Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Oct. 30, 2024, 9:40 a.m.	Oct. 30, 2024, 9:42 a.m.

Size	3.3MB
Type	PE32+ executable (console) x86-64, for MS Windows
MD5	`639e6bb08e1fcefc214238bdab212db5`
SHA256	`d4bcad5d980510d16c37d90391196e0d06706b293fdc102c80f8e791ecece738`
CRC32	`B6AAB7FD`
ssdeep	`49152:UX3YnLOQYsZfQ74C6SkgSbXP31+frjUYuHi7nT8poTMFvfuJ1kZ7NrjHQe85Qx:UlRsZ47/QXoHUOfAoj1x6x`
PDB Path	C:\MeshAgent\MeshAgent\Release\MeshService64.pdb
Yara	Malicious_Library_Zero - Malicious_Library PE_Header_Zero - PE File Signature IsPE64 - (no description) Generic_Malware_Zero - Generic Malware UPX_Zero - UPX packed file OS_Processor_Check_Zero - OS Processor Check

agent.exe "C:\Users\test22\AppData\Local\Temp\agent.exe"
1952
- WMIC.exe wmic os get oslanguage /FORMAT:LIST
  2072

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

Queries for the computername (1 event)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameW Oct. 30, 2024, 9:40 a.m.	computer_name: TEST22-PC	1	1	0

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Oct. 30, 2024, 9:40 a.m.			0	0

Collects information to fingerprint the system (MachineGuid, DigitalProductId, SystemBiosDate) (1 event)

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid

This executable has a PDB path (1 event)

pdb_path

C:\MeshAgent\MeshAgent\Release\MeshService64.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 Oct. 30, 2024, 9:40 a.m.		1	1	0

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

section

.gfids

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

resource name

AFX_DIALOG_LAYOUT

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Oct. 30, 2024, 9:40 a.m.	stacktrace: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefdbfa49d RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7fefdf373c3 ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7fefe0943bf IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7fefdf55295 I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7fefdf52799 Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7fefdffaf1e Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7fefdffb76c NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7fefdf548d6 CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7fefe1c0883 CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7fefe1c0ccd CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7fefe1c0c43 CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7fefe07a4f0 GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7fefe08d551 CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7fefe1c347e CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7fefe1c122b CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7fefe1c3542 GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7fefe08d42d GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7fefe08d1d6 TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x77259bd1 TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x772598da GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7fefe08d0ab CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7fefe1b3e57 ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7fefe060106 ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7fefe060182 BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76fd652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x776ec521 exception.instruction_r: 48 81 c4 c8 00 00 00 c3 48 85 f6 74 08 83 3b 00 exception.symbol: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d exception.instruction: add rsp, 0xc8 exception.module: KERNELBASE.dll exception.exception_code: 0x80040155 exception.offset: 42141 exception.address: 0x7fefdbfa49d registers.r14: 0 registers.r15: 0 registers.rcx: 48359440 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 48365392 registers.r11: 48361200 registers.r8: 0 registers.r9: 0 registers.rdx: 1 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 1973389558 registers.r13: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Oct. 30, 2024, 9:40 a.m.

stacktrace:

RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d @ 0x7fefdbfa49d
RpcRaiseException+0x53 RpcExceptionFilter-0x2bd rpcrt4+0x173c3 @ 0x7fefdf373c3
ObjectStublessClient32+0x8bf CoDisconnectContext-0x107b9 ole32+0x443bf @ 0x7fefe0943bf
IUnknown_AddRef_Proxy+0x1f5 NdrFixedArrayBufferSize-0xeb rpcrt4+0x35295 @ 0x7fefdf55295
I_RpcFreeBuffer+0x1b9 NdrRangeUnmarshall-0x5a7 rpcrt4+0x32799 @ 0x7fefdf52799
Ndr64AsyncServerCallAll+0xa9e Ndr64AsyncClientCall-0xf42 rpcrt4+0xdaf1e @ 0x7fefdffaf1e
Ndr64AsyncServerCallAll+0x12ec Ndr64AsyncClientCall-0x6f4 rpcrt4+0xdb76c @ 0x7fefdffb76c
NdrStubCall3+0xc6 NdrOleAllocate-0x3ea rpcrt4+0x348d6 @ 0x7fefdf548d6
CoGetInstanceFromFile+0x4cd3 HACCEL_UserFree-0x70fd ole32+0x170883 @ 0x7fefe1c0883
CoGetInstanceFromFile+0x511d HACCEL_UserFree-0x6cb3 ole32+0x170ccd @ 0x7fefe1c0ccd
CoGetInstanceFromFile+0x5093 HACCEL_UserFree-0x6d3d ole32+0x170c43 @ 0x7fefe1c0c43
CoSetState+0x1450 DcomChannelSetHResult-0x34c ole32+0x2a4f0 @ 0x7fefe07a4f0
GetErrorInfo+0x599 ObjectStublessClient7-0xb1f ole32+0x3d551 @ 0x7fefe08d551
CoGetInstanceFromFile+0x78ce HACCEL_UserFree-0x4502 ole32+0x17347e @ 0x7fefe1c347e
CoGetInstanceFromFile+0x567b HACCEL_UserFree-0x6755 ole32+0x17122b @ 0x7fefe1c122b
CoGetInstanceFromFile+0x7992 HACCEL_UserFree-0x443e ole32+0x173542 @ 0x7fefe1c3542
GetErrorInfo+0x475 ObjectStublessClient7-0xc43 ole32+0x3d42d @ 0x7fefe08d42d
GetErrorInfo+0x21e ObjectStublessClient7-0xe9a ole32+0x3d1d6 @ 0x7fefe08d1d6
TranslateMessageEx+0x2a1 IntersectRect-0x11f user32+0x19bd1 @ 0x77259bd1
TranslateMessage+0x1ea DispatchMessageW-0x42 user32+0x198da @ 0x772598da
GetErrorInfo+0xf3 ObjectStublessClient7-0xfc5 ole32+0x3d0ab @ 0x7fefe08d0ab
CoUnloadingWOW+0x117 OleCreateFromFileEx-0x1829 ole32+0x163e57 @ 0x7fefe1b3e57
ObjectStublessClient24+0x1876 CLSIDFromString-0x57a ole32+0x10106 @ 0x7fefe060106
ObjectStublessClient24+0x18f2 CLSIDFromString-0x4fe ole32+0x10182 @ 0x7fefe060182
BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76fd652d
RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x776ec521

exception.instruction_r: 48 81 c4 c8 00 00 00 c3 48 85 f6 74 08 83 3b 00
exception.symbol: RaiseException+0x3d FreeEnvironmentStringsW-0x373 kernelbase+0xa49d
exception.instruction: add rsp, 0xc8
exception.module: KERNELBASE.dll
exception.exception_code: 0x80040155
exception.offset: 42141
exception.address: 0x7fefdbfa49d
registers.r14: 0
registers.r15: 0
registers.rcx: 48359440
registers.rsi: 0
registers.r10: 0
registers.rbx: 0
registers.rsp: 48365392
registers.r11: 48361200
registers.r8: 0
registers.r9: 0
registers.rdx: 1
registers.r12: 0
registers.rbp: 0
registers.rdi: 0
registers.rax: 1973389558
registers.r13: 0

Allocates read-write-execute memory (usually to unpack itself) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Oct. 30, 2024, 9:40 a.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef5ef9000 process_handle: 0xffffffffffffffff	1	0	0

Creates a suspicious process (1 event)

cmdline

wmic os get oslanguage /FORMAT:LIST

Uses Windows utilities for basic Windows functionality (1 event)

cmdline

wmic os get oslanguage /FORMAT:LIST

File has been identified by 14 AntiVirus engines on VirusTotal as malicious (14 events)

Skyhigh	BehavesLike.Win64.KuaiZip.wh
K7GW	Unwanted-Program ( 0049ebb41 )
K7AntiVirus	Unwanted-Program ( 0049ebb41 )
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (moderate confidence)
DrWeb	Program.MeshAgent.2
Zillya	Tool.MeshAgent.Win32.175
Sophos	Generic ML PUA (PUA)
Jiangmin	RemoteAdmin.MeshAgent.da
Google	Detected
Gridinsoft	Malware.Win64.MeshAgent.tr
Varist	W64/ABApplication.WDFU-1070
DeepInstinct	MALICIOUS
Fortinet	Malicious_Behavior.SB

agent.exe

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