Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	June 16, 2021, 4:04 p.m.	June 16, 2021, 4:06 p.m.

Size	1.1MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`6513d47ea7ab8052f1978201609b2365`
SHA256	`d8b9dcba100ba71ac70d7be125f4126f17ac48b1685e3e6cbf26d005dbf0eaa4`
CRC32	`497A25E9`
ssdeep	`12288:e5qltszvquwaHpMQA4quBZ9Q8ohjOTdL/LSGPBcgstGHjpgf17wdRgcMOS:ZwquPHpMQVqSO7wL/LSGPBwUC1cTgc`
PDB Path	RSAOAEPKeyExchangeFormatter.pdb
Yara	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"
2216
- vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
  872

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 June 16, 2021, 4:06 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW June 16, 2021, 4:06 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW June 16, 2021, 4:06 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW June 16, 2021, 4:06 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 16, 2021, 4:04 p.m.			0	0
IsDebuggerPresent June 16, 2021, 4:04 p.m.			0	0
IsDebuggerPresent June 16, 2021, 4:06 p.m.			0	0
IsDebuggerPresent June 16, 2021, 4:06 p.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey June 16, 2021, 4:05 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x006a7ce0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey June 16, 2021, 4:05 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x006a7ae0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey June 16, 2021, 4:05 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x006a7ae0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

This executable has a PDB path (1 event)

pdb_path

RSAOAEPKeyExchangeFormatter.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 June 16, 2021, 4:04 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ June 16, 2021, 4:06 p.m.	stacktrace: 0x541798 0x540fc3 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 8b d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x541c0b registers.esp: 3535648 registers.edi: 3535672 registers.eax: 0 registers.ebp: 3535684 registers.edx: 195 registers.ebx: 3535940 registers.esi: 43136664 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

June 16, 2021, 4:06 p.m.

stacktrace:

0x541798
0x540fc3
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 8b d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x541c0b
registers.esp: 3535648
registers.edi: 3535672
registers.eax: 0
registers.ebp: 3535684
registers.edx: 195
registers.ebx: 3535940
registers.esi: 43136664
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 112 events)

Time & API	Arguments	Status	Return
NtAllocateVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 1114112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 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 June 16, 2021, 4:04 p.m.	process_identifier: 2216 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 June 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00540000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00640000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 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 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00641000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00486000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:04 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00642000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00643000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6dde2000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 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 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00649000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0064a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0064b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0064c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0064d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0064e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0064f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x050e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x050e1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04b60178 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04b601a0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04b601c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04be3d8e process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04be3d82 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 72 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04b60208 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04bbd580 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04bbd5a4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04bbd5ac process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04bbd5b0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04bbd5b8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04bbd5bc process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 2216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04bbd5c0 process_handle: 0xffffffff		3221225550

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

section

{u'size_of_data': u'0x000cf400', u'virtual_address': u'0x00002000', u'entropy': 7.668726774316543, u'name': u'.text', u'virtual_size': u'0x000cf364'}

entropy

7.66872677432

description

A section with a high entropy has been found

entropy

0.739848282017

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 16, 2021, 4:06 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

One or more of the buffers contains an embedded PE file (1 event)

buffer

Buffer with sha1: 39f77c9da429a1b81570e39f2bf0080dfc1025dd

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 872 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: 0x000002a0	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation June 16, 2021, 4:06 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 16, 2021, 4:05 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELÍlÉ`àXv @ À@¼uO8 H.textV X `.rsrc8Z@@.reloc `@B base_address: 0x00400000 process_identifier: 872 process_handle: 0x000002a0	1	1
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: 8Ph ¤Hê¤4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoà000004b0,FileDescription 0FileVersion0.0.0.0h$InternalNameICJWDFXPlToRdDAuqpJwxAScSyVHcjT.exe(LegalCopyright p$OriginalFilenameICJWDFXPlToRdDAuqpJwxAScSyVHcjT.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: 872 process_handle: 0x000002a0	1	1
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 872 process_handle: 0x000002a0	1	1
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 872 process_handle: 0x000002a0	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 16, 2021, 4:05 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELÍlÉ`àXv @ À@¼uO8 H.textV X `.rsrc8Z@@.reloc `@B base_address: 0x00400000 process_identifier: 872 process_handle: 0x000002a0	1	1	0

