Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	June 15, 2021, 10:15 p.m.	June 15, 2021, 10:22 p.m.

Size	1.0MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`bd75edbd6e80ceb4ebf356cda78263f1`
SHA256	`eb9a0a7dfdb07e81595ece5734b939b8a77c54eddbb58655a4f0456209606edd`
CRC32	`29B09700`
ssdeep	`12288:dsvHego49VCZ6vi/cNm/vx4Qh92OqYSox+bQJHTwWi5tRU9OtxXjeuOPCyesj+QX:Y1kcwO6YP9FQJzwWyU92eDIAW1`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals Is_DotNET_EXE - (no description) IsPE32 - (no description) Malicious_Library_Zero - Malicious_Library

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
6240
- vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
  4964

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
1.14.61.188	Active	Moloch
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 June 15, 2021, 10:17 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW June 15, 2021, 10:17 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW June 15, 2021, 10:17 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW June 15, 2021, 10:17 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 June 15, 2021, 10:15 p.m.			0	0
IsDebuggerPresent June 15, 2021, 10:15 p.m.			0	0
IsDebuggerPresent June 15, 2021, 10:17 p.m.			0	0
IsDebuggerPresent June 15, 2021, 10:17 p.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey June 15, 2021, 10:17 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x004f44f0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey June 15, 2021, 10:17 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x004f40b0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey June 15, 2021, 10:17 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x004f40b0 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 June 15, 2021, 10:15 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ June 15, 2021, 10:17 p.m.	stacktrace: 0x7817d0 0x780ffb 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: 0x781c43 registers.esp: 3863568 registers.edi: 3863592 registers.eax: 0 registers.ebp: 3863604 registers.edx: 195 registers.ebx: 3863860 registers.esi: 39024308 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

June 15, 2021, 10:17 p.m.

stacktrace:

0x7817d0
0x780ffb
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: 0x781c43
registers.esp: 3863568
registers.edi: 3863592
registers.eax: 0
registers.ebp: 3863604
registers.edx: 195
registers.ebx: 3863860
registers.esi: 39024308
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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 1376256 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 1048576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005c0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00680000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00462000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0047c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00970000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00495000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00497000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00487000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0047a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00971000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00972000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory June 15, 2021, 10:15 p.m.	process_identifier: 6240 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 June 15, 2021, 10:15 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00973000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00974000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0097a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0047d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0097b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0097c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0097d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0097e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0097f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04940000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 region_size: 12288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04941000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05250178 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052501a0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052501c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052c31ee process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052c31e2 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 72 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05250208 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529ca68 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529ca8c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529ca94 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529ca98 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529caa0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529caa4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529caa8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 15, 2021, 10:17 p.m.	process_identifier: 6240 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0529caac process_handle: 0xffffffff		3221225550

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

section

{u'size_of_data': u'0x000c6c00', u'virtual_address': u'0x00002000', u'entropy': 7.628730383327916, u'name': u'.text', u'virtual_size': u'0x000c6bd4'}

entropy

7.62873038333

description

A section with a high entropy has been found

entropy

0.767374517375

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 June 15, 2021, 10:17 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 (2 events)

host	1.14.61.188
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 June 15, 2021, 10:17 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: 0x000002b0	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation June 15, 2021, 10:17 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 5456442 seconds, actually delayed analysis time by 5456442 seconds

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

Time & API	Arguments	Status	Return
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELmª`àXv @ À@4vW H.textV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 4964 process_handle: 0x000002b0	1	1
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$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: 0x000002b0	1	1
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 4964 process_handle: 0x000002b0	1	1
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 4964 process_handle: 0x000002b0	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 June 15, 2021, 10:17 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: 0x000002b0	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 6240 called NtSetContextThread to modify thread in remote process 4964
NtSetContextThread June 15, 2021, 10:17 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: 0x000002ac 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 6240 resumed a thread in remote process 4964
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x000002ac suspend_count: 1 process_identifier: 4964	1	0	0

File has been identified by 21 AntiVirus engines on VirusTotal as malicious (21 events)

Elastic	malicious (high confidence)
CAT-QuickHeal	Trojan.YakbeexMSIL.ZZ4
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_60% (D)
Cyren	W32/MSIL_Troj.BBO.gen!Eldorado
Symantec	Trojan.Gen.2
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	HEUR:Trojan-Spy.MSIL.AveMaria.gen
Avast	Win32:PWSX-gen [Trj]
McAfee-GW-Edition	Artemis!Trojan
FireEye	Generic.mg.bd75edbd6e80ceb4
AegisLab	Trojan.MSIL.AveMaria.l!c
ZoneAlarm	HEUR:Trojan-Spy.MSIL.AveMaria.gen
Microsoft	Trojan:Win32/AgentTesla!ml
McAfee	Artemis!BD75EDBD6E80
VBA32	CIL.HeapOverride.Heur
SentinelOne	Static AI - Malicious PE
BitDefenderTheta	Gen:NN.ZemsilF.34738.an0@aqFc86b
AVG	Win32:PWSX-gen [Trj]
MaxSecure	Trojan.Malware.300983.susgen

Executed a process and injected code into it, probably while unpacking (22 events)

Time & API	Arguments	Status	Return
NtResumeThread June 15, 2021, 10:15 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 6240	1	0
NtResumeThread June 15, 2021, 10:15 p.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 6240	1	0
NtResumeThread June 15, 2021, 10:15 p.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 6240	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x00000260 suspend_count: 1 process_identifier: 6240	1	0
CreateProcessInternalW June 15, 2021, 10:17 p.m.	thread_identifier: 1756 thread_handle: 0x000002ac 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: 0x000002b0	1	1
NtGetContextThread June 15, 2021, 10:17 p.m.	thread_handle: 0x000002ac	1	0
NtAllocateVirtualMemory June 15, 2021, 10:17 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: 0x000002b0	1	0
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELmª`àXv @ À@4vW H.textV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 4964 process_handle: 0x000002b0	1	1
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: base_address: 0x00402000 process_identifier: 4964 process_handle: 0x000002b0	1	1
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$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: 0x000002b0	1	1
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 4964 process_handle: 0x000002b0	1	1
WriteProcessMemory June 15, 2021, 10:17 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 4964 process_handle: 0x000002b0	1	1
NtSetContextThread June 15, 2021, 10:17 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: 0x000002ac process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x000002ac suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x000002c4 suspend_count: 1 process_identifier: 6240	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x000001bc suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x00000318 suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x00000338 suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 4964	1	0
NtResumeThread June 15, 2021, 10:17 p.m.	thread_handle: 0x00000418 suspend_count: 1 process_identifier: 4964	1	0

vbc.exe

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