Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	April 5, 2023, 8:41 a.m.	April 5, 2023, 8:44 a.m.

Size	260.5KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`30e9eeb70c21208690eafa461560b203`
SHA256	`a8c650f8c13f7e8ea7f7313b11eb68b814695927a46c6736ae406e0ada2e363f`
CRC32	`5EE4D885`
ssdeep	`3072:GXpckhxVvMh4v8maTskaY1IxGbU03Z9PVDBgB2de7VvtwJSzFQqzRv+qfchsqaJ0:3GbMjZsXY1+K991ds4S5TzdVataW`
Yara	UPX_Zero - UPX packed file Malicious_Library_Zero - Malicious_Library OS_Processor_Check_Zero - OS Processor Check IsPE32 - (no description) PE_Header_Zero - PE File Signature

toolspub2.exe "C:\Users\test22\AppData\Local\Temp\toolspub2.exe"
1648
- toolspub2.exe "C:\Users\test22\AppData\Local\Temp\toolspub2.exe"
  912

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 if process is being debugged by a debugger (1 event)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent April 5, 2023, 8:41 a.m.			0	0

The file contains an unknown PE resource name possibly indicative of a packer (1 event)

resource name

None

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

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

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory April 5, 2023, 8:41 a.m.	process_identifier: 1648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 77824 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0093c000 process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory April 5, 2023, 8:41 a.m.	process_identifier: 1648 region_size: 36864 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x00016200', u'virtual_address': u'0x0001d000', u'entropy': 7.243123566974642, u'name': u'.data', u'virtual_size': u'0x003c7a54'}

entropy

7.24312356697

description

A section with a high entropy has been found

entropy

0.341040462428

description

Overall entropy of this PE file is high

Yara rule detected in process memory (7 events)

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	Bypass DEP	rule	disable_dep

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory April 5, 2023, 8:41 a.m.	process_identifier: 912 region_size: 36864 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000080	1	0	0

Detects Avast Antivirus through the presence of a library (2 events)

Time & API	Arguments	Status	Return	Repeated
LdrGetDllHandle April 5, 2023, 8:41 a.m.	module_name: snxhk module_address: 0x00000000 stack_pivoted: 0		3221225781	0
LdrGetDllHandle April 5, 2023, 8:41 a.m.	module_name: snxhk module_address: 0x00000000 stack_pivoted: 0		3221225781	0

Potential code injection by writing to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory April 5, 2023, 8:41 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 912 process_handle: 0x00000080	1	1	0

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1648 called NtSetContextThread to modify thread in remote process 912
NtSetContextThread April 5, 2023, 8:41 a.m.	registers.eip: 2005598660 registers.esp: 1638384 registers.edi: 0 registers.eax: 4206040 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000007c process_identifier: 912	1	0	0

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1648 resumed a thread in remote process 912
NtResumeThread April 5, 2023, 8:41 a.m.	thread_handle: 0x0000007c suspend_count: 1 process_identifier: 912	1	0	0

Executed a process and injected code into it, probably while unpacking (7 events)

Time & API	Arguments	Status	Return
CreateProcessInternalW April 5, 2023, 8:41 a.m.	thread_identifier: 2052 thread_handle: 0x0000007c process_identifier: 912 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\toolspub2.exe track: 1 command_line: "C:\Users\test22\AppData\Local\Temp\toolspub2.exe" filepath_r: C:\Users\test22\AppData\Local\Temp\toolspub2.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000080	1	1
NtGetContextThread April 5, 2023, 8:41 a.m.	thread_handle: 0x0000007c	1	0
NtUnmapViewOfSection April 5, 2023, 8:41 a.m.	base_address: 0x00400000 region_size: 4096 process_identifier: 912 process_handle: 0x00000080	1	0
NtAllocateVirtualMemory April 5, 2023, 8:41 a.m.	process_identifier: 912 region_size: 36864 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000080	1	0
WriteProcessMemory April 5, 2023, 8:41 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 912 process_handle: 0x00000080	1	1
NtSetContextThread April 5, 2023, 8:41 a.m.	registers.eip: 2005598660 registers.esp: 1638384 registers.edi: 0 registers.eax: 4206040 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000007c process_identifier: 912	1	0
NtResumeThread April 5, 2023, 8:41 a.m.	thread_handle: 0x0000007c suspend_count: 1 process_identifier: 912	1	0

toolspub2.exe

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