Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Nov. 2, 2021, 11:35 a.m.	Nov. 2, 2021, 11:38 a.m.

Size	913.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`6536dd2dcc6e7e59e74988d69c565aab`
SHA256	`59e1407660949823819291970d55cf7a0ae46e7f91a3dae93faa80faf8a0058a`
CRC32	`A20C8D09`
ssdeep	`12288:8zcp/wQqJTm4rT13HLTLSd5ix7txMlpO5tl/qAPc3sVXmTrnuQpvMUnElvJ2rE89:xp/wQqJ7IVBwQ8Efh`
Yara	Admin_Tool_IN_Zero - Admin Tool Sysinternals PE_Header_Zero - PE File Signature Generic_Malware_Zero - Generic Malware IsPE32 - (no description) Is_DotNET_EXE - (no description) Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2764

Name	Response	Post-Analysis Lookup
apps.identrust.com	A 182.162.106.17 CNAME a1952.dscq.akamai.net A 182.162.106.104 CNAME identrust.edgesuite.net	119.207.65.9
textbin.net	A 51.79.99.124	51.79.99.124

IP Address	Status	Action
164.124.101.2	Active	Moloch
182.162.106.104	Active	Moloch
51.79.99.124	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.101:49161 -> 51.79.99.124:443	906200022	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined

Suricata TLS

Flow	Issuer	Subject	Fingerprint
TLS 1.2 192.168.56.101:49161 51.79.99.124:443	C=US, O=Let's Encrypt, CN=R3	CN=textbin.net	0d:8d:c7:3f:4b:16:2c:87:9d:42:75:3a:c3:f0:3e:46:f6:b0:36:b7

Checks if process is being debugged by a debugger (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Nov. 2, 2021, 11:35 a.m.			0	0
IsDebuggerPresent Nov. 2, 2021, 11:35 a.m.			0	0

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 Nov. 2, 2021, 11:35 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Nov. 2, 2021, 11:35 a.m.	stacktrace: 0x72055e DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72e32652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72e4264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72e42e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72ef74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72ef7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72f81dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72f81e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72f81f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x72f8416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7488f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74907f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74904de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77679ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77679ea5 exception.instruction_r: 39 09 e8 a5 81 a3 71 89 85 6c ff ff ff 8b 45 98 exception.instruction: cmp dword ptr [ecx], ecx exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x720814 registers.esp: 1765628 registers.edi: 1765912 registers.eax: 39357496 registers.ebp: 1765924 registers.edx: 39357496 registers.ebx: 1766292 registers.esi: 0 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Nov. 2, 2021, 11:35 a.m.

stacktrace:

0x72055e
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72e32652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x72e4264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72e42e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x72ef74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72ef7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72f81dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72f81e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72f81f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x72f8416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7488f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x74907f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x74904de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x77679ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x77679ea5

exception.instruction_r: 39 09 e8 a5 81 a3 71 89 85 6c ff ff ff 8b 45 98
exception.instruction: cmp dword ptr [ecx], ecx
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x720814
registers.esp: 1765628
registers.edi: 1765912
registers.eax: 39357496
registers.ebp: 1765924
registers.edx: 39357496
registers.ebx: 1766292
registers.esi: 0
registers.ecx: 0

Performs some HTTP requests (1 event)

request

GET http://apps.identrust.com/roots/dstrootcax3.p7c

Allocates read-write-execute memory (usually to unpack itself) (21 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 1703936 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00820000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72e31000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72e32000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 1114112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00790000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00562000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00595000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0059b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00597000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00720000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 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 Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0058a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00587000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00586000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0058b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 2, 2021, 11:35 a.m.	process_identifier: 2764 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

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

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses Nov. 2, 2021, 11:35 a.m.	flags: 15 family: 0		111	0

File has been identified by 19 AntiVirus engines on VirusTotal as malicious (19 events)

Elastic	malicious (high confidence)
DrWeb	Trojan.Packed2.43620
McAfee	GenericRXPX-SR!6536DD2DCC6E
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
Cyren	W32/MSIL_Kryptik.FZY.gen!Eldorado
Symantec	Packed.Generic.619
ESET-NOD32	a variant of MSIL/Kryptik_AGen.DS
APEX	Malicious
Kaspersky	UDS:DangerousObject.Multi.Generic
McAfee-GW-Edition	GenericRXPX-SR!6536DD2DCC6E
Ikarus	Trojan.MSIL.Crypt
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
Cynet	Malicious (score: 100)
VBA32	Malware-Cryptor.MSIL.AgentTesla.Heur
Malwarebytes	Trojan.MZCrypt.MSIL.Generic
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
CrowdStrike	win/malicious_confidence_90% (W)

vbc.exe

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