Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	April 13, 2021, 9:03 a.m.	April 13, 2021, 9:05 a.m.

Size	790.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`48421b088e267cfe8bcecfd5adfdf477`
SHA256	`c27e918d2f4e1abc2ac1277dacf6831a611c214268c1b9773c27d7e3fff2c639`
CRC32	`D5BA6E00`
ssdeep	`24576:aVucGOIPsToBl9V2AIo5CQi9cxDrSGyNWYTs:XcGOVTClT2AIowMrN0W`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT screenshot - Take screenshot Win32_Trojan_PWS_Azorult_Net_1_Zero - Win32 Trojan PWS .NET Azorult PE_Header_Zero - PE File Signature Zero IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check

vbn.exe "C:\Users\test22\AppData\Local\Temp\vbn.exe"
1016
- vbn.exe "C:\Users\test22\AppData\Local\Temp\vbn.exe"
  604

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW April 13, 2021, 9:05 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 13, 2021, 9:05 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 13, 2021, 9:05 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW April 13, 2021, 9:05 a.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (5 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent April 13, 2021, 9:03 a.m.			0	0
IsDebuggerPresent April 13, 2021, 9:03 a.m.			0	0
IsDebuggerPresent April 13, 2021, 9:05 a.m.			0	0
IsDebuggerPresent April 13, 2021, 9:05 a.m.			0	0
IsDebuggerPresent April 13, 2021, 9:05 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey April 13, 2021, 9:03 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00656380 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey April 13, 2021, 9:03 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00656d00 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey April 13, 2021, 9:03 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00656d00 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

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 April 13, 2021, 9:03 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ April 13, 2021, 9:05 a.m.	stacktrace: 0x771790 0x770fbb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3 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 93 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x771c03 registers.esp: 3402864 registers.edi: 3402888 registers.eax: 0 registers.ebp: 3402900 registers.edx: 195 registers.ebx: 3403148 registers.esi: 39926964 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

April 13, 2021, 9:05 a.m.

stacktrace:

0x771790
0x770fbb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3
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 93 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x771c03
registers.esp: 3402864
registers.edi: 3402888
registers.eax: 0
registers.ebp: 3402900
registers.edx: 195
registers.ebx: 3403148
registers.esi: 39926964
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 111 events)

Time & API	Arguments	Status	Return
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 2097152 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a90000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72741000 process_handle: 0xffffffff	1	0
NtProtectVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72742000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c90000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00e00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00292000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003db000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00530000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0029a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ca000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 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 April 13, 2021, 9:03 a.m.	process_identifier: 1016 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 April 13, 2021, 9:03 a.m.	process_identifier: 1016 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 April 13, 2021, 9:03 a.m.	process_identifier: 1016 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 April 13, 2021, 9:03 a.m.	process_identifier: 1016 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 April 13, 2021, 9:03 a.m.	process_identifier: 1016 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 April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00531000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6e072000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00532000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:03 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0029c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00533000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00534000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00535000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 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 April 13, 2021, 9:05 a.m.	process_identifier: 1016 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 April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00538000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00539000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 8192 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 April 13, 2021, 9:05 a.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052e0178 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052e01a0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052e01c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05382c3e process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05382c32 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 72 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052e0208 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0535d398 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0535d3bc process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0535d3c4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0535d3c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0535d3d0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0535d3d4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0535d3d8 process_handle: 0xffffffff		3221225550

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

section

{u'size_of_data': u'0x000b3a00', u'virtual_address': u'0x00002000', u'entropy': 7.895814339441822, u'name': u'.text', u'virtual_size': u'0x000b390c'}

entropy

7.89581433944

description

A section with a high entropy has been found

entropy

0.909493670886

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (2 events)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW April 13, 2021, 9:05 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0
LookupPrivilegeValueW April 13, 2021, 9:05 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (12 events)

description	Listen for incoming communication	rule	network_tcp_listen
description	Communications smtp	rule	network_smtp_dotNet
description	Take screenshot	rule	screenshot
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

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 604 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: 0x000002e4	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation April 13, 2021, 9:05 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

vbn.exe tried to sleep 5456441 seconds, actually delayed analysis time by 5456441 seconds

