEP				rule	disable_dep