Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Sept. 12, 2024, 3:45 p.m.	Sept. 12, 2024, 3:47 p.m.

Size	321.0KB
Type	PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`c54262d9605b19cd8d417ad7bc075c11`
SHA256	`de3f08aad971888269c60afcf81dc61f2158ca08cd32c9f5dd400e07d1517b54`
CRC32	`605DD1A6`
ssdeep	`6144:C5oPr6q5nj0xWtCPKbSDfdMJvPq33JdP3FzNd05nYF8kbh8x6WUR2XkHN0O8eVly:tjxnjwISDlbJd9en0lgJU+hkiEO`
PDB Path	c:\v7c61xpkgf0dg\obj\Release\' .pdb
Yara	PE_Header_Zero - PE File Signature Antivirus - Contains references to security software Is_DotNET_EXE - (no description) IsPE32 - (no description)

lfnsda.exe "C:\Users\test22\AppData\Local\Temp\lfnsda.exe"
2544
- RegAsm.exe "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2632

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 (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 12, 2024, 3:45 p.m.			0	0
IsDebuggerPresent Sept. 12, 2024, 3:45 p.m.			0	0

This executable has a PDB path (1 event)

pdb_path

c:\v7c61xpkgf0dg\obj\Release\' .pdb

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 Sept. 12, 2024, 3:45 p.m.		1	1	0

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) (13 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 2097152 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00840000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 1507328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a40000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b70000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003f5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003fb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003f7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003dc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x024c2000 process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x0004d400', u'virtual_address': u'0x00002000', u'entropy': 7.996147896276007, u'name': u'.text', u'virtual_size': u'0x0004d364'}

entropy

7.99614789628

description

A section with a high entropy has been found

entropy

0.993569131833

description

Overall entropy of this PE file is high

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

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2632 region_size: 360448 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: 0x00000200	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PEL"ÛfàôÄ ¡@@q4x0ØA5¨.textAóô `.rdata(*ø@@.data¸ë@X"@À.relocØA0Bz@B base_address: 0x00400000 process_identifier: 2632 process_handle: 0x00000200	1	1	0
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2632 process_handle: 0x00000200	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. 12, 2024, 3:45 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PEL"ÛfàôÄ ¡@@q4x0ØA5¨.textAóô `.rdata(*ø@@.data¸ë@X"@À.relocØA0Bz@B base_address: 0x00400000 process_identifier: 2632 process_handle: 0x00000200	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 2544 called NtSetContextThread to modify thread in remote process 2632
NtSetContextThread Sept. 12, 2024, 3:45 p.m.	registers.eip: 1995571652 registers.esp: 3472124 registers.edi: 0 registers.eax: 4235680 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000001fc process_identifier: 2632	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 2544 resumed a thread in remote process 2632
NtResumeThread Sept. 12, 2024, 3:45 p.m.	thread_handle: 0x000001fc suspend_count: 1 process_identifier: 2632	1	0	0

File has been identified by 22 AntiVirus engines on VirusTotal as malicious (22 events)

Bkav	W32.AIDetectMalware.CS
Elastic	malicious (high confidence)
Cylance	Unsafe
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/GenKryptik.HBHS
APEX	Malicious
Avast	Win32:PWSX-gen [Trj]
ClamAV	Win.Packed.Pwsx-10035189-0
Kaspersky	HEUR:Trojan-PSW.MSIL.Reline.gen
Rising	Malware.Obfus/MSIL@AI.80 (RDM.MSIL2:vO6RvjsfZRCIeuMd+XNohg)
SentinelOne	Static AI - Malicious PE
FireEye	Generic.mg.c54262d9605b19cd
Google	Detected
Gridinsoft	Trojan.Win32.Packed.dd!ni
Microsoft	Trojan:Win32/Wacatac.B!ml
ZoneAlarm	HEUR:Trojan-PSW.MSIL.Reline.gen
Varist	W32/MSIL_Agent.ILW.gen!Eldorado
Ikarus	Trojan-Spy.LummaStealer
huorong	Trojan/MSIL.Agent.li
Fortinet	MSIL/Kryptik.AMEW!tr
AVG	Win32:PWSX-gen [Trj]
CrowdStrike	win/malicious_confidence_70% (D)

Executed a process and injected code into it, probably while unpacking (14 events)

Time & API	Arguments	Status	Return
NtResumeThread Sept. 12, 2024, 3:45 p.m.	thread_handle: 0x000000e4 suspend_count: 1 process_identifier: 2544	1	0
NtResumeThread Sept. 12, 2024, 3:45 p.m.	thread_handle: 0x0000015c suspend_count: 1 process_identifier: 2544	1	0
NtResumeThread Sept. 12, 2024, 3:45 p.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 2544	1	0
CreateProcessInternalW Sept. 12, 2024, 3:45 p.m.	thread_identifier: 2636 thread_handle: 0x000001fc process_identifier: 2632 current_directory: filepath: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe track: 1 command_line: filepath_r: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000200	1	1
NtGetContextThread Sept. 12, 2024, 3:45 p.m.	thread_handle: 0x000001fc	1	0
NtAllocateVirtualMemory Sept. 12, 2024, 3:45 p.m.	process_identifier: 2632 region_size: 360448 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: 0x00000200	1	0
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PEL"ÛfàôÄ ¡@@q4x0ØA5¨.textAóô `.rdata(*ø@@.data¸ë@X"@À.relocØA0Bz@B base_address: 0x00400000 process_identifier: 2632 process_handle: 0x00000200	1	1
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: base_address: 0x00401000 process_identifier: 2632 process_handle: 0x00000200	1	1
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: base_address: 0x00441000 process_identifier: 2632 process_handle: 0x00000200	1	1
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: base_address: 0x00444000 process_identifier: 2632 process_handle: 0x00000200	1	1
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: base_address: 0x00453000 process_identifier: 2632 process_handle: 0x00000200	1	1
WriteProcessMemory Sept. 12, 2024, 3:45 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2632 process_handle: 0x00000200	1	1
NtSetContextThread Sept. 12, 2024, 3:45 p.m.	registers.eip: 1995571652 registers.esp: 3472124 registers.edi: 0 registers.eax: 4235680 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000001fc process_identifier: 2632	1	0
NtResumeThread Sept. 12, 2024, 3:45 p.m.	thread_handle: 0x000001fc suspend_count: 1 process_identifier: 2632	1	0

lfnsda.exe

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