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

Time & API	Arguments	Status	Return
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELo/`àXNv @ À@øuS@ H.textTV X `.rsrc@Z@@.reloc `@B base_address: 0x00400000 process_identifier: 604 process_handle: 0x000002e4	1	1
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: 8Ph ¬Pê¬4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoè000004b0,FileDescription 0FileVersion0.0.0.0l%InternalNamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.exe(LegalCopyright t%OriginalFilenamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.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: 604 process_handle: 0x000002e4	1	1
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: pP6 base_address: 0x0043a000 process_identifier: 604 process_handle: 0x000002e4	1	1
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 604 process_handle: 0x000002e4	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 April 13, 2021, 9:05 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELo/`àXNv @ À@øuS@ H.textTV X `.rsrc@Z@@.reloc `@B base_address: 0x00400000 process_identifier: 604 process_handle: 0x000002e4	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 1016 called NtSetContextThread to modify thread in remote process 604
NtSetContextThread April 13, 2021, 9:05 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421198 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000002e0 process_identifier: 604	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 1016 resumed a thread in remote process 604
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x000002e0 suspend_count: 1 process_identifier: 604	1	0	0

File has been identified by 28 AntiVirus engines on VirusTotal as malicious (28 events)

Elastic	malicious (high confidence)
Cylance	Unsafe
K7GW	Riskware ( 0040eff71 )
Cybereason	malicious.b56de6
Cyren	W32/MSIL_Kryptik.DVQ.gen!Eldorado
Symantec	Trojan.Gen.2
ESET-NOD32	a variant of MSIL/Kryptik.AAKC
APEX	Malicious
Paloalto	generic.ml
Kaspersky	UDS:DangerousObject.Multi.Generic
Avast	FileRepMetagen [Malware]
McAfee-GW-Edition	BehavesLike.Win32.Generic.bc
Sophos	Generic PUA HJ (PUA)
eGambit	Unsafe.AI_Score_55%
Kingsoft	Win32.Troj.Generic_a.a.(kcloud)
Microsoft	Trojan:Win32/AgentTesla!ml
AegisLab	Trojan.Multi.Generic.4!c
ZoneAlarm	UDS:DangerousObject.Multi.Generic
GData	MSIL.Trojan-Stealer.AgentTesla.UPO89X
Cynet	Malicious (score: 100)
McAfee	Artemis!48421B088E26
Rising	Trojan.Kryptik!8.8 (CLOUD)
Ikarus	Win32.Outbreak
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.AAJS!tr
Webroot	W32.Trojan.Gen
AVG	FileRepMetagen [Malware]
CrowdStrike	win/malicious_confidence_60% (W)

Executed a process and injected code into it, probably while unpacking (23 events)

Time & API	Arguments	Status	Return
NtResumeThread April 13, 2021, 9:03 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread April 13, 2021, 9:03 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread April 13, 2021, 9:03 a.m.	thread_handle: 0x00000190 suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x0000025c suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x000002b4 suspend_count: 1 process_identifier: 1016	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x000002c8 suspend_count: 1 process_identifier: 1016	1	0
CreateProcessInternalW April 13, 2021, 9:05 a.m.	thread_identifier: 240 thread_handle: 0x000002e0 process_identifier: 604 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\vbn.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\vbn.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000002e4	1	1
NtGetContextThread April 13, 2021, 9:05 a.m.	thread_handle: 0x000002e0	1	0
NtAllocateVirtualMemory April 13, 2021, 9:05 a.m.	process_identifier: 604 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: 0x000002e4	1	0
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELo/`àXNv @ À@øuS@ H.textTV X `.rsrc@Z@@.reloc `@B base_address: 0x00400000 process_identifier: 604 process_handle: 0x000002e4	1	1
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: base_address: 0x00402000 process_identifier: 604 process_handle: 0x000002e4	1	1
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: 8Ph ¬Pê¬4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoè000004b0,FileDescription 0FileVersion0.0.0.0l%InternalNamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.exe(LegalCopyright t%OriginalFilenamehQvsQaZWVYmEHMpPXvhUVPdLuVPBzcvQ.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: 604 process_handle: 0x000002e4	1	1
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: pP6 base_address: 0x0043a000 process_identifier: 604 process_handle: 0x000002e4	1	1
WriteProcessMemory April 13, 2021, 9:05 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 604 process_handle: 0x000002e4	1	1
NtSetContextThread April 13, 2021, 9:05 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421198 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000002e0 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x000002e0 suspend_count: 1 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x0000031c suspend_count: 1 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x0000033c suspend_count: 1 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 604	1	0
NtResumeThread April 13, 2021, 9:05 a.m.	thread_handle: 0x00000418 suspend_count: 1 process_identifier: 604	1	0

vbn.exe

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