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

BitDefenderTheta	Gen:NN.ZemsilF.34738.gn0@aSIK4Zi
Cyren	W32/MSIL_Troj.BBZ.gen!Eldorado
Symantec	Scr.Malcode!gdn30
ESET-NOD32	a variant of MSIL/Kryptik.ABMV
APEX	Malicious
Paloalto	generic.ml
Cynet	Malicious (score: 100)
Kaspersky	UDS:DangerousObject.Multi.Generic
Ikarus	Trojan.MSIL.Crypt
Microsoft	Trojan:Win32/AgentTesla!ml
AhnLab-V3	Trojan/Win.Generic.R423944
SentinelOne	Static AI - Suspicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Wacatac.B!tr

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 2216 called NtSetContextThread to modify thread in remote process 872
NtSetContextThread June 16, 2021, 4:05 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421134 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000029c process_identifier: 872	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 2216 resumed a thread in remote process 872
NtResumeThread June 16, 2021, 4:05 p.m.	thread_handle: 0x0000029c suspend_count: 1 process_identifier: 872	1	0	0

Executed a process and injected code into it, probably while unpacking (21 events)

Time & API	Arguments	Status	Return
NtResumeThread June 16, 2021, 4:04 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2216	1	0
NtResumeThread June 16, 2021, 4:04 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2216	1	0
NtResumeThread June 16, 2021, 4:04 p.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 2216	1	0
NtResumeThread June 16, 2021, 4:05 p.m.	thread_handle: 0x00000250 suspend_count: 1 process_identifier: 2216	1	0
CreateProcessInternalW June 16, 2021, 4:05 p.m.	thread_identifier: 2080 thread_handle: 0x0000029c process_identifier: 872 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: 0x000002a0	1	1
NtGetContextThread June 16, 2021, 4:05 p.m.	thread_handle: 0x0000029c	1	0
NtAllocateVirtualMemory June 16, 2021, 4:05 p.m.	process_identifier: 872 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: 0x000002a0	1	0
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PELÍlÉ`àXv @ À@¼uO8 H.textV X `.rsrc8Z@@.reloc `@B base_address: 0x00400000 process_identifier: 872 process_handle: 0x000002a0	1	1
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: base_address: 0x00402000 process_identifier: 872 process_handle: 0x000002a0	1	1
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: 8Ph ¤Hê¤4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoà000004b0,FileDescription 0FileVersion0.0.0.0h$InternalNameICJWDFXPlToRdDAuqpJwxAScSyVHcjT.exe(LegalCopyright p$OriginalFilenameICJWDFXPlToRdDAuqpJwxAScSyVHcjT.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: 872 process_handle: 0x000002a0	1	1
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: p6 base_address: 0x0043a000 process_identifier: 872 process_handle: 0x000002a0	1	1
WriteProcessMemory June 16, 2021, 4:05 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 872 process_handle: 0x000002a0	1	1
NtSetContextThread June 16, 2021, 4:05 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421134 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000029c process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:05 p.m.	thread_handle: 0x0000029c suspend_count: 1 process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:06 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:06 p.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:06 p.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:06 p.m.	thread_handle: 0x00000314 suspend_count: 1 process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:06 p.m.	thread_handle: 0x00000334 suspend_count: 1 process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:06 p.m.	thread_handle: 0x00000398 suspend_count: 1 process_identifier: 872	1	0
NtResumeThread June 16, 2021, 4:06 p.m.	thread_handle: 0x00000410 suspend_count: 1 process_identifier: 872	1	0

vbc.exe

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