Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	March 23, 2023, 1:02 p.m.	March 23, 2023, 1:22 p.m.

Size	910.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`047f4584d2662d20bbb4c7b48cb1523a`
SHA256	`afea34e46effbcdb07cb6d420111311cbcd0038b5e1c5c8329201675cb59de34`
CRC32	`0037D587`
ssdeep	`12288:+c1JUg6hjirFS3POkppesgwJ3TTSqYO++cofCBJ4w5SJYFCNfuXSOX7xzl06/Tgc:VxS/bpUHwJ3iqYO67nJFulO1l06MF`
PDB Path	KGY.pdb
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Is_DotNET_EXE - (no description) hide_executable_file - Hide executable file Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT IsPE32 - (no description) PE_Header_Zero - PE File Signature

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
1504
- vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
  2692

Name	Response	Post-Analysis Lookup
api.ipify.org	A 64.185.227.155 CNAME api4.ipify.org A 104.237.62.211 A 173.231.16.76	104.237.62.211

IP Address	Status	Action
164.124.101.2	Active	Moloch
64.185.227.155	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.103:49165 -> 64.185.227.155:443	906200022	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined

Suricata TLS

Flow	Issuer	Subject	Fingerprint
TLS 1.2 192.168.56.103:49165 64.185.227.155:443	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA	CN=*.ipify.org	f4:76:2d:2c:65:d1:15:be:19:a4:c5:e0:8d:eb:89:1a:b6:75:4a:54

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW March 23, 2023, 1:03 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 23, 2023, 1:03 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 23, 2023, 1:03 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 23, 2023, 1:03 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 March 23, 2023, 1:02 p.m.			0	0
IsDebuggerPresent March 23, 2023, 1:02 p.m.			0	0
IsDebuggerPresent March 23, 2023, 1:03 p.m.			0	0
IsDebuggerPresent March 23, 2023, 1:03 p.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey March 23, 2023, 1:03 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x00918bd0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 23, 2023, 1:03 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x00918bd0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 23, 2023, 1:03 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x00860710 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

This executable has a PDB path (1 event)

pdb_path

KGY.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 March 23, 2023, 1:02 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ March 23, 2023, 1:03 p.m.	stacktrace: 0x7f0974 0x7f08de 0x7f0681 0x7f0060 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72ee2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72ef264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72ef2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72fa74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72fa7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x73031dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x73031e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x73031f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x7303416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x745df5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74867f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74864de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x778d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x778d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc ff 15 1c exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x7f3c5d registers.esp: 6156104 registers.edi: 6156128 registers.eax: 0 registers.ebp: 6156140 registers.edx: 195 registers.ebx: 36708396 registers.esi: 36712356 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

March 23, 2023, 1:03 p.m.

stacktrace:

0x7f0974
0x7f08de
0x7f0681
0x7f0060
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72ee2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72ef264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72ef2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72fa74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72fa7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x73031dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x73031e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x73031f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x7303416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x745df5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74867f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74864de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x778d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x778d9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc ff 15 1c
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x7f3c5d
registers.esp: 6156104
registers.edi: 6156128
registers.eax: 0
registers.ebp: 6156140
registers.edx: 195
registers.ebx: 36708396
registers.esi: 36712356
registers.ecx: 0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Performs some HTTP requests (1 event)

request

GET https://api.ipify.org/

Allocates read-write-execute memory (usually to unpack itself) (50 out of 80 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 1572864 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007c0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00900000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73f31000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73f32000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 1638400 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02060000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x021b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00542000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00575000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00577000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0054a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00567000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:02 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00566000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04aff000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04af0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008ec000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008ed000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008ee000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05f20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05f21000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05f27000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 1504 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05f28000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 851968 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005e0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00670000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72ee1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72ee2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 1179648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00920000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00342000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003bb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0035c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0034a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003a7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003a6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 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

Steals private information from local Internet browsers (6 events)

file	C:\Users\test22\AppData\Local\Google\Chrome\User Data\Login Data
file	C:\Users\test22\AppData\Local\Google\Chrome\User Data
file	C:\Users\test22\AppData\Local\Google\Chrome\User Data\Default\Login Data
file	C:\Users\test22\AppData\Local\Chromium\User Data
file	C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data
file	C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data

Looks up the external IP address (1 event)

domain

api.ipify.org

Checks adapter addresses which can be used to detect virtual network interfaces (1 event)

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses March 23, 2023, 1:03 p.m.	flags: 15 family: 0		111	0

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

section

{u'size_of_data': u'0x000e3000', u'virtual_address': u'0x00002000', u'entropy': 7.6388752885538915, u'name': u'.text', u'virtual_size': u'0x000e2f68'}

entropy

7.63887528855

description

A section with a high entropy has been found

entropy

0.998350742166

description

Overall entropy of this PE file is high

Yara rule detected in process memory (11 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	Checks if being debugged	rule	anti_dbg
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 March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 196608 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: 0x00000248	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation March 23, 2023, 1:03 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

Installs itself for autorun at Windows startup (1 event)

reg_key

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\RMBJLaF

reg_value

C:\Users\test22\AppData\Roaming\RMBJLaF\RMBJLaF.exe

Harvests credentials from local FTP client softwares (5 events)

file	C:\Users\test22\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect
file	C:\Users\test22\AppData\Roaming\FTPGetter\servers.xml
file	C:\Users\test22\AppData\Roaming\FileZilla\recentservers.xml
registry	HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions
registry	HKEY_CURRENT_USER\SOFTWARE\FTPWare\COREFTP\Sites

