Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	May 26, 2021, 5:44 p.m.	May 26, 2021, 5:50 p.m.

Size	1.2MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`893f73e3c8296eb13964494da6157511`
SHA256	`358291a1c888d85b18fc1dd6c2194a41158bf9cc73b2da7c753b7209e7d919eb`
CRC32	`A5B5A2F3`
ssdeep	`24576:bWBNTiGaIzHV9wA8DVXa86GMHYAyB8EfKw:ZIz19IDpa8dMq8iK`
PDB Path	C:\Users\Administrator\Desktop\Client\Temp\hRsbFoIOcB\src\obj\Debug\Hex.pdb
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature IsPE32 - (no description) Malicious_Library_Zero - Malicious_Library

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
5628
- vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
  4964

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
172.217.25.14	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW May 26, 2021, 5:46 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 26, 2021, 5:46 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 26, 2021, 5:46 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 26, 2021, 5:46 p.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent May 26, 2021, 5:45 p.m.			0	0
IsDebuggerPresent May 26, 2021, 5:45 p.m.			0	0
IsDebuggerPresent May 26, 2021, 5:46 p.m.			0	0
IsDebuggerPresent May 26, 2021, 5:46 p.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey May 26, 2021, 5:45 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x00418e40 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 26, 2021, 5:45 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x00418d00 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 26, 2021, 5:45 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x00418d00 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

This executable has a PDB path (1 event)

pdb_path

C:\Users\Administrator\Desktop\Client\Temp\hRsbFoIOcB\src\obj\Debug\Hex.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 May 26, 2021, 5:45 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ May 26, 2021, 5:46 p.m.	stacktrace: 0x7617d0 0x760ffb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 53 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x761c43 registers.esp: 3600272 registers.edi: 3600296 registers.eax: 0 registers.ebp: 3600308 registers.edx: 195 registers.ebx: 3600564 registers.esi: 37997220 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

May 26, 2021, 5:46 p.m.

stacktrace:

0x7617d0
0x760ffb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 53 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x761c43
registers.esp: 3600272
registers.edi: 3600296
registers.eax: 0
registers.ebp: 3600308
registers.edx: 195
registers.ebx: 3600564
registers.esi: 37997220
registers.ecx: 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) (50 out of 114 events)

Time & API	Arguments	Status	Return
NtAllocateVirtualMemory May 26, 2021, 5:44 p.m.	process_identifier: 5628 region_size: 1441792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00790000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:44 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba1000 process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba2000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 1376256 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x022b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x023c0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00512000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00545000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0054b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00547000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00750000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0051a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00537000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00751000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05440000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 122880 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05441000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0545f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:45 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0051c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02420000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02421000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02422000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02423000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02424000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02425000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02426000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02427000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05370178 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053701a0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053701c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053e8b3e process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053e8b32 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 72 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05370208 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053c2440 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053c2464 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053c246c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 5628 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x053c2470 process_handle: 0xffffffff		3221225550

File has been identified by 7 AntiVirus engines on VirusTotal as malicious (7 events)

Cynet	Malicious (score: 100)
Malwarebytes	Trojan.MalPack.ADC.Generic
Symantec	Scr.Malcode!gdn30
ESET-NOD32	a variant of MSIL/GenKryptik.FFMW
APEX	Malicious
Microsoft	Trojan:Win32/Wacatac.B!ml
Fortinet	MSIL/Kryptik.ABCM!tr

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

section

{u'size_of_data': u'0x00119e00', u'virtual_address': u'0x00002000', u'entropy': 6.892392227926316, u'name': u'.text', u'virtual_size': u'0x00119dd0'}

entropy

6.89239222793

description

A section with a high entropy has been found

entropy

0.941151919866

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW May 26, 2021, 5:46 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (10 events)

description	Communications smtp	rule	Network_SMTP_dotNet
description	Run a KeyLogger	rule	KeyLogger
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
description	Affect hook table	rule	win_hook

Communicates with host for which no DNS query was performed (1 event)

host

172.217.25.14

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 4964 region_size: 245760 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: 0x00000294	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation May 26, 2021, 5:46 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

vbc.exe tried to sleep 5456439 seconds, actually delayed analysis time by 5456439 seconds

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELmª`àXv @ À@4vW H.textV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 4964 process_handle: 0x00000294	1	1
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ìStringFileInfoÈ000004b0,FileDescription 0FileVersion0.0.0.0\InternalNameJXRsApCFgOIPRvMvtWyWbNCN.exe(LegalCopyright dOriginalFilenameJXRsApCFgOIPRvMvtWyWbNCN.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 4964 process_handle: 0x00000294	1	1
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 4964 process_handle: 0x00000294	1	1
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 4964 process_handle: 0x00000294	1	1

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

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELmª`àXv @ À@4vW H.textV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 4964 process_handle: 0x00000294	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 5628 called NtSetContextThread to modify thread in remote process 4964
NtSetContextThread May 26, 2021, 5:46 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421262 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000028c process_identifier: 4964	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 5628 resumed a thread in remote process 4964
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x0000028c suspend_count: 1 process_identifier: 4964	1	0	0

Executed a process and injected code into it, probably while unpacking (24 events)

Time & API	Arguments	Status	Return
NtResumeThread May 26, 2021, 5:45 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 5628	1	0
NtResumeThread May 26, 2021, 5:45 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 5628	1	0
NtResumeThread May 26, 2021, 5:45 p.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 5628	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x00000258 suspend_count: 1 process_identifier: 5628	1	0
NtGetContextThread May 26, 2021, 5:46 p.m.	thread_handle: 0x000000e0	1	0
NtGetContextThread May 26, 2021, 5:46 p.m.	thread_handle: 0x000000e0	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x000000e0 suspend_count: 1 process_identifier: 5628	1	0
CreateProcessInternalW May 26, 2021, 5:46 p.m.	thread_identifier: 1756 thread_handle: 0x0000028c process_identifier: 4964 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\vbc.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\vbc.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000294	1	1
NtGetContextThread May 26, 2021, 5:46 p.m.	thread_handle: 0x0000028c	1	0
NtAllocateVirtualMemory May 26, 2021, 5:46 p.m.	process_identifier: 4964 region_size: 245760 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: 0x00000294	1	0
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELmª`àXv @ À@4vW H.textV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 4964 process_handle: 0x00000294	1	1
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: base_address: 0x00402000 process_identifier: 4964 process_handle: 0x00000294	1	1
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ìStringFileInfoÈ000004b0,FileDescription 0FileVersion0.0.0.0\InternalNameJXRsApCFgOIPRvMvtWyWbNCN.exe(LegalCopyright dOriginalFilenameJXRsApCFgOIPRvMvtWyWbNCN.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 4964 process_handle: 0x00000294	1	1
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 4964 process_handle: 0x00000294	1	1
WriteProcessMemory May 26, 2021, 5:46 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 4964 process_handle: 0x00000294	1	1
NtSetContextThread May 26, 2021, 5:46 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421262 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000028c process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x0000028c suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x000001c4 suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x0000031c suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x0000033c suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x000003a4 suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread May 26, 2021, 5:46 p.m.	thread_handle: 0x0000041c suspend_count: 1 process_identifier: 4964	1	0

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