Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	July 29, 2021, 10:44 a.m.	July 29, 2021, 10:46 a.m.

Size	737.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`e9f578801e3b556fd931a599d38c58db`
SHA256	`0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba`
CRC32	`774A7E45`
ssdeep	`12288:Z/IUyDfk1kEhszg9NLHMMtTTYGK5yhZd+oMDIIZKRsXjnjWV7mo5oFCEkvG:BIUyDf6vSzQvYGfb9X7mo5oFCEkv`
Yara	IsPE32 - (no description) Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
1116

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

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent July 29, 2021, 10:44 a.m.			0	0
IsDebuggerPresent July 29, 2021, 10:44 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 July 29, 2021, 10:44 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ July 29, 2021, 10:44 a.m.	stacktrace: CopyPDBs+0x1b552 DllCanUnloadNowInternal-0x25a85 clr+0x1b1194 @ 0x728f1194 LogHelp_TerminateOnAssert+0x14061 GetPrivateContextsPerfCounters-0x53e1 clr+0x82ba1 @ 0x727c2ba1 mscorlib+0x2f45b0 @ 0x6ff345b0 mscorlib+0x2f46fc @ 0x6ff346fc mscorlib+0x2f4688 @ 0x6ff34688 0x7463ba 0x744a36 0x740b1d DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72742652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7275264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72752e95 CoUninitializeEE+0x789b CreateAssemblyNameObject-0x63ba clr+0x270df @ 0x727670df LogHelp_TerminateOnAssert+0x55ee GetPrivateContextsPerfCounters-0x13e54 clr+0x7412e @ 0x727b412e mscorlib+0x2f1c22 @ 0x6ff31c22 mscorlib+0x2f1b99 @ 0x6ff31b99 mscorlib+0x30e9a6 @ 0x6ff4e9a6 0x74080c 0x7405a1 0x7404b5 microsoft+0x129ed1 @ 0x72539ed1 microsoft+0x12ad86 @ 0x7253ad86 microsoft+0x12b191 @ 0x7253b191 0x74045f 0x7400e5 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72742652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7275264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72752e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x728074ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72807610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72891dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72891e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72891f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x7289416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7376f5a3 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: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727 exception.instruction: leave exception.module: KERNELBASE.dll exception.exception_code: 0xe0434f4e exception.offset: 46887 exception.address: 0x76a7b727 registers.esp: 3531460 registers.edi: 0 registers.eax: 3531460 registers.ebp: 3531540 registers.edx: 0 registers.ebx: 7986512 registers.esi: 7891104 registers.ecx: 1937851203	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

July 29, 2021, 10:44 a.m.

stacktrace:

CopyPDBs+0x1b552 DllCanUnloadNowInternal-0x25a85 clr+0x1b1194 @ 0x728f1194
LogHelp_TerminateOnAssert+0x14061 GetPrivateContextsPerfCounters-0x53e1 clr+0x82ba1 @ 0x727c2ba1
mscorlib+0x2f45b0 @ 0x6ff345b0
mscorlib+0x2f46fc @ 0x6ff346fc
mscorlib+0x2f4688 @ 0x6ff34688
0x7463ba
0x744a36
0x740b1d
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72742652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7275264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72752e95
CoUninitializeEE+0x789b CreateAssemblyNameObject-0x63ba clr+0x270df @ 0x727670df
LogHelp_TerminateOnAssert+0x55ee GetPrivateContextsPerfCounters-0x13e54 clr+0x7412e @ 0x727b412e
mscorlib+0x2f1c22 @ 0x6ff31c22
mscorlib+0x2f1b99 @ 0x6ff31b99
mscorlib+0x30e9a6 @ 0x6ff4e9a6
0x74080c
0x7405a1
0x7404b5
microsoft+0x129ed1 @ 0x72539ed1
microsoft+0x12ad86 @ 0x7253ad86
microsoft+0x12b191 @ 0x7253b191
0x74045f
0x7400e5
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x72742652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x7275264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x72752e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x728074ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72807610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x72891dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x72891e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x72891f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x7289416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7376f5a3
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: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0xe0434f4e
exception.offset: 46887
exception.address: 0x76a7b727
registers.esp: 3531460
registers.edi: 0
registers.eax: 3531460
registers.ebp: 3531540
registers.edx: 0
registers.ebx: 7986512
registers.esi: 7891104
registers.ecx: 1937851203

Allocates read-write-execute memory (usually to unpack itself) (27 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00360000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00390000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtProtectVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 1310720 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b80000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c80000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003e2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003fc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00740000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00415000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0041b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00417000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ea000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0040a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00407000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003fa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 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
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 16384 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00741000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00745000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00406000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72032000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:44 a.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00746000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x000b7a00', u'virtual_address': u'0x00002000', u'entropy': 7.027436630660439, u'name': u'.text', u'virtual_size': u'0x000b7924'}

entropy

7.02743663066

description

A section with a high entropy has been found

entropy

0.997284453496

description

Overall entropy of this PE file is high

File has been identified by 24 AntiVirus engines on VirusTotal as malicious (24 events)

Elastic	malicious (high confidence)
Sangfor	Trojan.Win32.Save.a
Cybereason	malicious.3ea565
Cyren	W32/MSIL_Kryptik.DZG.gen!Eldorado
Symantec	Scr.Malcode!gdn30
ESET-NOD32	a variant of MSIL/GenKryptik.FIAW
APEX	Malicious
Paloalto	generic.ml
Kaspersky	HEUR:Trojan-Spy.MSIL.Noon.gen
Avast	Win32:MalwareX-gen [Trj]
Sophos	ML/PE-A
McAfee-GW-Edition	BehavesLike.Win32.Fareit.bc
FireEye	Generic.mg.e9f578801e3b556f
SentinelOne	Static AI - Suspicious PE
Microsoft	Trojan:Win32/AgentTesla!ml
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win.MSILKrypt.R434502
McAfee	PWS-FCUC!E9F578801E3B
TrendMicro-HouseCall	TROJ_GEN.R06CH0CGS21
Fortinet	MSIL/Agent.GIQ!tr
BitDefenderTheta	Gen:NN.ZemsilF.34050.Um0@aW0xBqj
AVG	Win32:MalwareX-gen [Trj]
CrowdStrike	win/malicious_confidence_80% (D)
MaxSecure	Trojan.Malware.300983.susgen

vbc.exe

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