Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Sept. 8, 2023, 9:10 a.m.	Sept. 8, 2023, 9:12 a.m.

Size	154.0KB
Type	PE32 executable (console) Intel 80386, for MS Windows
MD5	`014d9107275c5fcf6ac8ac397e53bb67`
SHA256	`50bd9fc914876e4e683b41a8dd61d60d3ac3934bf03b7d051e912fa9dcbc4f45`
CRC32	`335BA9E4`
ssdeep	`3072:F6c5x6PWbHdQsbI6/d1kCPMlzhk2Ww+19Zu3cgA81jID078nGhAbHDZc:FZ6PWb9nd1kCh2Eonp/AbjZ`
Yara	Malicious_Library_Zero - Malicious_Library OS_Processor_Check_Zero - OS Processor Check UPX_Zero - UPX packed file PE_Header_Zero - PE File Signature IsPE32 - (no description)

zur.exe "C:\Users\test22\AppData\Local\Temp\zur.exe"
1984
- AppLaunch.exe "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2088

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

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.BsS

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

The binary likely contains encrypted or compressed data indicative of a packer (1 event)

section

{u'size_of_data': u'0x00007a00', u'virtual_address': u'0x00020000', u'entropy': 7.820116934915237, u'name': u'.BsS', u'virtual_size': u'0x00007804'}

entropy

7.82011693492

description

A section with a high entropy has been found

Yara rule detected in process memory (8 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	Checks if being debugged	rule	anti_dbg
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 Sept. 8, 2023, 9:10 a.m.	process_identifier: 2088 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: 0x0000002c	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
LdrGetDllHandle Sept. 8, 2023, 9:10 a.m.	module_name: snxhk module_address: 0x00000000 stack_pivoted: 0		3221225781	0
LdrGetDllHandle Sept. 8, 2023, 9:10 a.m.	module_name: snxhk module_address: 0x00000000 stack_pivoted: 0		3221225781	0

Potential code injection by writing to the memory of another process (2 events)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Sept. 8, 2023, 9:10 a.m.	buffer: MZÿÿ@@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL²dàHvD2@õ.textytv à base_address: 0x00400000 process_identifier: 2088 process_handle: 0x0000002c	1	1	0
WriteProcessMemory Sept. 8, 2023, 9:10 a.m.	buffer: @ base_address: 0xfffde008 process_identifier: 2088 process_handle: 0x0000002c	1	1	0

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Sept. 8, 2023, 9:10 a.m.	buffer: MZÿÿ@@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL²dàHvD2@õ.textytv à base_address: 0x00400000 process_identifier: 2088 process_handle: 0x0000002c	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 1984 called NtSetContextThread to modify thread in remote process 2088
NtSetContextThread Sept. 8, 2023, 9:10 a.m.	registers.eip: 2005598660 registers.esp: 3536992 registers.edi: 0 registers.eax: 4207172 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000020 process_identifier: 2088	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 1984 resumed a thread in remote process 2088
NtResumeThread Sept. 8, 2023, 9:10 a.m.	thread_handle: 0x00000020 suspend_count: 1 process_identifier: 2088	1	0	0

Executed a process and injected code into it, probably while unpacking (8 events)

Time & API	Arguments	Status	Return
CreateProcessInternalW Sept. 8, 2023, 9:10 a.m.	thread_identifier: 2092 thread_handle: 0x00000020 process_identifier: 2088 current_directory: filepath: C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe track: 1 command_line: filepath_r: C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x0000002c	1	1
NtGetContextThread Sept. 8, 2023, 9:10 a.m.	thread_handle: 0x00000020	1	0
NtAllocateVirtualMemory Sept. 8, 2023, 9:10 a.m.	process_identifier: 2088 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: 0x0000002c	1	0
WriteProcessMemory Sept. 8, 2023, 9:10 a.m.	buffer: MZÿÿ@@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL²dàHvD2@õ.textytv à base_address: 0x00400000 process_identifier: 2088 process_handle: 0x0000002c	1	1
WriteProcessMemory Sept. 8, 2023, 9:10 a.m.	buffer: base_address: 0x00401000 process_identifier: 2088 process_handle: 0x0000002c	1	1
WriteProcessMemory Sept. 8, 2023, 9:10 a.m.	buffer: @ base_address: 0xfffde008 process_identifier: 2088 process_handle: 0x0000002c	1	1
NtSetContextThread Sept. 8, 2023, 9:10 a.m.	registers.eip: 2005598660 registers.esp: 3536992 registers.edi: 0 registers.eax: 4207172 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000020 process_identifier: 2088	1	0
NtResumeThread Sept. 8, 2023, 9:10 a.m.	thread_handle: 0x00000020 suspend_count: 1 process_identifier: 2088	1	0

zur.exe

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