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

Time & API	Arguments	Status	Return
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL]Tdà0ª @ @È©SÀFà H.text$ `.rsrcFÀ@@.relocà@B base_address: 0x00400000 process_identifier: 2692 process_handle: 0x00000248	1	1
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: P8h À¼\Ãê¼4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoø000004b0,FileDescription 0FileVersion1.0.0.0t)InternalNamea9325489-a56b-410c-a394-1005b99ba4fb.exe(LegalCopyright \|)OriginalFilenamea9325489-a56b-410c-a394-1005b99ba4fb.exe4ProductVersion1.0.0.08Assembly Version1.0.0.0ï»¿<?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: 0x0042c000 process_identifier: 2692 process_handle: 0x00000248	1	1
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: : base_address: 0x0042e000 process_identifier: 2692 process_handle: 0x00000248	1	1
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2692 process_handle: 0x00000248	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 March 23, 2023, 1:03 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL]Tdà0ª @ @È©SÀFà H.text$ `.rsrcFÀ@@.relocà@B base_address: 0x00400000 process_identifier: 2692 process_handle: 0x00000248	1	1	0

Harvests credentials from local email clients (6 events)

file	C:\Users\test22\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect
file	C:\Users\test22\AppData\Roaming\Thunderbird\profiles.ini
registry	HKEY_CURRENT_USER\Software\Microsoft\Windows Messaging Subsystem\Profiles\9375CFF0413111d3B88A00104B2A6676
registry	HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676\00000003
registry	HKEY_CURRENT_USER\Software\RimArts\B2\Settings
registry	HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676\00000001

Attempts to create or modify system certificates (1 event)

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F81F111D0E5AB58D396F7BF525577FD30FDC95AA\Blob

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 1504 called NtSetContextThread to modify thread in remote process 2692
NtSetContextThread March 23, 2023, 1:03 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4368926 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000244 process_identifier: 2692	1	0	0

Attempts to remove evidence of file being downloaded from the Internet (1 event)

file	C:\Users\test22\AppData\Roaming\RMBJLaF\RMBJLaF.exe:Zone.Identifier

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1504 resumed a thread in remote process 2692
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000244 suspend_count: 1 process_identifier: 2692	1	0	0

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

Time & API	Arguments	Status	Return
NtResumeThread March 23, 2023, 1:02 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1504	1	0
NtResumeThread March 23, 2023, 1:02 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 1504	1	0
NtResumeThread March 23, 2023, 1:02 p.m.	thread_handle: 0x0000019c suspend_count: 1 process_identifier: 1504	1	0
CreateProcessInternalW March 23, 2023, 1:03 p.m.	thread_identifier: 2696 thread_handle: 0x00000244 process_identifier: 2692 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: 0x00000248	1	1
NtGetContextThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000244	1	0
NtAllocateVirtualMemory March 23, 2023, 1:03 p.m.	process_identifier: 2692 region_size: 196608 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: 0x00000248	1	0
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL]Tdà0ª @ @È©SÀFà H.text$ `.rsrcFÀ@@.relocà@B base_address: 0x00400000 process_identifier: 2692 process_handle: 0x00000248	1	1
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: base_address: 0x00402000 process_identifier: 2692 process_handle: 0x00000248	1	1
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: P8h À¼\Ãê¼4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°StringFileInfoø000004b0,FileDescription 0FileVersion1.0.0.0t)InternalNamea9325489-a56b-410c-a394-1005b99ba4fb.exe(LegalCopyright \|)OriginalFilenamea9325489-a56b-410c-a394-1005b99ba4fb.exe4ProductVersion1.0.0.08Assembly Version1.0.0.0ï»¿<?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: 0x0042c000 process_identifier: 2692 process_handle: 0x00000248	1	1
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: : base_address: 0x0042e000 process_identifier: 2692 process_handle: 0x00000248	1	1
WriteProcessMemory March 23, 2023, 1:03 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2692 process_handle: 0x00000248	1	1
NtSetContextThread March 23, 2023, 1:03 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4368926 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000244 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000244 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x0000027c suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x000002e8 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000360 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000390 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x000004d0 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000710 suspend_count: 1 process_identifier: 2692	1	0
NtResumeThread March 23, 2023, 1:03 p.m.	thread_handle: 0x00000724 suspend_count: 1 process_identifier: 2692	1	0

File has been identified by 32 AntiVirus engines on VirusTotal as malicious (32 events)

Bkav	W32.AIDetectNet.01
Lionic	Trojan.Win32.Stealer.12!c
MicroWorld-eScan	Gen:Variant.Tedy.303850
FireEye	Gen:Variant.Tedy.303850
ALYac	Gen:Variant.Tedy.303850
VIPRE	Gen:Variant.Tedy.303850
CrowdStrike	win/malicious_confidence_90% (W)
Arcabit	Trojan.Tedy.D4A2EA
VirIT	Trojan.Win32.MSIL_Heur.A
Cyren	W32/MSIL_Kryptik.JCR.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Kryptik.AIKE
Cynet	Malicious (score: 100)
APEX	Malicious
Paloalto	generic.ml
Kaspersky	HEUR:Backdoor.MSIL.Androm.gen
BitDefender	Gen:Variant.Tedy.303850
Avast	PWSX-gen [Trj]
DrWeb	Trojan.Inject4.30942
McAfee-GW-Edition	BehavesLike.Win32.Generic.dc
Emsisoft	Gen:Variant.Tedy.303850 (B)
MAX	malware (ai score=82)
Microsoft	Trojan:MSIL/RemLoader!MTB
GData	Gen:Variant.Tedy.303850
Google	Detected
McAfee	Artemis!047F4584D266
TrendMicro-HouseCall	TROJ_GEN.R002H0CCM23
Rising	Malware.Obfus/MSIL@AI.86 (RDM.MSIL2:DQ26nFY3QMTo2PX2880S8g)
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/GenKryptik.GHWJ!tr
AVG	PWSX-gen [Trj]

vbc.exe

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